/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_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:32:48,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:32:48,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:32:48,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:32:48,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:32:48,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:32:48,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:32:48,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:32:48,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:32:48,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:32:48,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:32:48,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:32:48,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:32:48,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:32:48,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:32:48,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:32:48,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:32:48,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:32:48,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:32:48,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:32:48,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:32:49,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:32:49,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:32:49,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:32:49,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:32:49,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:32:49,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:32:49,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:32:49,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:32:49,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:32:49,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:32:49,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:32:49,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:32:49,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:32:49,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:32:49,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:32:49,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:32:49,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:32:49,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:32:49,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:32:49,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:32:49,016 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 06:32:49,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:32:49,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:32:49,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:32:49,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:32:49,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:32:49,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:32:49,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:32:49,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:32:49,059 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:32:49,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:32:49,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:32:49,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:32:49,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:32:49,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:32:49,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:32:49,060 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:32:49,060 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:32:49,060 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:32:49,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:32:49,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:32:49,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:32:49,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:32:49,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:32:49,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:49,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:32:49,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:32:49,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:32:49,076 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:32:49,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:32:49,076 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:32:49,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:32:49,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:32:49,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:32:49,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:32:49,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:32:49,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:32:49,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:32:49,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:32:49,451 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:32:49,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2022-01-10 06:32:49,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db875947e/77591e3ae8d9477e99279be07b005d08/FLAG541689a2d [2022-01-10 06:32:50,010 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:32:50,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2022-01-10 06:32:50,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db875947e/77591e3ae8d9477e99279be07b005d08/FLAG541689a2d [2022-01-10 06:32:50,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db875947e/77591e3ae8d9477e99279be07b005d08 [2022-01-10 06:32:50,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:32:50,397 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:32:50,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:50,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:32:50,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:32:50,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300f286e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:50, skipping insertion in model container [2022-01-10 06:32:50,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:50" (1/1) ... [2022-01-10 06:32:50,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:32:50,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:50,885 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_product11.cil.c[14638,14651] [2022-01-10 06:32:50,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:50,939 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:32:50,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:51,002 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_product11.cil.c[14638,14651] [2022-01-10 06:32:51,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:51,085 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:32:51,146 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_product11.cil.c[14638,14651] [2022-01-10 06:32:51,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:51,179 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:32:51,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51 WrapperNode [2022-01-10 06:32:51,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:51,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:51,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:32:51,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:32:51,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (1/1) ... [2022-01-10 06:32:51,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (1/1) ... [2022-01-10 06:32:51,272 INFO L137 Inliner]: procedures = 54, calls = 149, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 188 [2022-01-10 06:32:51,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:51,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:32:51,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:32:51,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:32:51,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (1/1) ... [2022-01-10 06:32:51,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (1/1) ... [2022-01-10 06:32:51,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (1/1) ... [2022-01-10 06:32:51,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (1/1) ... [2022-01-10 06:32:51,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (1/1) ... [2022-01-10 06:32:51,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (1/1) ... [2022-01-10 