/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 00:04:59,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 00:04:59,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 00:04:59,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 00:04:59,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 00:04:59,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 00:04:59,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 00:04:59,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 00:04:59,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 00:04:59,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 00:04:59,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 00:04:59,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 00:04:59,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 00:04:59,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 00:04:59,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 00:04:59,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 00:04:59,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 00:04:59,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 00:04:59,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 00:04:59,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 00:04:59,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 00:04:59,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 00:04:59,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 00:04:59,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 00:04:59,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 00:04:59,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 00:04:59,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 00:04:59,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 00:04:59,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 00:04:59,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 00:04:59,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 00:04:59,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 00:04:59,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 00:04:59,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 00:04:59,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 00:04:59,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 00:04:59,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 00:04:59,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 00:04:59,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 00:04:59,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 00:04:59,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 00:04:59,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-11 00:04:59,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 00:04:59,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 00:04:59,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 00:04:59,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 00:04:59,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 00:04:59,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 00:04:59,216 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 00:04:59,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 00:04:59,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 00:04:59,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 00:04:59,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 00:04:59,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 00:04:59,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 00:04:59,217 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 00:04:59,217 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 00:04:59,217 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 00:04:59,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 00:04:59,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 00:04:59,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 00:04:59,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 00:04:59,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 00:04:59,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:04:59,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 00:04:59,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 00:04:59,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 00:04:59,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 00:04:59,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 00:04:59,218 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 00:04:59,218 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 00:04:59,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 00:04:59,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 00:04:59,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 00:04:59,219 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 00:04:59,219 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 00:04:59,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 00:04:59,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 00:04:59,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 00:04:59,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 00:04:59,434 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 00:04:59,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c [2022-01-11 00:04:59,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd423ef1/fcca045b25314482b60c6242a852906f/FLAG03eda3b3b [2022-01-11 00:04:59,864 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 00:04:59,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c [2022-01-11 00:04:59,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd423ef1/fcca045b25314482b60c6242a852906f/FLAG03eda3b3b [2022-01-11 00:04:59,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd423ef1/fcca045b25314482b60c6242a852906f [2022-01-11 00:04:59,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 00:04:59,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 00:04:59,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 00:04:59,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 00:04:59,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 00:04:59,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:04:59" (1/1) ... [2022-01-11 00:04:59,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b26730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:59, skipping insertion in model container [2022-01-11 00:04:59,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:04:59" (1/1) ... [2022-01-11 00:04:59,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 00:04:59,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:05:00,194 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_spec3_product27.cil.c[5608,5621] [2022-01-11 00:05:00,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:00,282 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-11 00:05:00,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:05:00,319 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_spec3_product27.cil.c[5608,5621] [2022-01-11 00:05:00,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:00,351 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 00:05:00,366 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_spec3_product27.cil.c[5608,5621] [2022-01-11 00:05:00,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:00,392 INFO L208 MainTranslator]: Completed translation [2022-01-11 00:05:00,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00 WrapperNode [2022-01-11 00:05:00,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 00:05:00,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 00:05:00,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 00:05:00,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 00:05:00,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,431 INFO L137 Inliner]: procedures = 56, calls = 154, calls flagged for inlining = 51, calls inlined = 52, statements flattened = 417 [2022-01-11 00:05:00,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 00:05:00,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 00:05:00,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 00:05:00,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 00:05:00,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 00:05:00,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 00:05:00,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 00:05:00,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 00:05:00,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:05:00,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 00:05:00,492 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) [2022-01-11 00:05:00,494 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 [2022-01-11 00:05:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 00:05:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 00:05:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 00:05:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 00:05:00,594 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 00:05:00,596 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 00:05:00,868 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 00:05:00,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 00:05:00,873 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-11 00:05:00,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:00 BoogieIcfgContainer [2022-01-11 00:05:00,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 00:05:00,874 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 00:05:00,875 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 