/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_BITWISE.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 12:25:39,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 12:25:39,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 12:25:39,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 12:25:39,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 12:25:39,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 12:25:39,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 12:25:39,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 12:25:39,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 12:25:39,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 12:25:39,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 12:25:39,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 12:25:39,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 12:25:39,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 12:25:39,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 12:25:39,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 12:25:39,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 12:25:39,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 12:25:39,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 12:25:39,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 12:25:39,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 12:25:39,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 12:25:39,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 12:25:39,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 12:25:39,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 12:25:39,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 12:25:39,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 12:25:39,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 12:25:39,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 12:25:39,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 12:25:39,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 12:25:39,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 12:25:39,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 12:25:39,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 12:25:39,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 12:25:39,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 12:25:39,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 12:25:39,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 12:25:39,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 12:25:39,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 12:25:39,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 12:25:39,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 12:25:39,391 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 12:25:39,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 12:25:39,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 12:25:39,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 12:25:39,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 12:25:39,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 12:25:39,393 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 12:25:39,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 12:25:39,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 12:25:39,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 12:25:39,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 12:25:39,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 12:25:39,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 12:25:39,394 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 12:25:39,394 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 12:25:39,394 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 12:25:39,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 12:25:39,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 12:25:39,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 12:25:39,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 12:25:39,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 12:25:39,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:25:39,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 12:25:39,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 12:25:39,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 12:25:39,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 12:25:39,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 12:25:39,396 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 12:25:39,396 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 12:25:39,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 12:25:39,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 12:25:39,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 12:25:39,397 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 12:25:39,397 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 12:25:39,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 12:25:39,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 12:25:39,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 12:25:39,628 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 12:25:39,629 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 12:25:39,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product60.cil.c [2022-01-10 12:25:39,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d93d251d/950e88f31d744822ba0b1f8b1b5f893e/FLAG16685c19d [2022-01-10 12:25:40,121 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 12:25:40,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product60.cil.c [2022-01-10 12:25:40,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d93d251d/950e88f31d744822ba0b1f8b1b5f893e/FLAG16685c19d [2022-01-10 12:25:40,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d93d251d/950e88f31d744822ba0b1f8b1b5f893e [2022-01-10 12:25:40,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 12:25:40,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 12:25:40,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 12:25:40,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 12:25:40,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 12:25:40,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa1d107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40, skipping insertion in model container [2022-01-10 12:25:40,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 12:25:40,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:25:40,518 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_product60.cil.c[16122,16135] [2022-01-10 12:25:40,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:25:40,557 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 12:25:40,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:25:40,616 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_product60.cil.c[16122,16135] [2022-01-10 12:25:40,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:25:40,631 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 12:25:40,673 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_product60.cil.c[16122,16135] [2022-01-10 12:25:40,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:25:40,708 INFO L208 MainTranslator]: Completed translation [2022-01-10 12:25:40,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40 WrapperNode [2022-01-10 12:25:40,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 12:25:40,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 12:25:40,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 12:25:40,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 12:25:40,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,785 INFO L137 Inliner]: procedures = 60, calls = 160, calls flagged for inlining = 57, calls inlined = 101, statements flattened = 768 [2022-01-10 12:25:40,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 12:25:40,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 12:25:40,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 12:25:40,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 12:25:40,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 12:25:40,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 12:25:40,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 12:25:40,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 12:25:40,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (1/1) ... [2022-01-10 