06:32:51,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (1/1) ... [2022-01-10 06:32:51,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:32:51,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:32:51,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:32:51,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:32:51,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (1/1) ... [2022-01-10 06:32:51,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:51,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:32:51,330 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 06:32:51,349 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 06:32:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:32:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:32:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:32:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:32:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:32:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:32:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:32:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:32:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:32:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:32:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:32:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:32:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:32:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:32:51,463 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:32:51,464 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:32:51,769 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:32:51,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:32:51,774 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:32:51,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:51 BoogieIcfgContainer [2022-01-10 06:32:51,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:32:51,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:32:51,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:32:51,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:32:51,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:32:50" (1/3) ... [2022-01-10 06:32:51,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331e0497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:51, skipping insertion in model container [2022-01-10 06:32:51,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:51" (2/3) ... [2022-01-10 06:32:51,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331e0497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:51, skipping insertion in model container [2022-01-10 06:32:51,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:51" (3/3) ... [2022-01-10 06:32:51,779 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2022-01-10 06:32:51,782 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:32:51,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:32:51,808 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:32:51,812 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 06:32:51,812 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:32:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:32:51,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:32:51,826 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:51,826 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 06:32:51,827 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:51,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:51,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1618223231, now seen corresponding path program 1 times [2022-01-10 06:32:51,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:51,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573892788] [2022-01-10 06:32:51,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:51,839 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:51,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:51,841 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 06:32:51,843 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 06:32:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:51,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:32:51,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:52,062 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 06:32:52,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:52,063 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:52,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573892788] [2022-01-10 06:32:52,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573892788] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:52,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:52,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:52,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110964300] [2022-01-10 06:32:52,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:52,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:32:52,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:52,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:32:52,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:52,086 INFO L87 Difference]: Start difference. First operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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 06:32:52,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:52,104 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2022-01-10 06:32:52,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:32:52,105 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 06:32:52,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:52,110 INFO L225 Difference]: With dead ends: 127 [2022-01-10 06:32:52,110 INFO L226 Difference]: Without dead ends: 59 [2022-01-10 06:32:52,113 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 06:32:52,115 INFO L933 BasicCegarLoop]: 83 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, 83 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 06:32:52,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:52,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-01-10 06:32:52,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-01-10 06:32:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.297872340425532) internal successors, (61), 50 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-10 06:32:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-01-10 06:32:52,161 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 25 [2022-01-10 06:32:52,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:52,162 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-01-10 06:32:52,162 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 06:32:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-01-10 06:32:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:32:52,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:52,188 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 06:32:52,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:52,395 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 06:32:52,396 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:52,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:52,396 INFO L85 PathProgramCache]: Analyzing trace with hash -915486216, now seen corresponding path program 1 times [2022-01-10 06:32:52,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:52,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923754133] [2022-01-10 06:32:52,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:52,398 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:52,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:52,408 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 06:32:52,411 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 06:32:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:52,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:52,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:52,644 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 06:32:52,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:52,644 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:52,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923754133] [2022-01-10 06:32:52,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923754133] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:52,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:52,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:52,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260510158] [2022-01-10 