00:05:00,877 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 00:05:00,879 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:00" (1/1) ... [2022-01-11 00:05:00,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 12:05:00 BasicIcfg [2022-01-11 00:05:00,983 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 00:05:00,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 00:05:00,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 00:05:00,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 00:05:00,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 12:04:59" (1/4) ... [2022-01-11 00:05:00,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fa0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:05:00, skipping insertion in model container [2022-01-11 00:05:00,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:00" (2/4) ... [2022-01-11 00:05:00,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fa0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:05:00, skipping insertion in model container [2022-01-11 00:05:00,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:00" (3/4) ... [2022-01-11 00:05:00,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fa0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 12:05:00, skipping insertion in model container [2022-01-11 00:05:00,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 12:05:00" (4/4) ... [2022-01-11 00:05:00,994 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product27.cil.cTransformedIcfg [2022-01-11 00:05:00,998 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 00:05:00,998 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-11 00:05:01,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 00:05:01,040 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 [2022-01-11 00:05:01,041 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-11 00:05:01,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 111 states have (on average 1.3963963963963963) internal successors, (155), 114 states have internal predecessors, (155), 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) [2022-01-11 00:05:01,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-11 00:05:01,058 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:01,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 00:05:01,058 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:01,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:01,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1918955615, now seen corresponding path program 1 times [2022-01-11 00:05:01,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:01,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865368304] [2022-01-11 00:05:01,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:01,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 00:05:01,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:01,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865368304] [2022-01-11 00:05:01,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865368304] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:01,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:01,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:05:01,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216242329] [2022-01-11 00:05:01,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:01,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 00:05:01,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:01,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 00:05:01,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 00:05:01,310 INFO L87 Difference]: Start difference. First operand has 115 states, 111 states have (on average 1.3963963963963963) internal successors, (155), 114 states have internal predecessors, (155), 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) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-01-11 00:05:01,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:01,346 INFO L93 Difference]: Finished difference Result 220 states and 299 transitions. [2022-01-11 00:05:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 00:05:01,348 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) Word has length 19 [2022-01-11 00:05:01,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:01,356 INFO L225 Difference]: With dead ends: 220 [2022-01-11 00:05:01,356 INFO L226 Difference]: Without dead ends: 105 [2022-01-11 00:05:01,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 00:05:01,363 INFO L933 BasicCegarLoop]: 145 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, 145 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 [2022-01-11 00:05:01,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:05:01,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-01-11 00:05:01,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-01-11 00:05:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 104 states have internal predecessors, (137), 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) [2022-01-11 00:05:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 137 transitions. [2022-01-11 00:05:01,403 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 137 transitions. Word has length 19 [2022-01-11 00:05:01,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:01,404 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 137 transitions. [2022-01-11 00:05:01,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-01-11 00:05:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2022-01-11 00:05:01,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-11 00:05:01,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:01,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 00:05:01,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 00:05:01,409 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:01,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:01,410 INFO L85 PathProgramCache]: Analyzing trace with hash -610750549, now seen corresponding path program 1 times [2022-01-11 00:05:01,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:01,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995531570] [2022-01-11 00:05:01,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:01,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 00:05:01,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:01,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995531570] [2022-01-11 00:05:01,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995531570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:01,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:01,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:05:01,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704944195] [2022-01-11 00:05:01,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:01,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 00:05:01,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:01,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 00:05:01,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 00:05:01,478 INFO L87 Difference]: Start difference. First operand 105 states and 137 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2022-01-11 00:05:01,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:01,510 INFO L93 Difference]: Finished difference Result 270 states and 357 transitions. [2022-01-11 00:05:01,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 00:05:01,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) Word has length 20 [2022-01-11 00:05:01,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:01,512 INFO L225 Difference]: With dead ends: 270 [2022-01-11 00:05:01,512 INFO L226 Difference]: Without dead ends: 172 [2022-01-11 00:05:01,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 00:05:01,513 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 121 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 00:05:01,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 218 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:05:01,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-01-11 00:05:01,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 163. [2022-01-11 00:05:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 160 states have (on average 1.35625) internal successors, (217), 162 states have internal predecessors, (217), 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) [2022-01-11 00:05:01,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 217 transitions. [2022-01-11 00:05:01,535 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 217 transitions. Word has length 20 [2022-01-11 00:05:01,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:01,535 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 217 transitions. [2022-01-11 00:05:01,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2022-01-11 00:05:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 217 transitions. [2022-01-11 00:05:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-11 00:05:01,536 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:01,536 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] [2022-01-11 00:05:01,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 00:05:01,536 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:01,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:01,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1924798737, now seen corresponding path program 1 times [2022-01-11 