12:25:40,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:25:40,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 12:25:40,895 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 12:25:40,944 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 12:25:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 12:25:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 12:25:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 12:25:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 12:25:41,051 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 12:25:41,053 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 12:25:41,379 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 12:25:41,385 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 12:25:41,385 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 12:25:41,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:25:41 BoogieIcfgContainer [2022-01-10 12:25:41,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 12:25:41,387 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 12:25:41,387 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 12:25:41,388 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 12:25:41,390 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:25:41" (1/1) ... [2022-01-10 12:25:41,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:25:41 BasicIcfg [2022-01-10 12:25:41,471 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 12:25:41,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 12:25:41,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 12:25:41,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 12:25:41,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:25:40" (1/4) ... [2022-01-10 12:25:41,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663bad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:25:41, skipping insertion in model container [2022-01-10 12:25:41,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:40" (2/4) ... [2022-01-10 12:25:41,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663bad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:25:41, skipping insertion in model container [2022-01-10 12:25:41,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:25:41" (3/4) ... [2022-01-10 12:25:41,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663bad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:25:41, skipping insertion in model container [2022-01-10 12:25:41,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:25:41" (4/4) ... [2022-01-10 12:25:41,476 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product60.cil.cTransformedIcfg [2022-01-10 12:25:41,479 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 12:25:41,479 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-10 12:25:41,521 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 12:25:41,525 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 12:25:41,526 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-10 12:25:41,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 196 states have (on average 1.3775510204081634) internal successors, (270), 199 states have internal predecessors, (270), 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 12:25:41,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 12:25:41,540 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:41,541 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:25:41,541 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:25:41,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:41,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2013727551, now seen corresponding path program 1 times [2022-01-10 12:25:41,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:41,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953891799] [2022-01-10 12:25:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:41,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:41,731 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 12:25:41,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:41,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953891799] [2022-01-10 12:25:41,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953891799] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:41,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:41,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:25:41,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938143240] [2022-01-10 12:25:41,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:41,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 12:25:41,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:41,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 12:25:41,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 12:25:41,765 INFO L87 Difference]: Start difference. First operand has 200 states, 196 states have (on average 1.3775510204081634) internal successors, (270), 199 states have internal predecessors, (270), 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) [2022-01-10 12:25:41,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:41,808 INFO L93 Difference]: Finished difference Result 390 states and 529 transitions. [2022-01-10 12:25:41,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 12:25:41,810 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 [2022-01-10 12:25:41,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:41,822 INFO L225 Difference]: With dead ends: 390 [2022-01-10 12:25:41,822 INFO L226 Difference]: Without dead ends: 190 [2022-01-10 12:25:41,825 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 [2022-01-10 12:25:41,827 INFO L933 BasicCegarLoop]: 260 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, 260 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 12:25:41,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:25:41,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-01-10 12:25:41,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2022-01-10 12:25:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 189 states have internal predecessors, (252), 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 12:25:41,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 252 transitions. [2022-01-10 12:25:41,878 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 252 transitions. Word has length 19 [2022-01-10 12:25:41,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:41,880 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 252 transitions. [2022-01-10 12:25:41,880 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) [2022-01-10 12:25:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 252 transitions. [2022-01-10 12:25:41,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 12:25:41,883 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:41,883 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:25:41,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 12:25:41,883 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:25:41,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:41,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1467030482, now seen corresponding path program 1 times [2022-01-10 12:25:41,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:41,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708896786] [2022-01-10 12:25:41,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:41,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:41,994 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 12:25:41,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:41,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708896786] [2022-01-10 12:25:41,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708896786] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:41,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:41,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:25:41,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486547325] [2022-01-10 12:25:41,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:41,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:25:41,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:41,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:25:41,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:25:41,998 INFO L87 Difference]: Start difference. First operand 190 states and 252 