/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:33:22,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:33:22,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:33:22,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:33:22,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:33:22,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:33:22,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:33:22,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:33:22,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:33:22,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:33:22,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:33:22,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:33:22,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:33:22,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:33:22,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:33:22,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:33:22,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:33:22,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:33:22,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:33:22,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:33:22,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:33:22,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:33:22,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:33:22,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:33:22,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:33:22,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:33:22,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:33:22,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:33:22,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:33:22,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:33:22,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:33:22,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:33:22,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:33:22,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:33:22,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:33:22,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:33:22,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:33:22,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:33:22,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:33:22,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:33:22,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:33:22,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:33:22,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:33:22,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:33:22,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:33:22,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:33:22,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:33:22,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:33:22,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:33:22,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:33:22,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:33:22,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:33:22,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:33:22,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:33:22,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:33:22,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:22,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:33:22,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:33:22,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:33:22,602 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:33:22,602 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:33:22,602 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:33:22,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:33:22,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:33:22,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:33:22,603 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:33:22,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:33:22,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:33:22,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:33:22,804 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:33:22,804 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:33:22,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c [2022-01-10 06:33:22,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/777f0d7e6/faf9f749916b4cda8858d6aa60d9b6ff/FLAGeb3b5a642 [2022-01-10 06:33:23,243 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:33:23,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c [2022-01-10 06:33:23,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/777f0d7e6/faf9f749916b4cda8858d6aa60d9b6ff/FLAGeb3b5a642 [2022-01-10 06:33:23,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/777f0d7e6/faf9f749916b4cda8858d6aa60d9b6ff [2022-01-10 06:33:23,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:33:23,265 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:33:23,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:23,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:33:23,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:33:23,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668c0b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23, skipping insertion in model container [2022-01-10 06:33:23,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:33:23,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:23,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-01-10 06:33:23,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:23,579 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:33:23,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:23,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-01-10 06:33:23,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:23,635 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:33:23,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-01-10 06:33:23,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:23,685 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:33:23,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23 WrapperNode [2022-01-10 06:33:23,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:23,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:23,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:33:23,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:33:23,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,723 INFO L137 Inliner]: procedures = 60, calls = 159, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 266 [2022-01-10 06:33:23,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:23,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:33:23,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:33:23,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:33:23,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:33:23,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:33:23,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:33:23,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:33:23,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (1/1) ... [2022-01-10 06:33:23,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:23,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:33:23,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:33:23,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:33:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:33:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:33:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:33:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:33:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:33:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:33:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:33:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:33:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:33:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:33:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:33:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:33:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:33:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:33:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:33:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:33:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:33:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:33:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:33:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:33:23,881 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:33:23,883 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:33:24,170 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:33:24,175 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:33:24,175 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:33:24,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:24 BoogieIcfgContainer [2022-01-10 06:33:24,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:33:24,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:33:24,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:33:24,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:33:24,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:33:23" (1/3) ... [2022-01-10 06:33:24,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5398b940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:24, skipping insertion in model container [2022-01-10 06:33:24,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:23" (2/3) ... [2022-01-10 06:33:24,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5398b940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:24, skipping insertion in model container [2022-01-10 06:33:24,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:24" (3/3) ... [2022-01-10 06:33:24,187 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2022-01-10 06:33:24,191 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:33:24,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:33:24,236 