00:05:01,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:01,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5694691] [2022-01-11 00:05:01,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:01,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 00:05:01,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:01,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5694691] [2022-01-11 00:05:01,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5694691] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:01,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:01,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 00:05:01,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161169393] [2022-01-11 00:05:01,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:01,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 00:05:01,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:01,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 00:05:01,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 00:05:01,625 INFO L87 Difference]: Start difference. First operand 163 states and 217 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-01-11 00:05:01,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:01,864 INFO L93 Difference]: Finished difference Result 859 states and 1164 transitions. [2022-01-11 00:05:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-11 00:05:01,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 23 [2022-01-11 00:05:01,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:01,868 INFO L225 Difference]: With dead ends: 859 [2022-01-11 00:05:01,868 INFO L226 Difference]: Without dead ends: 505 [2022-01-11 00:05:01,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-11 00:05:01,870 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 576 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-11 00:05:01,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [576 Valid, 751 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-11 00:05:01,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-01-11 00:05:01,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 225. [2022-01-11 00:05:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 222 states have (on average 1.3513513513513513) internal successors, (300), 224 states have internal predecessors, (300), 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) [2022-01-11 00:05:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 300 transitions. [2022-01-11 00:05:01,887 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 300 transitions. Word has length 23 [2022-01-11 00:05:01,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:01,887 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 300 transitions. [2022-01-11 00:05:01,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-01-11 00:05:01,887 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 300 transitions. [2022-01-11 00:05:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-11 00:05:01,888 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:01,888 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] [2022-01-11 00:05:01,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 00:05:01,888 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:01,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:01,889 INFO L85 PathProgramCache]: Analyzing trace with hash -547413402, now seen corresponding path program 1 times [2022-01-11 00:05:01,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:01,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88687765] [2022-01-11 00:05:01,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:01,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 00:05:01,914 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 00:05:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 00:05:01,957 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 00:05:01,957 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 00:05:01,958 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-11 00:05:01,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-11 00:05:01,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-11 00:05:01,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 00:05:01,961 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-11 00:05:01,966 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 00:05:02,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 12:05:02 BasicIcfg [2022-01-11 00:05:02,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 00:05:02,020 INFO L158 Benchmark]: Toolchain (without parser) took 2122.76ms. Allocated memory is still 255.9MB. Free memory was 200.7MB in the beginning and 92.2MB in the end (delta: 108.6MB). Peak memory consumption was 108.5MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,020 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 255.9MB. Free memory is still 218.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 00:05:02,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.66ms. Allocated memory is still 255.9MB. Free memory was 200.5MB in the beginning and 213.8MB in the end (delta: -13.3MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.09ms. Allocated memory is still 255.9MB. Free memory was 213.8MB in the beginning and 211.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,021 INFO L158 Benchmark]: Boogie Preprocessor took 30.37ms. Allocated memory is still 255.9MB. Free memory was 211.2MB in the beginning and 209.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,022 INFO L158 Benchmark]: RCFGBuilder took 411.36ms. Allocated memory is still 255.9MB. Free memory was 209.1MB in the beginning and 189.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,022 INFO L158 Benchmark]: IcfgTransformer took 108.40ms. Allocated memory is still 255.9MB. Free memory was 189.7MB in the beginning and 182.3MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,022 INFO L158 Benchmark]: TraceAbstraction took 1030.87ms. Allocated memory is still 255.9MB. Free memory was 182.3MB in the beginning and 92.2MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. Max. memory is 8.0GB. [2022-01-11 00:05:02,038 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 255.9MB. Free memory is still 218.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 492.66ms. Allocated memory is still 255.9MB. Free memory was 200.5MB in the beginning and 213.8MB in the end (delta: -13.3MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.09ms. Allocated memory is still 255.9MB. Free memory was 213.8MB in the beginning and 211.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.37ms. Allocated memory is still 255.9MB. Free memory was 211.2MB in the beginning and 209.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 411.36ms. Allocated memory is still 255.9MB. Free memory was 209.1MB in the beginning and 189.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * IcfgTransformer took 108.40ms. Allocated memory is still 255.9MB. Free memory was 189.7MB in the beginning and 182.3MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1030.87ms. Allocated memory is still 255.9MB. Free memory was 182.3MB in the beginning and 92.2MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. 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 - CounterExampleResult [Line: 356]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int waterLevel = 1; [L766] int methaneLevelCritical = 0; [L854] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L928] int tmp ; [L932] FCALL select_helpers() [L933] FCALL select_features() [L934] CALL, EXPR valid_product() [L390] int retValue_acc ; [L393] retValue_acc = 1 [L394] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L934] RET, EXPR valid_product() [L934] tmp = valid_product() [L936] COND TRUE \read(tmp) [L938] FCALL setup() [L939] CALL runTest() [L921] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) [L77] CALL waterRise() [L783] COND TRUE waterLevel < 2 [L784] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] RET waterRise() [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification3_spec__1() [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; [L325] CALL, EXPR isMethaneLevelCritical() [L804] int retValue_acc ; [L807] retValue_acc = methaneLevelCritical [L808] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L325] RET, EXPR isMethaneLevelCritical() [L325] tmp = isMethaneLevelCritical() [L327] COND FALSE !(\read(tmp)) [L331] CALL, EXPR getWaterLevel() [L836] int retValue_acc ; [L839] retValue_acc = waterLevel [L840] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L331] RET, EXPR getWaterLevel() [L331] tmp___0 = getWaterLevel() [L333] COND TRUE tmp___0 == 2 [L335] CALL, EXPR isPumpRunning() [L237] int retValue_acc ; [L240] retValue_acc = pumpRunning [L241] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L335] RET, EXPR isPumpRunning() [L335] tmp___1 = isPumpRunning() [L337] COND FALSE !(\read(tmp___1)) [L341] CALL __automaton_fail() [L356] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 356]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 356]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 697 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 697 mSDsluCounter, 1114 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 621 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 493 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 289 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! [2022-01-11 00:05:02,059 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...