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) [2022-01-10 12:25:42,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:42,053 INFO L93 Difference]: Finished difference Result 440 states and 587 transitions. [2022-01-10 12:25:42,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:25:42,054 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 [2022-01-10 12:25:42,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:42,055 INFO L225 Difference]: With dead ends: 440 [2022-01-10 12:25:42,055 INFO L226 Difference]: Without dead ends: 257 [2022-01-10 12:25:42,056 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 [2022-01-10 12:25:42,057 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 235 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:25:42,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 345 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:25:42,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-01-10 12:25:42,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 248. [2022-01-10 12:25:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 245 states have (on average 1.3551020408163266) internal successors, (332), 247 states have internal predecessors, (332), 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 12:25:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 332 transitions. [2022-01-10 12:25:42,104 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 332 transitions. Word has length 20 [2022-01-10 12:25:42,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:42,105 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 332 transitions. [2022-01-10 12:25:42,105 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) [2022-01-10 12:25:42,105 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 332 transitions. [2022-01-10 12:25:42,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 12:25:42,106 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:42,106 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 12:25:42,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 12:25:42,106 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:25:42,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:42,107 INFO L85 PathProgramCache]: Analyzing trace with hash 2050259415, now seen corresponding path program 1 times [2022-01-10 12:25:42,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:42,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380537034] [2022-01-10 12:25:42,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:42,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:42,151 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 12:25:42,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:42,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380537034] [2022-01-10 12:25:42,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380537034] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:42,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:42,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:25:42,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283327024] [2022-01-10 12:25:42,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:42,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:25:42,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:42,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:25:42,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:25:42,153 INFO L87 Difference]: Start difference. First operand 248 states and 332 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 12:25:42,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:42,243 INFO L93 Difference]: Finished difference Result 558 states and 743 transitions. [2022-01-10 12:25:42,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:25:42,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2022-01-10 12:25:42,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:42,245 INFO L225 Difference]: With dead ends: 558 [2022-01-10 12:25:42,245 INFO L226 Difference]: Without dead ends: 317 [2022-01-10 12:25:42,246 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 [2022-01-10 12:25:42,246 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 175 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:25:42,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 353 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:25:42,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2022-01-10 12:25:42,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 311. [2022-01-10 12:25:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 308 states have (on average 1.3051948051948052) internal successors, (402), 310 states have internal predecessors, (402), 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 12:25:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 402 transitions. [2022-01-10 12:25:42,266 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 402 transitions. Word has length 25 [2022-01-10 12:25:42,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:42,266 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 402 transitions. [2022-01-10 12:25:42,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 12:25:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 402 transitions. [2022-01-10 12:25:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 12:25:42,267 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:42,267 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 12:25:42,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 12:25:42,268 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:25:42,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:42,268 INFO L85 PathProgramCache]: Analyzing trace with hash -964085832, now seen corresponding path program 1 times [2022-01-10 12:25:42,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:42,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701888792] [2022-01-10 12:25:42,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:42,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:42,366 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 12:25:42,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:42,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701888792] [2022-01-10 12:25:42,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701888792] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:42,367 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:42,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 12:25:42,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472428131] [2022-01-10 12:25:42,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:42,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:25:42,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:42,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:25:42,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:25:42,369 INFO L87 Difference]: Start difference. First operand 311 states and 402 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 12:25:42,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:42,645 INFO L93 Difference]: Finished difference Result 1742 states and 2256 transitions. [2022-01-10 12:25:42,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 12:25:42,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2022-01-10 12:25:42,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:42,649 INFO L225 Difference]: With dead ends: 1742 [2022-01-10 12:25:42,649 INFO L226 Difference]: Without dead ends: 997 [2022-01-10 12:25:42,651 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 [2022-01-10 12:25:42,652 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 1164 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 12:25:42,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1164 Valid, 1460 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 12:25:42,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2022-01-10 12:25:42,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 429. [2022-01-10 12:25:42,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 426 states have (on average 1.295774647887324) internal successors, (552), 428 states have internal predecessors, (552), 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 12:25:42,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 552 transitions. [2022-01-10 12:25:42,680 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 