06:32:52,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:52,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:52,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:52,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:52,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:52,647 INFO L87 Difference]: Start difference. First operand 59 states and 74 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 06:32:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:52,659 INFO L93 Difference]: Finished difference Result 79 states and 98 transitions. [2022-01-10 06:32:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:52,665 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 06:32:52,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:52,667 INFO L225 Difference]: With dead ends: 79 [2022-01-10 06:32:52,667 INFO L226 Difference]: Without dead ends: 50 [2022-01-10 06:32:52,667 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 06:32:52,668 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 101 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 06:32:52,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:52,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-01-10 06:32:52,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-01-10 06:32:52,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 44 states have internal predecessors, (54), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-10 06:32:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-01-10 06:32:52,674 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 26 [2022-01-10 06:32:52,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:52,674 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-01-10 06:32:52,674 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 06:32:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-01-10 06:32:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 06:32:52,675 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:52,677 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 06:32:52,686 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 06:32:52,892 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 06:32:52,892 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:52,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:52,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1945528758, now seen corresponding path program 1 times [2022-01-10 06:32:52,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:52,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783712170] [2022-01-10 06:32:52,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:52,895 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:52,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:52,903 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 06:32:52,906 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 06:32:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:52,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:52,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:53,039 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 06:32:53,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:53,040 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:53,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783712170] [2022-01-10 06:32:53,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783712170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:53,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:53,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:53,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018830470] [2022-01-10 06:32:53,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:53,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:53,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:53,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:53,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:53,047 INFO L87 Difference]: Start difference. First operand 50 states and 62 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 06:32:53,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:53,069 INFO L93 Difference]: Finished difference Result 133 states and 170 transitions. [2022-01-10 06:32:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:53,073 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 06:32:53,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:53,075 INFO L225 Difference]: With dead ends: 133 [2022-01-10 06:32:53,075 INFO L226 Difference]: Without dead ends: 91 [2022-01-10 06:32:53,075 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 06:32:53,076 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 116 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 06:32:53,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 116 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:53,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-01-10 06:32:53,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2022-01-10 06:32:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 74 states have internal predecessors, (93), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 06:32:53,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2022-01-10 06:32:53,085 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 30 [2022-01-10 06:32:53,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:53,086 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2022-01-10 06:32:53,086 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 06:32:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2022-01-10 06:32:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:32:53,086 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:53,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:32:53,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:53,293 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 06:32:53,293 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:53,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:53,295 INFO L85 PathProgramCache]: Analyzing trace with hash -290200365, now seen corresponding path program 1 times [2022-01-10 06:32:53,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:53,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593575780] [2022-01-10 06:32:53,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:53,296 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:53,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:53,297 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 06:32:53,299 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 06:32:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:53,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:53,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:53,443 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 06:32:53,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:53,444 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:53,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593575780] [2022-01-10 06:32:53,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593575780] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:53,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:53,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:53,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324816344] [2022-01-10 06:32:53,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:53,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:53,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:53,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:53,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:53,450 INFO L87 Difference]: Start difference. First operand 86 states and 109 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 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 06:32:53,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:53,518 INFO L93 Difference]: Finished difference Result 240 states and 312 transitions. [2022-01-10 06:32:53,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:32:53,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 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 31 [2022-01-10 06:32:53,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:53,521 