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:33:24,242 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:33:24,242 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:33:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:33:24,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:33:24,273 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:24,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:24,274 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:24,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:24,278 INFO L85 PathProgramCache]: Analyzing trace with hash -13342285, now seen corresponding path program 1 times [2022-01-10 06:33:24,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:24,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646264888] [2022-01-10 06:33:24,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:24,289 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:24,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:24,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:24,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:33:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:24,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:33:24,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:24,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:24,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:24,479 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:24,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646264888] [2022-01-10 06:33:24,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646264888] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:24,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:24,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:24,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722394081] [2022-01-10 06:33:24,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:24,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:33:24,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:24,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:33:24,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:24,525 INFO L87 Difference]: Start difference. First operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:24,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:24,561 INFO L93 Difference]: Finished difference Result 191 states and 260 transitions. [2022-01-10 06:33:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:33:24,564 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:33:24,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:24,569 INFO L225 Difference]: With dead ends: 191 [2022-01-10 06:33:24,569 INFO L226 Difference]: Without dead ends: 91 [2022-01-10 06:33:24,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:24,574 INFO L933 BasicCegarLoop]: 127 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, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:24,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:24,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-01-10 06:33:24,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-01-10 06:33:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.318840579710145) internal successors, (91), 77 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:33:24,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2022-01-10 06:33:24,618 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 25 [2022-01-10 06:33:24,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:24,619 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2022-01-10 06:33:24,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:24,619 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-01-10 06:33:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:33:24,622 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:24,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:24,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 06:33:24,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:24,829 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:24,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:24,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1348159518, now seen corresponding path program 1 times [2022-01-10 06:33:24,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:24,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897530378] [2022-01-10 06:33:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:24,831 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:24,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:24,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:24,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:33:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:24,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:24,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:24,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:24,999 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:24,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897530378] [2022-01-10 06:33:24,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897530378] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:24,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:24,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:25,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909390879] [2022-01-10 06:33:25,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:25,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:25,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:25,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:25,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:25,007 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:25,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:25,025 INFO L93 Difference]: Finished difference Result 143 states and 185 transitions. [2022-01-10 06:33:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:25,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:33:25,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:25,028 INFO L225 Difference]: With dead ends: 143 [2022-01-10 06:33:25,029 INFO L226 Difference]: Without dead ends: 82 [2022-01-10 06:33:25,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:25,033 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:25,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:25,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-01-10 06:33:25,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-01-10 06:33:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 71 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2022-01-10 06:33:25,050 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 26 [2022-01-10 06:33:25,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:25,051 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2022-01-10 06:33:25,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2022-01-10 06:33:25,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 06:33:25,055 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:25,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:25,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:25,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:25,264 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:25,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:25,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1571393351, now seen corresponding path program 1 times [2022-01-10 06:33:25,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:25,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641134783] [2022-01-10 06:33:25,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:25,266 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:25,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:25,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:25,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:33:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:25,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:25,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:25,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:25,390 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:25,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641134783] [2022-01-10 06:33:25,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641134783] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:25,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:25,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:25,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708639609] [2022-01-10 06:33:25,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:25,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:25,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:25,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:25,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:25,395 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:25,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:25,430 INFO L93 Difference]: Finished difference Result 229 states and 302 transitions. [2022-01-10 06:33:25,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:25,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-01-10 06:33:25,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:25,434 INFO L225 Difference]: With dead ends: 229 [2022-01-10 06:33:25,434 INFO L226 Difference]: Without dead ends: 155 [2022-01-10 06:33:25,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:25,437 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 85 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:25,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 226 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:25,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-01-10 06:33:25,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 152. [2022-01-10 06:33:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 130 states have internal predecessors, (156), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-01-10 06:33:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 200 