552 transitions. Word has length 30 [2022-01-10 12:25:42,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:42,680 INFO L470 AbstractCegarLoop]: Abstraction has 429 states and 552 transitions. [2022-01-10 12:25:42,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 12:25:42,681 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 552 transitions. [2022-01-10 12:25:42,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 12:25:42,681 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:42,682 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:25:42,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 12:25:42,682 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:25:42,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:42,682 INFO L85 PathProgramCache]: Analyzing trace with hash 67523186, now seen corresponding path program 1 times [2022-01-10 12:25:42,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:42,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639729305] [2022-01-10 12:25:42,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:42,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 12:25:42,710 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 12:25:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 12:25:42,744 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 12:25:42,745 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 12:25:42,745 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-10 12:25:42,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-10 12:25:42,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-10 12:25:42,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 12:25:42,749 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 12:25:42,751 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 12:25:42,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:25:42 BasicIcfg [2022-01-10 12:25:42,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 12:25:42,791 INFO L158 Benchmark]: Toolchain (without parser) took 2632.61ms. Allocated memory was 180.4MB in the beginning and 224.4MB in the end (delta: 44.0MB). Free memory was 128.9MB in the beginning and 95.5MB in the end (delta: 33.4MB). Peak memory consumption was 78.1MB. Max. memory is 8.0GB. [2022-01-10 12:25:42,791 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory was 146.2MB in the beginning and 146.0MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 12:25:42,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.69ms. Allocated memory is still 180.4MB. Free memory was 128.8MB in the beginning and 141.0MB in the end (delta: -12.2MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2022-01-10 12:25:42,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.60ms. Allocated memory is still 180.4MB. Free memory was 141.0MB in the beginning and 137.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 12:25:42,792 INFO L158 Benchmark]: Boogie Preprocessor took 43.66ms. Allocated memory is still 180.4MB. Free memory was 137.3MB in the beginning and 134.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 12:25:42,792 INFO L158 Benchmark]: RCFGBuilder took 555.67ms. Allocated memory is still 180.4MB. Free memory was 134.7MB in the beginning and 107.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-01-10 12:25:42,792 INFO L158 Benchmark]: IcfgTransformer took 84.06ms. Allocated memory is still 180.4MB. Free memory was 107.4MB in the beginning and 96.4MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-10 12:25:42,793 INFO L158 Benchmark]: TraceAbstraction took 1318.23ms. Allocated memory was 180.4MB in the beginning and 224.4MB in the end (delta: 44.0MB). Free memory was 96.4MB in the beginning and 95.5MB in the end (delta: 913.5kB). Peak memory consumption was 45.0MB. Max. memory is 8.0GB. [2022-01-10 12:25:42,794 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 180.4MB. Free memory was 146.2MB in the beginning and 146.0MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 548.69ms. Allocated memory is still 180.4MB. Free memory was 128.8MB in the beginning and 141.0MB in the end (delta: -12.2MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.60ms. Allocated memory is still 180.4MB. Free memory was 141.0MB in the beginning and 137.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.66ms. Allocated memory is still 180.4MB. Free memory was 137.3MB in the beginning and 134.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 555.67ms. Allocated memory is still 180.4MB. Free memory was 134.7MB in the beginning and 107.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * IcfgTransformer took 84.06ms. Allocated memory is still 180.4MB. Free memory was 107.4MB in the beginning and 96.4MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1318.23ms. Allocated memory was 180.4MB in the beginning and 224.4MB in the end (delta: 44.0MB). Free memory was 96.4MB in the beginning and 95.5MB in the end (delta: 913.5kB). Peak memory consumption was 45.0MB. 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: 779]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L134] int pumpRunning = 0; [L135] int systemActive = 1; [L578] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L822] int waterLevel = 1; [L823] int methaneLevelCritical = 0; [L925] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L998] int retValue_acc ; [L999] int tmp ; [L1003] FCALL select_helpers() [L1004] FCALL select_features() [L1005] CALL, EXPR valid_product() [L813] int retValue_acc ; [L816] retValue_acc = 1 [L817] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L1005] RET, EXPR valid_product() [L1005] tmp = valid_product() [L1007] COND TRUE \read(tmp) [L1009] FCALL setup() [L1010] CALL runTest() [L992] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L66] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L68] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L74] tmp = __VERIFIER_nondet_int() [L76] COND TRUE \read(tmp) [L78] CALL waterRise() [L840] COND TRUE waterLevel < 2 [L841] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L78] RET waterRise() [L84] tmp___0 = __VERIFIER_nondet_int() [L86] 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] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L102] tmp___1 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___1) [L106] CALL stopSystem() [L353] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L360] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L106] RET stopSystem() [L113] CALL timeShift() [L142] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L149] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L157] CALL __utac_acc__Specification3_spec__1() [L376] int tmp ; [L377] int tmp___0 ; [L378] int tmp___1 ; [L382] CALL, EXPR isMethaneLevelCritical() [L861] int retValue_acc ; [L864] retValue_acc = methaneLevelCritical [L865] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L382] RET, EXPR isMethaneLevelCritical() [L382] tmp = isMethaneLevelCritical() [L384] COND FALSE !(\read(tmp)) [L388] CALL, EXPR getWaterLevel() [L893] int retValue_acc ; [L896] retValue_acc = waterLevel [L897] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L388] RET, EXPR getWaterLevel() [L388] tmp___0 = getWaterLevel() [L390] COND TRUE tmp___0 == 2 [L392] CALL, EXPR isPumpRunning() [L267] int retValue_acc ; [L270] retValue_acc = pumpRunning [L271] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L392] RET, EXPR isPumpRunning() [L392] tmp___1 = isPumpRunning() [L394] COND FALSE !(\read(tmp___1)) [L398] CALL __automaton_fail() [L779] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 779]: 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: 779]: 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, 200 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1574 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1574 mSDsluCounter, 2418 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1240 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 212 IncrementalHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 1178 mSDtfsCounter, 212 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=429occurred in iteration=4, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 583 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2022-01-10 12:25:42,807 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...