INFO L225 Difference]: With dead ends: 240 [2022-01-10 06:32:53,521 INFO L226 Difference]: Without dead ends: 162 [2022-01-10 06:32:53,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 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 06:32:53,522 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 33 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:53,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 290 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:53,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-01-10 06:32:53,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2022-01-10 06:32:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 132 states have internal predecessors, (163), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2022-01-10 06:32:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 197 transitions. [2022-01-10 06:32:53,547 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 197 transitions. Word has length 31 [2022-01-10 06:32:53,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:53,547 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 197 transitions. [2022-01-10 06:32:53,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 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 06:32:53,547 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 197 transitions. [2022-01-10 06:32:53,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 06:32:53,548 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:53,548 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] [2022-01-10 06:32:53,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-01-10 06:32:53,755 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 06:32:53,755 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:53,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:53,756 INFO L85 PathProgramCache]: Analyzing trace with hash 55816407, now seen corresponding path program 1 times [2022-01-10 06:32:53,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:53,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882733367] [2022-01-10 06:32:53,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:53,756 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:53,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:53,757 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 06:32:53,759 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 06:32:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:53,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:32:53,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:53,863 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 06:32:53,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:53,864 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:53,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882733367] [2022-01-10 06:32:53,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882733367] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:53,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:53,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:53,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483809589] [2022-01-10 06:32:53,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:53,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:32:53,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:53,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:32:53,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:32:53,865 INFO L87 Difference]: Start difference. First operand 156 states and 197 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 06:32:53,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:53,934 INFO L93 Difference]: Finished difference Result 296 states and 377 transitions. [2022-01-10 06:32:53,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:32:53,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 35 [2022-01-10 06:32:53,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:53,935 INFO L225 Difference]: With dead ends: 296 [2022-01-10 06:32:53,935 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:32:53,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 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 06:32:53,937 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 49 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:53,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 145 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:53,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:32:53,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:32:53,938 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 06:32:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:32:53,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-01-10 06:32:53,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:53,938 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:32:53,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 06:32:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:32:53,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:32:53,940 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:32:53,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:32:54,163 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 06:32:54,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:32:54,445 INFO L858 garLoopResultBuilder]: For program point L753-1(lines 749 760) no Hoare annotation was computed. [2022-01-10 06:32:54,445 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 749 760) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2022-01-10 06:32:54,445 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 749 760) no Hoare annotation was computed. [2022-01-10 06:32:54,445 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 804 833) no Hoare annotation was computed. [2022-01-10 06:32:54,445 INFO L861 garLoopResultBuilder]: At program point L829(lines 804 833) the Hoare annotation is: true [2022-01-10 06:32:54,445 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 804 833) the Hoare annotation is: true [2022-01-10 06:32:54,445 INFO L858 garLoopResultBuilder]: For program point L825(line 825) no Hoare annotation was computed. [2022-01-10 06:32:54,446 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2022-01-10 06:32:54,446 INFO L861 garLoopResultBuilder]: At program point L818-1(lines 818 822) the Hoare annotation is: true [2022-01-10 06:32:54,446 INFO L858 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2022-01-10 06:32:54,446 INFO L861 garLoopResultBuilder]: At program point L814-2(lines 814 828) the Hoare annotation is: true [2022-01-10 06:32:54,446 INFO L861 garLoopResultBuilder]: At program point L810(line 810) the Hoare annotation is: true [2022-01-10 06:32:54,446 INFO L858 garLoopResultBuilder]: For program point L810-1(line 810) no Hoare annotation was computed. [2022-01-10 06:32:54,446 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 761 769) the Hoare annotation is: true [2022-01-10 06:32:54,446 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 761 769) no Hoare annotation was computed. [2022-01-10 06:32:54,446 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 761 769) no Hoare annotation was computed. [2022-01-10 06:32:54,446 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 714) no Hoare annotation was computed. [2022-01-10 06:32:54,446 INFO L858 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2022-01-10 06:32:54,446 INFO L854 garLoopResultBuilder]: At program point L700-1(lines 692 720) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| (_ bv0 32)) (not (= ~methaneLevelCritical~0 (_ bv0 32)))) [2022-01-10 06:32:54,446 INFO L861 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: true [2022-01-10 06:32:54,447 INFO L858 garLoopResultBuilder]: For program point L729(lines 729 733) no Hoare annotation was computed. [2022-01-10 06:32:54,447 INFO L858 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2022-01-10 06:32:54,447 INFO L854 garLoopResultBuilder]: At program point L729-2(lines 725 736) the Hoare annotation is: (not (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,447 INFO L858 garLoopResultBuilder]: For program point L471-1(lines 470 489) no Hoare annotation was computed. [2022-01-10 06:32:54,447 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 467 490) no Hoare annotation was computed. [2022-01-10 06:32:54,447 