transitions. [2022-01-10 06:33:25,464 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 200 transitions. Word has length 30 [2022-01-10 06:33:25,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:25,464 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 200 transitions. [2022-01-10 06:33:25,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 200 transitions. [2022-01-10 06:33:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 06:33:25,465 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:25,465 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:25,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 06:33:25,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:25,673 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:25,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:25,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1136396561, now seen corresponding path program 1 times [2022-01-10 06:33:25,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:25,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124436590] [2022-01-10 06:33:25,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:25,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:25,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:25,677 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:25,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:33:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:25,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:25,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:25,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:25,827 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:25,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124436590] [2022-01-10 06:33:25,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124436590] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:25,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:25,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:25,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832516652] [2022-01-10 06:33:25,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:25,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:25,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:25,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:25,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:25,829 INFO L87 Difference]: Start difference. First operand 152 states and 200 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:25,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:25,900 INFO L93 Difference]: Finished difference Result 438 states and 585 transitions. [2022-01-10 06:33:25,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:33:25,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-01-10 06:33:25,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:25,906 INFO L225 Difference]: With dead ends: 438 [2022-01-10 06:33:25,906 INFO L226 Difference]: Without dead ends: 294 [2022-01-10 06:33:25,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:25,909 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 73 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:25,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 504 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:25,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-01-10 06:33:25,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 288. [2022-01-10 06:33:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 215 states have (on average 1.344186046511628) internal successors, (289), 244 states have internal predecessors, (289), 44 states have call successors, (44), 28 states have call predecessors, (44), 28 states have return successors, (46), 30 states have call predecessors, (46), 44 states have call successors, (46) [2022-01-10 06:33:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 379 transitions. [2022-01-10 06:33:25,925 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 379 transitions. Word has length 34 [2022-01-10 06:33:25,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:25,925 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 379 transitions. [2022-01-10 06:33:25,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 379 transitions. [2022-01-10 06:33:25,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:33:25,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:25,927 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:25,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:26,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:26,134 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:26,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:26,134 INFO L85 PathProgramCache]: Analyzing trace with hash -373671891, now seen corresponding path program 1 times [2022-01-10 06:33:26,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:26,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783647864] [2022-01-10 06:33:26,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:26,135 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:26,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:26,136 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:26,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:33:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:26,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:33:26,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:26,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:26,254 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:26,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783647864] [2022-01-10 06:33:26,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783647864] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:26,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:26,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:26,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932017965] [2022-01-10 06:33:26,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:26,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:26,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:26,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:26,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:26,255 INFO L87 Difference]: Start difference. First operand 288 states and 379 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 06:33:26,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:26,312 INFO L93 Difference]: Finished difference Result 744 states and 996 transitions. [2022-01-10 06:33:26,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:26,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 38 [2022-01-10 06:33:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:26,315 INFO L225 Difference]: With dead ends: 744 [2022-01-10 06:33:26,315 INFO L226 Difference]: Without dead ends: 464 [2022-01-10 06:33:26,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:26,316 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 77 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:26,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 397 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:26,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2022-01-10 06:33:26,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 450. [2022-01-10 06:33:26,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 337 states have (on average 1.2967359050445104) internal successors, (437), 370 states have internal predecessors, (437), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2022-01-10 06:33:26,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 577 transitions. [2022-01-10 06:33:26,343 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 577 transitions. Word has length 38 [2022-01-10 06:33:26,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:26,344 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 577 transitions. [2022-01-10 06:33:26,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 06:33:26,345 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 577 transitions. [2022-01-10 06:33:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-10 06:33:26,348 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:26,348 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:26,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-01-10 06:33:26,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:26,555 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:26,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:26,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1261041571, now seen corresponding path program 1 times [2022-01-10 06:33:26,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:26,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426444375] [2022-01-10 06:33:26,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:26,556 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:26,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:26,557 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:26,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:33:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:26,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:26,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:33:26,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:26,679 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:26,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426444375] [2022-01-10 06:33:26,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426444375] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:26,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:26,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:26,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434139855] [2022-01-10 06:33:26,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:26,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:26,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:26,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:26,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:26,680 INFO L87 Difference]: Start difference. First operand 450 states and 577 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:33:26,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:26,716 INFO L93 Difference]: Finished difference Result 924 states and 1226 transitions. [2022-01-10 06:33:26,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:26,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-01-10 06:33:26,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:26,719 INFO L225 Difference]: With dead ends: 924 [2022-01-10 06:33:26,719 INFO L226 Difference]: Without dead ends: 482 [2022-01-10 06:33:26,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:26,721 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 9 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:26,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 418 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:26,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-01-10 06:33:26,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 462. [2022-01-10 06:33:26,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 349 states have (on average 1.2865329512893984) internal successors, (449), 382 states have internal predecessors, (449), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2022-01-10 06:33:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 589 transitions. [2022-01-10 06:33:26,741 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 589 transitions. Word has length 56 [2022-01-10 06:33:26,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:26,741 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 589 transitions. [2022-01-10 06:33:26,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:33:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 589 transitions. [2022-01-10 06:33:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-10 06:33:26,742 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:26,742 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:26,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:26,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:26,949 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:26,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:26,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1110697691, now seen corresponding path program 1 times [2022-01-10 06:33:26,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:26,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285791836] [2022-01-10 06:33:26,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:26,951 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:26,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:26,952 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:26,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:33:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:27,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:27,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:33:27,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:27,108 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:27,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285791836] [2022-01-10 06:33:27,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285791836] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:27,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:27,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:33:27,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171656989] [2022-01-10 06:33:27,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:27,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:33:27,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:27,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:33:27,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:33:27,109 INFO L87 Difference]: Start difference. First operand 462 states and 589 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:33:27,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:27,132 INFO L93 Difference]: Finished difference Result 948 states and 1246 transitions. [2022-01-10 06:33:27,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:33:27,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-01-10 06:33:27,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:27,135 INFO L225 Difference]: With dead ends: 948 [2022-01-10 06:33:27,135 INFO L226 Difference]: Without dead ends: 494 [2022-01-10 06:33:27,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:27,137 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 11 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:27,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 316 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:27,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2022-01-10 06:33:27,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 470. [2022-01-10 06:33:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 357 states have (on average 1.280112044817927) internal successors, (457), 390 states have internal predecessors, (457), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2022-01-10 06:33:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 597 transitions. [2022-01-10 06:33:27,153 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 597 transitions. Word has length 56 [2022-01-10 06:33:27,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:27,153 INFO L470 AbstractCegarLoop]: Abstraction has 470 states and 597 transitions. [2022-01-10 06:33:27,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:33:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 597 transitions. [2022-01-10 06:33:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-10 06:33:27,154 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:27,154 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:27,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:27,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:27,361 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:27,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:27,362 INFO L85 PathProgramCache]: Analyzing trace with hash 275505703, now seen corresponding path program 1 times [2022-01-10 06:33:27,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:27,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063406652] [2022-01-10 06:33:27,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:27,363 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:27,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:27,364 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:27,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:33:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:27,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:27,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:33:27,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:27,501 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:27,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063406652] [2022-01-10 06:33:27,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063406652] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:27,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:27,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:27,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276940743] [2022-01-10 06:33:27,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:27,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:27,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:27,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:27,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:27,503 INFO L87 Difference]: Start difference. First operand 470 states and 597 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:33:27,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:27,527 INFO L93 Difference]: Finished difference Result 1118 states and 1428 transitions. [2022-01-10 06:33:27,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:27,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-01-10 06:33:27,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:27,530 INFO L225 Difference]: With dead ends: 1118 [2022-01-10 06:33:27,530 INFO L226 Difference]: Without dead ends: 656 [2022-01-10 06:33:27,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:27,532 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 36 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:27,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 202 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:27,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2022-01-10 06:33:27,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 656. [2022-01-10 06:33:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 499 states have (on average 1.2444889779559118) internal successors, (621), 536 states have internal predecessors, (621), 84 states have call successors, (84), 76 states have call predecessors, (84), 72 states have return successors, (106), 74 states have call predecessors, (106), 84 states have call successors, (106) [2022-01-10 06:33:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 811 transitions. [2022-01-10 06:33:27,552 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 811 transitions. Word has length 56 [2022-01-10 06:33:27,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:27,552 INFO L470 AbstractCegarLoop]: Abstraction has 656 states and 811 transitions. [2022-01-10 06:33:27,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:33:27,552 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 811 transitions. [2022-01-10 06:33:27,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 06:33:27,553 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:27,553 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:27,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:27,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:27,764 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:27,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:27,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1790739521, now seen corresponding path program 1 times [2022-01-10 