INFO L858 garLoopResultBuilder]: For program point L678(line 678) no Hoare annotation was computed. [2022-01-10 06:32:54,447 INFO L854 garLoopResultBuilder]: At program point L548(lines 543 551) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 (= |timeShift_isPumpRunning_#res#1| (_ bv0 32))) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2022-01-10 06:32:54,447 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2022-01-10 06:32:54,447 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2022-01-10 06:32:54,447 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 467 490) the Hoare annotation is: true [2022-01-10 06:32:54,447 INFO L861 garLoopResultBuilder]: At program point L495(lines 491 497) the Hoare annotation is: true [2022-01-10 06:32:54,447 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 467 490) no Hoare annotation was computed. [2022-01-10 06:32:54,448 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2022-01-10 06:32:54,448 INFO L854 garLoopResultBuilder]: At program point L679(lines 674 681) the Hoare annotation is: (not (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,448 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 893) no Hoare annotation was computed. [2022-01-10 06:32:54,448 INFO L858 garLoopResultBuilder]: For program point L886-2(lines 886 893) no Hoare annotation was computed. [2022-01-10 06:32:54,448 INFO L858 garLoopResultBuilder]: For program point L618(lines 617 664) no Hoare annotation was computed. [2022-01-10 06:32:54,448 INFO L858 garLoopResultBuilder]: For program point L647(lines 647 660) no Hoare annotation was computed. [2022-01-10 06:32:54,448 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:32:54,448 INFO L854 garLoopResultBuilder]: At program point L639(line 639) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,448 INFO L861 garLoopResultBuilder]: At program point L895(lines 876 898) the Hoare annotation is: true [2022-01-10 06:32:54,448 INFO L854 garLoopResultBuilder]: At program point L862(lines 858 864) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,448 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:32:54,448 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:32:54,448 INFO L861 garLoopResultBuilder]: At program point L668(lines 607 672) the Hoare annotation is: true [2022-01-10 06:32:54,449 INFO L858 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2022-01-10 06:32:54,449 INFO L858 garLoopResultBuilder]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2022-01-10 06:32:54,449 INFO L854 garLoopResultBuilder]: At program point L689(lines 684 691) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,449 INFO L858 garLoopResultBuilder]: For program point L619(lines 619 623) no Hoare annotation was computed. [2022-01-10 06:32:54,449 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:32:54,449 INFO L854 garLoopResultBuilder]: At program point L665(lines 616 666) the Hoare annotation is: false [2022-01-10 06:32:54,449 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,449 INFO L854 garLoopResultBuilder]: At program point L529(lines 524 531) the Hoare annotation is: false [2022-01-10 06:32:54,449 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2022-01-10 06:32:54,449 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,449 INFO L854 garLoopResultBuilder]: At program point L653-2(lines 647 660) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,449 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 643) no Hoare annotation was computed. [2022-01-10 06:32:54,450 INFO L858 garLoopResultBuilder]: For program point L637-1(lines 637 643) no Hoare annotation was computed. [2022-01-10 06:32:54,450 INFO L854 garLoopResultBuilder]: At program point L600(lines 588 602) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,450 INFO L854 garLoopResultBuilder]: At program point L662(lines 617 664) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,450 INFO L854 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,450 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 598) no Hoare annotation was computed. [2022-01-10 06:32:54,450 INFO L858 garLoopResultBuilder]: For program point L592-2(lines 592 598) no Hoare annotation was computed. [2022-01-10 06:32:54,450 INFO L861 garLoopResultBuilder]: At program point L873(lines 865 875) the Hoare annotation is: true [2022-01-10 06:32:54,450 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:54,450 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 737 748) no Hoare annotation was computed. [2022-01-10 06:32:54,450 INFO L858 garLoopResultBuilder]: For program point L741-1(lines 737 748) no Hoare annotation was computed. [2022-01-10 06:32:54,450 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 737 748) the Hoare annotation is: true [2022-01-10 06:32:54,453 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 06:32:54,454 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:32:54,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:32:54 BoogieIcfgContainer [2022-01-10 06:32:54,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:32:54,472 INFO L158 Benchmark]: Toolchain (without parser) took 4074.84ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 124.6MB in the beginning and 169.1MB in the end (delta: -44.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:54,473 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:54,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 780.94ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 124.4MB in the beginning and 176.0MB in the end (delta: -51.6MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:54,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.94ms. Allocated memory is still 216.0MB. Free memory was 176.0MB in the beginning and 173.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:54,474 INFO L158 Benchmark]: Boogie Preprocessor took 28.82ms. Allocated memory is still 216.0MB. Free memory was 173.9MB in the beginning and 172.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:54,474 INFO L158 Benchmark]: RCFGBuilder took 471.87ms. Allocated memory is still 216.0MB. Free memory was 172.4MB in the beginning and 156.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 06:32:54,474 INFO L158 Benchmark]: TraceAbstraction took 2696.15ms. Allocated memory is still 216.0MB. Free memory was 156.1MB in the beginning and 169.1MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:54,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 780.94ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 124.4MB in the beginning and 176.0MB in the end (delta: -51.6MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 91.94ms. Allocated memory is still 216.0MB. Free memory was 176.0MB in the beginning and 173.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.82ms. Allocated memory is still 216.0MB. Free memory was 173.9MB in the beginning and 172.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 471.87ms. Allocated memory is still 216.0MB. Free memory was 172.4MB in the beginning and 156.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2696.15ms. Allocated memory is still 216.0MB. Free memory was 156.1MB in the beginning and 169.1MB in the end (delta: -13.0MB). There was no memory consumed. 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: 678]: 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 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 735 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 413 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 322 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 174 PreInvPairs, 212 NumberOfFragments, 150 HoareAnnotationTreeSize, 174 FomulaSimplifications, 27 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 629 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 6 NumberOfNonLiveVariables, 778 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 725]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (!(0bv32 == pumpRunning) || \result == 0bv32) && (!(0bv32 == pumpRunning) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (!(0bv32 == pumpRunning) || tmp == 0bv32) || !(methaneLevelCritical == 0bv32) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: !(0bv32 == pumpRunning) - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 06:32:54,519 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...