06:33:27,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:27,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741647624] [2022-01-10 06:33:27,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:27,766 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:27,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:27,767 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:27,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:33:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:27,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:33:27,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:27,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:27,935 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:27,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741647624] [2022-01-10 06:33:27,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741647624] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:27,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:27,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:33:27,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272845684] [2022-01-10 06:33:27,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:27,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 06:33:27,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:27,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 06:33:27,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:27,937 INFO L87 Difference]: Start difference. First operand 656 states and 811 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-10 06:33:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:28,062 INFO L93 Difference]: Finished difference Result 1304 states and 1620 transitions. [2022-01-10 06:33:28,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:33:28,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-01-10 06:33:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:28,065 INFO L225 Difference]: With dead ends: 1304 [2022-01-10 06:33:28,065 INFO L226 Difference]: Without dead ends: 656 [2022-01-10 06:33:28,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:28,068 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 80 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:28,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 647 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:28,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2022-01-10 06:33:28,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 652. [2022-01-10 06:33:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 495 states have (on average 1.2303030303030302) internal successors, (609), 530 states have internal predecessors, (609), 84 states have call successors, (84), 76 states have call predecessors, (84), 72 states have return successors, (96), 74 states have call predecessors, (96), 84 states have call successors, (96) [2022-01-10 06:33:28,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 789 transitions. [2022-01-10 06:33:28,089 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 789 transitions. Word has length 60 [2022-01-10 06:33:28,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:28,089 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 789 transitions. [2022-01-10 06:33:28,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-10 06:33:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 789 transitions. [2022-01-10 06:33:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-10 06:33:28,092 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:28,092 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:28,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:28,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:28,299 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:28,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:28,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1108761287, now seen corresponding path program 1 times [2022-01-10 06:33:28,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:28,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376117300] [2022-01-10 06:33:28,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:28,300 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:28,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:28,301 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:28,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:33:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:28,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:28,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:28,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-10 06:33:28,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:28,454 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:28,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376117300] [2022-01-10 06:33:28,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [376117300] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:28,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:28,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:28,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500009418] [2022-01-10 06:33:28,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:28,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:28,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:28,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:28,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:28,455 INFO L87 Difference]: Start difference. First operand 652 states and 789 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:33:28,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:28,489 INFO L93 Difference]: Finished difference Result 794 states and 961 transitions. [2022-01-10 06:33:28,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:28,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 87 [2022-01-10 06:33:28,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:28,491 INFO L225 Difference]: With dead ends: 794 [2022-01-10 06:33:28,491 INFO L226 Difference]: Without dead ends: 321 [2022-01-10 06:33:28,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:28,492 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 38 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:28,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 233 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:28,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-01-10 06:33:28,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2022-01-10 06:33:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 244 states have (on average 1.1885245901639345) internal successors, (290), 260 states have internal predecessors, (290), 40 states have call successors, (40), 38 states have call predecessors, (40), 36 states have return successors, (46), 36 states have call predecessors, (46), 40 states have call successors, (46) [2022-01-10 06:33:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 376 transitions. [2022-01-10 06:33:28,504 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 376 transitions. Word has length 87 [2022-01-10 06:33:28,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:28,504 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 376 transitions. [2022-01-10 06:33:28,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:33:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 376 transitions. [2022-01-10 06:33:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-10 06:33:28,506 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:28,506 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:28,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:28,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:28,715 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:28,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:28,715 INFO L85 PathProgramCache]: Analyzing trace with hash -188705161, now seen corresponding path program 1 times [2022-01-10 06:33:28,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:28,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827296184] [2022-01-10 06:33:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:28,716 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:28,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:28,717 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:28,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:33:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:28,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:28,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-10 06:33:28,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:28,892 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:28,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827296184] [2022-01-10 06:33:28,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827296184] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:28,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:28,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:28,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232932021] [2022-01-10 06:33:28,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:28,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:28,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:28,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:28,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:28,893 INFO L87 Difference]: Start difference. First operand 321 states and 376 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:33:28,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:28,927 INFO L93 Difference]: Finished difference Result 570 states and 682 transitions. [2022-01-10 06:33:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:33:28,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2022-01-10 06:33:28,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:28,929 INFO L225 Difference]: With dead ends: 570 [2022-01-10 06:33:28,929 INFO L226 Difference]: Without dead ends: 347 [2022-01-10 06:33:28,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:28,930 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 33 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:28,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 396 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:28,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2022-01-10 06:33:28,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2022-01-10 06:33:28,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 264 states have (on average 1.178030303030303) internal successors, (311), 282 states have internal predecessors, (311), 44 states have call successors, (44), 38 states have call predecessors, (44), 38 states have return successors, (52), 40 states have call predecessors, (52), 44 states have call successors, (52) [2022-01-10 06:33:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 407 transitions. [2022-01-10 06:33:28,940 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 407 transitions. Word has length 98 [2022-01-10 06:33:28,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:28,941 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 407 transitions. [2022-01-10 06:33:28,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:33:28,941 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 407 transitions. [2022-01-10 06:33:28,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-10 06:33:28,942 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:28,942 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:28,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:29,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:29,149 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:29,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:29,149 INFO L85 PathProgramCache]: Analyzing trace with hash -54691655, now seen corresponding path program 1 times [2022-01-10 06:33:29,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:29,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917963908] [2022-01-10 06:33:29,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:29,150 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:29,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:29,151 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:29,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:33:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:29,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:33:29,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 06:33:29,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:33:29,694 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-10 06:33:29,695 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:29,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917963908] [2022-01-10 06:33:29,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [917963908] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:33:29,695 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:33:29,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2022-01-10 06:33:29,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155424811] [2022-01-10 06:33:29,695 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:33:29,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-10 06:33:29,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:29,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-10 06:33:29,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-01-10 06:33:29,696 INFO L87 Difference]: Start difference. First operand 347 states and 407 transitions. Second operand has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 12 states have internal predecessors, (115), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) [2022-01-10 06:33:29,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:29,953 INFO L93 Difference]: Finished difference Result 654 states and 791 transitions. [2022-01-10 06:33:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 06:33:29,953 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 12 states have internal predecessors, (115), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) Word has length 98 [2022-01-10 06:33:29,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:29,954 INFO L225 Difference]: With dead ends: 654 [2022-01-10 06:33:29,954 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:33:29,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 182 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2022-01-10 06:33:29,955 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 288 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:29,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 494 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:33:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:33:29,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:33:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:33:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:33:29,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2022-01-10 06:33:29,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:29,956 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:33:29,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 12 states have internal predecessors, (115), 8 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (17), 6 states have call predecessors, (17), 8 states have call successors, (17) [2022-01-10 06:33:29,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:33:29,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:33:29,958 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:33:29,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:30,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:30,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:33:33,393 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: true [2022-01-10 06:33:33,393 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2022-01-10 06:33:33,393 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2022-01-10 06:33:33,393 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 98 104) no Hoare annotation was computed. [2022-01-10 06:33:33,393 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 98 104) the Hoare annotation is: true [2022-01-10 06:33:33,393 INFO L858 garLoopResultBuilder]: For program point L942-1(lines 938 949) no Hoare annotation was computed. [2022-01-10 06:33:33,393 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 938 949) the Hoare annotation is: (let ((.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse4 .cse1 .cse3 .cse7) (or .cse4 .cse0 .cse8 .cse5 .cse6) (or .cse4 .cse0 .cse1 .cse3 .cse8) (or .cse4 .cse0 .cse2 .cse5 .cse6))) [2022-01-10 06:33:33,393 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 938 949) no Hoare annotation was computed. [2022-01-10 06:33:33,393 INFO L861 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: true [2022-01-10 06:33:33,393 INFO L858 garLoopResultBuilder]: For program point L417-1(line 417) no Hoare annotation was computed. [2022-01-10 06:33:33,394 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 411 440) no Hoare annotation was computed. [2022-01-10 06:33:33,394 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 411 440) the Hoare annotation is: true [2022-01-10 06:33:33,394 INFO L861 garLoopResultBuilder]: At program point L436(lines 411 440) the Hoare annotation is: true [2022-01-10 06:33:33,394 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-01-10 06:33:33,394 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2022-01-10 06:33:33,394 INFO L861 garLoopResultBuilder]: At program point L425-1(lines 425 429) the Hoare annotation is: true [2022-01-10 06:33:33,394 INFO L858 garLoopResultBuilder]: For program point L422(line 422) no Hoare annotation was computed. [2022-01-10 06:33:33,394 INFO L861 garLoopResultBuilder]: At program point L421-2(lines 421 435) the Hoare annotation is: true [2022-01-10 06:33:33,394 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 950 958) the Hoare annotation is: true [2022-01-10 06:33:33,394 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 950 958) no Hoare annotation was computed. [2022-01-10 06:33:33,394 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 950 958) no Hoare annotation was computed. [2022-01-10 06:33:33,394 INFO L858 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-01-10 06:33:33,394 INFO L854 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: (let ((.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse12 (= ~systemActive~0 (_ bv1 32))) (.cse13 (= (_ bv0 32) ~pumpRunning~0)) (.cse14 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (and .cse13 .cse14)) (.cse9 (and (= ~waterLevel~0 (_ bv1 32)) .cse13)) (.cse6 (and .cse11 .cse12 .cse13 .cse14)) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse12)) (.cse10 (and .cse12 .cse13 .cse14)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not .cse11)) (.cse8 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse1 .cse3 .cse8) (or .cse5 .cse9 .cse0 .cse10 .cse3) (or .cse5 .cse9 .cse0 .cse6 .cse7) (or .cse5 .cse0 .cse1 .cse10 .cse3) (or .cse1 .cse7 .cse8)))) [2022-01-10 06:33:33,394 INFO L854 garLoopResultBuilder]: At program point L151-1(lines 132 156) the Hoare annotation is: (let ((.cse11 (= ~systemActive~0 (_ bv1 32))) (.cse12 (= (_ bv0 32) ~pumpRunning~0)) (.cse13 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (and .cse12 .cse13)) (.cse7 (and .cse11 .cse13)) (.cse8 (and (= ~waterLevel~0 (_ bv1 32)) .cse12)) (.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse11)) (.cse10 (and .cse11 .cse12 .cse13)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse9 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse6 .cse7 .cse8 .cse0 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse5) (or .cse1 .cse3 .cse9) (or .cse6 .cse8 .cse0 .cse10 .cse3) (or .cse6 .cse0 .cse1 .cse10 .cse3) (or .cse1 .cse5 .cse9)))) [2022-01-10 06:33:33,394 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-01-10 06:33:33,394 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2022-01-10 06:33:33,395 INFO L854 garLoopResultBuilder]: At program point L1010(lines 1005 1013) the Hoare annotation is: (let ((.cse1 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse2 .cse5 .cse6 .cse3) (or .cse0 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse5 .cse3) (or .cse5 .cse3 .cse7) (or .cse2 .cse5 .cse6 .cse4) (or .cse5 .cse4 .cse7))) [2022-01-10 06:33:33,395 INFO L858 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2022-01-10 06:33:33,395 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 74 97) no Hoare annotation was computed. [2022-01-10 06:33:33,395 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 77 96) no Hoare annotation was computed. [2022-01-10 06:33:33,395 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2022-01-10 06:33:33,395 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 153) no Hoare annotation was computed. [2022-01-10 06:33:33,395 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2022-01-10 06:33:33,395 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-01-10 06:33:33,395 INFO L854 garLoopResultBuilder]: At program point L388-1(lines 380 408) the Hoare annotation is: (let ((.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| (_ bv0 32))) (.cse14 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse12 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse13 (and (= ~waterLevel~0 (_ bv2 32)) .cse8 .cse14 .cse12 .cse10)) (.cse5 (not .cse14)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse11 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not .cse12)) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (and .cse12 .cse9 .cse10)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse4) (or .cse6 .cse0 .cse7 .cse1 .cse2) (or .cse6 (and .cse8 .cse9 .cse10) .cse0 .cse1 .cse5) (or .cse11 .cse6 .cse7 .cse2 (and .cse12 .cse3 .cse9)) (or .cse11 .cse6 .cse13 .cse5 (and .cse8 .cse3 .cse9)) (or .cse11 .cse6 .cse0 .cse13 .cse5) (or .cse0 .cse2 .cse4 .cse9) (or .cse0 (and .cse8 .cse9) .cse5 .cse4) (or .cse11 .cse6 .cse0 .cse7 .cse2)))) [2022-01-10 06:33:33,395 INFO L854 garLoopResultBuilder]: At program point L281(lines 266 284) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (and (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~1#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |timeShift_isLowWaterLevel_~tmp~4#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse1 .cse4 .cse6) (or .cse4 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse4 .cse5 .cse3) (or .cse4 .cse3 .cse7))) [2022-01-10 06:33:33,395 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-01-10 06:33:33,395 INFO L854 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (let ((.cse1 (= |timeShift_isPumpRunning_#res#1| (_ bv0 32))) (.cse12 (= ~systemActive~0 (_ bv1 32))) (.cse13 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse11 (and .cse1 .cse12 .cse13 .cse2 .cse3)) (.cse6 (not .cse13)) (.cse0 (not .cse12)) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse10 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse8 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse10) (or .cse9 .cse11 .cse0 (and .cse1 .cse7 .cse2) .cse6) (or .cse4 (and .cse1 .cse2) .cse6 .cse8) (or .cse9 .cse11 .cse0 .cse4 .cse6) (or .cse0 .cse4 .cse5 .cse10) (or .cse4 .cse10 .cse8)))) [2022-01-10 06:33:33,395 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2022-01-10 06:33:33,395 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse5) (or .cse3 .cse2 .cse6) (or .cse1 .cse3 .cse4 .cse5) (or .cse3 .cse5 .cse6))) [2022-01-10 06:33:33,396 INFO L858 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2022-01-10 06:33:33,396 INFO L854 garLoopResultBuilder]: At program point L918-2(lines 914 925) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5) (or .cse4 .cse0 .cse1 .cse3) (or .cse1 .cse3 .cse6) (or .cse4 .cse0 .cse3 .cse7) (or .cse4 .cse0 .cse7 .cse5) (or .cse0 .cse1 .cse2 .cse5) (or .cse1 .cse5 .cse6))) [2022-01-10 06:33:33,396 INFO L854 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse5) (or .cse3 .cse2 .cse6) (or .cse1 .cse3 .cse4 .cse5) (or .cse3 .cse5 .cse6))) [2022-01-10 06:33:33,396 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 74 97) the Hoare annotation is: (let ((.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse4 (and .cse10 .cse9)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse1 .cse2 .cse5 .cse7 .cse6) (or .cse8 .cse0 .cse3 .cse9) (or .cse1 .cse7 .cse6 .cse10) (or .cse8 .cse0 .cse7 .cse9) (or .cse1 .cse3 .cse6 .cse10) (or .cse8 .cse0 .cse1 .cse3 .cse10) (or .cse8 .cse0 .cse1 .cse7 .cse10)))) [2022-01-10 06:33:33,396 INFO L854 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (and (= |timeShift_processEnvironment_~tmp~1#1| (_ bv1 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~1#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |timeShift_isLowWaterLevel_~tmp~4#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse4 .cse6) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse6) (or .cse4 .cse3 .cse7) (or .cse1 .cse4 .cse5 .cse6) (or .cse4 .cse6 .cse7))) [2022-01-10 06:33:33,396 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 74 97) no Hoare annotation was computed. [2022-01-10 06:33:33,396 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-01-10 06:33:33,396 INFO L854 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse13 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= (_ bv0 32) ~pumpRunning~0)) (.cse14 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse4 (and .cse11 .cse14)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse9 (and .cse13 .cse14)) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse10 (and .cse5 .cse11)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse13)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse12 (and .cse13 .cse11 .cse14)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse8 .cse9 .cse10 .cse0 .cse7) (or .cse1 .cse2 .cse5 .cse7 .cse6) (or .cse8 .cse9 .cse0 .cse1 .cse7) (or .cse1 .cse7 .cse6 .cse11) (or .cse8 .cse10 .cse0 .cse12 .cse3) (or .cse1 .cse3 .cse6 .cse11) (or .cse8 .cse0 .cse1 .cse12 .cse3)))) [2022-01-10 06:33:33,396 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2022-01-10 06:33:33,396 INFO L854 garLoopResultBuilder]: At program point L469(lines 465 471) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:33,396 INFO L854 garLoopResultBuilder]: At program point L362(lines 313 363) the Hoare annotation is: false [2022-01-10 06:33:33,396 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L854 garLoopResultBuilder]: At program point L540(lines 535 543) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:33,397 INFO L854 garLoopResultBuilder]: At program point L350-2(lines 344 357) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~systemActive~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse3) (and .cse4 .cse6 .cse3 .cse5) (and .cse6 .cse1 .cse7 .cse3 .cse5) (and .cse1 .cse7 .cse2 .cse3 .cse5))) [2022-01-10 06:33:33,397 INFO L854 garLoopResultBuilder]: At program point L532(lines 528 534) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:33,397 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L858 garLoopResultBuilder]: For program point L334-1(lines 334 340) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L854 garLoopResultBuilder]: At program point L297(lines 285 299) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2))) [2022-01-10 06:33:33,397 INFO L854 garLoopResultBuilder]: At program point L359(lines 314 361) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~systemActive~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse3) (and .cse5 .cse6 .cse3 .cse4) (and .cse6 .cse1 .cse7 .cse3 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2022-01-10 06:33:33,397 INFO L854 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~systemActive~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse3) (and .cse5 .cse6 .cse3 .cse4) (and .cse6 .cse1 .cse7 .cse3 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2022-01-10 06:33:33,397 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L858 garLoopResultBuilder]: For program point L289-1(lines 289 295) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 503) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L858 garLoopResultBuilder]: For program point L496-2(lines 496 503) no Hoare annotation was computed. [2022-01-10 06:33:33,397 INFO L854 garLoopResultBuilder]: At program point L525(lines 521 527) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:33,398 INFO L861 garLoopResultBuilder]: At program point L480(lines 472 482) the Hoare annotation is: true [2022-01-10 06:33:33,398 INFO L858 garLoopResultBuilder]: For program point L315(lines 314 361) no Hoare annotation was computed. [2022-01-10 06:33:33,398 INFO L854 garLoopResultBuilder]: At program point L377(lines 372 379) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:33,398 INFO L861 garLoopResultBuilder]: At program point L505(lines 486 508) the Hoare annotation is: true [2022-01-10 06:33:33,398 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 357) no Hoare annotation was computed. [2022-01-10 06:33:33,398 INFO L854 garLoopResultBuilder]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~systemActive~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse3) (and .cse5 .cse6 .cse3 .cse4) (and .cse6 .cse1 .cse7 .cse3 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2022-01-10 06:33:33,398 INFO L861 garLoopResultBuilder]: At program point L365(lines 304 369) the Hoare annotation is: true [2022-01-10 06:33:33,398 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2022-01-10 06:33:33,398 INFO L858 garLoopResultBuilder]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2022-01-10 06:33:33,398 INFO L854 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2022-01-10 06:33:33,398 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 106 130) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2022-01-10 06:33:33,398 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2022-01-10 06:33:33,398 INFO L858 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2022-01-10 06:33:33,398 INFO L854 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not .cse7)) (.cse1 (and .cse7 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse6)))) [2022-01-10 06:33:33,398 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 122) no Hoare annotation was computed. [2022-01-10 06:33:33,398 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 127) no Hoare annotation was computed. [2022-01-10 06:33:33,399 INFO L854 garLoopResultBuilder]: At program point L1000(lines 991 1004) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse0 .cse2 .cse7 .cse5 .cse6)))) [2022-01-10 06:33:33,399 INFO L854 garLoopResultBuilder]: At program point L162(lines 157 164) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse3) (or .cse0 .cse1 .cse2 .cse3))) [2022-01-10 06:33:33,399 INFO L854 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (let ((.cse3 (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5))) [2022-01-10 06:33:33,399 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 106 130) no Hoare annotation was computed. [2022-01-10 06:33:33,399 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 106 130) no Hoare annotation was computed. [2022-01-10 06:33:33,399 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2022-01-10 06:33:33,399 INFO L854 garLoopResultBuilder]: At program point L173-2(lines 166 182) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2 (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~2#1|) (= (_ bv0 32) ~pumpRunning~0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse3) (or .cse0 .cse1 .cse2 .cse3))) [2022-01-10 06:33:33,399 INFO L854 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: (let ((.cse7 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (and (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse7)) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse6 .cse2 .cse5 .cse7) (or .cse0 .cse6 .cse2 .cse3 .cse7)))) [2022-01-10 06:33:33,399 INFO L854 garLoopResultBuilder]: At program point L198(lines 191 201) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) .cse2) .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse2) (or .cse0 .cse3 .cse5 .cse6) (or .cse0 .cse3 .cse4 .cse6))) [2022-01-10 06:33:33,399 INFO L854 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse5 .cse6) (or .cse0 .cse2 .cse3 .cse6))) [2022-01-10 06:33:33,399 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2022-01-10 06:33:33,399 INFO L858 garLoopResultBuilder]: For program point L196-1(line 196) no Hoare annotation was computed. [2022-01-10 06:33:33,399 INFO L858 garLoopResultBuilder]: For program point L930-1(lines 926 937) no Hoare annotation was computed. [2022-01-10 06:33:33,399 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 926 937) no Hoare annotation was computed. [2022-01-10 06:33:33,399 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 926 937) the Hoare annotation is: (let ((.cse8 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse3 .cse6 .cse7) (or .cse8 .cse1 .cse5 .cse4) (or .cse8 .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse2 .cse6 .cse5 .cse7))) [2022-01-10 06:33:33,402 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:33,402 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:33:33,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:33:33 BoogieIcfgContainer [2022-01-10 06:33:33,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:33:33,440 INFO L158 Benchmark]: Toolchain (without parser) took 10174.23ms. Allocated memory was 201.3MB in the beginning and 326.1MB in the end (delta: 124.8MB). Free memory was 144.6MB in the beginning and 173.4MB in the end (delta: -28.8MB). Peak memory consumption was 161.7MB. Max. memory is 8.0GB. [2022-01-10 06:33:33,440 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:33:33,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.64ms. Allocated memory was 201.3MB in the beginning and 326.1MB in the end (delta: 124.8MB). Free memory was 144.4MB in the beginning and 281.9MB in the end (delta: -137.5MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2022-01-10 06:33:33,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.41ms. Allocated memory is still 326.1MB. Free memory was 281.9MB in the beginning and 279.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:33,440 INFO L158 Benchmark]: Boogie Preprocessor took 20.56ms. Allocated memory is still 326.1MB. Free memory was 279.3MB in the beginning and 277.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:33,441 INFO L158 Benchmark]: RCFGBuilder took 431.57ms. Allocated memory is still 326.1MB. Free memory was 277.2MB in the beginning and 258.9MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-01-10 06:33:33,441 INFO L158 Benchmark]: TraceAbstraction took 9261.31ms. Allocated memory is still 326.1MB. Free memory was 258.3MB in the beginning and 173.4MB in the end (delta: 84.9MB). Peak memory consumption was 149.9MB. Max. memory is 8.0GB. [2022-01-10 06:33:33,442 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 201.3MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 416.64ms. Allocated memory was 201.3MB in the beginning and 326.1MB in the end (delta: 124.8MB). Free memory was 144.4MB in the beginning and 281.9MB in the end (delta: -137.5MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.41ms. Allocated memory is still 326.1MB. Free memory was 281.9MB in the beginning and 279.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.56ms. Allocated memory is still 326.1MB. Free memory was 279.3MB in the beginning and 277.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 431.57ms. Allocated memory is still 326.1MB. Free memory was 277.2MB in the beginning and 258.9MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 9261.31ms. Allocated memory is still 326.1MB. Free memory was 258.3MB in the beginning and 173.4MB in the end (delta: 84.9MB). Peak memory consumption was 149.9MB. 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 759 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 746 mSDsluCounter, 4149 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2681 mSDsCounter, 113 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 581 IncrementalHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 113 mSolverCounterUnsat, 1468 mSDtfsCounter, 581 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 767 GetRequests, 714 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=656occurred in iteration=8, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 71 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 1981 PreInvPairs, 2138 NumberOfFragments, 3409 HoareAnnotationTreeSize, 1981 FomulaSimplifications, 122 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 3074 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 664 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 1470 SizeOfPredicates, 24 NumberOfNonLiveVariables, 2353 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 113/126 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: 521]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((((((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || (systemActive == 1bv32 && waterLevel == \old(waterLevel))) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || (systemActive == 1bv32 && waterLevel == \old(waterLevel))) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || !(systemActive == 1bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(systemActive == 0bv32)) && ((((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && ((((!(systemActive == 1bv32) || ((tmp == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || ((systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((waterLevel == 2bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || ((tmp == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((((waterLevel == 2bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && (((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32)) || 0bv32 == pumpRunning)) && (((!(\old(pumpRunning) == 0bv32) || (tmp == 0bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (((((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((1bv32 == tmp___0 && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32)) || !(methaneLevelCritical == 0bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((1bv32 == tmp___0 && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || ((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) && ((((!(systemActive == 1bv32) || ((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || (methaneLevelCritical == \result && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 2bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((systemActive == 0bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((waterLevel == 2bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32)) || (((systemActive == 0bv32 && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((systemActive == 1bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || ((methaneLevelCritical == \result && methaneLevelCritical == tmp) && 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((systemActive == 0bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((systemActive == 0bv32 && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: (((((((((!(2bv32 == \old(waterLevel)) || (\result == 0bv32 && waterLevel == 1bv32)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) && (((!(2bv32 == \old(waterLevel)) || (\result == 0bv32 && waterLevel == 1bv32)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((((!(systemActive == 1bv32) || ((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) && ((((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || ((((\result == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(systemActive == 1bv32)) || ((\result == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32))) && (((!(\old(pumpRunning) == 0bv32) || (\result == 0bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32)) || !(systemActive == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || ((((\result == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:33:33,483 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...