/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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 00:05:23,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 00:05:23,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 00:05:23,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 00:05:23,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 00:05:23,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 00:05:23,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 00:05:23,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 00:05:23,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 00:05:23,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 00:05:23,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 00:05:23,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 00:05:23,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 00:05:23,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 00:05:23,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 00:05:23,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 00:05:23,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 00:05:23,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 00:05:23,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 00:05:23,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 00:05:23,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 00:05:23,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 00:05:23,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 00:05:23,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 00:05:23,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 00:05:23,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 00:05:23,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 00:05:23,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 00:05:23,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 00:05:23,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 00:05:23,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 00:05:23,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 00:05:23,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 00:05:23,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 00:05:23,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 00:05:23,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 00:05:23,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 00:05:23,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 00:05:23,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 00:05:23,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 00:05:23,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 00:05:23,076 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 00:05:23,108 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 00:05:23,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 00:05:23,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 00:05:23,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 00:05:23,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 00:05:23,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 00:05:23,109 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 00:05:23,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 00:05:23,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 00:05:23,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 00:05:23,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 00:05:23,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 00:05:23,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 00:05:23,110 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 00:05:23,110 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 00:05:23,110 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 00:05:23,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 00:05:23,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 00:05:23,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 00:05:23,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 00:05:23,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 00:05:23,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:05:23,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 00:05:23,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 00:05:23,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 00:05:23,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 00:05:23,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 00:05:23,111 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 00:05:23,112 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 00:05:23,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 00:05:23,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 00:05:23,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 00:05:23,112 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 00:05:23,112 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 00:05:23,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 00:05:23,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 00:05:23,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 00:05:23,321 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 00:05:23,322 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 00:05:23,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c [2022-01-11 00:05:23,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befd7ad37/06d301811f1a4e66af8a6067f46bc3b5/FLAG80c9071d4 [2022-01-11 00:05:23,782 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 00:05:23,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c [2022-01-11 00:05:23,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befd7ad37/06d301811f1a4e66af8a6067f46bc3b5/FLAG80c9071d4 [2022-01-11 00:05:23,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befd7ad37/06d301811f1a4e66af8a6067f46bc3b5 [2022-01-11 00:05:23,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 00:05:23,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 00:05:23,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 00:05:23,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 00:05:23,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 00:05:23,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:05:23" (1/1) ... [2022-01-11 00:05:23,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469fba74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:23, skipping insertion in model container [2022-01-11 00:05:23,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:05:23" (1/1) ... [2022-01-11 00:05:23,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 00:05:23,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:05:24,169 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_product56.cil.c[19275,19288] [2022-01-11 00:05:24,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:24,183 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-11 00:05:24,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:05:24,253 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_product56.cil.c[19275,19288] [2022-01-11 00:05:24,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:24,262 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 00:05:24,311 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_product56.cil.c[19275,19288] [2022-01-11 00:05:24,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:05:24,323 INFO L208 MainTranslator]: Completed translation [2022-01-11 00:05:24,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24 WrapperNode [2022-01-11 00:05:24,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 00:05:24,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 00:05:24,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 00:05:24,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 00:05:24,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (1/1) ... [2022-01-11 00:05:24,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (1/1) ... [2022-01-11 00:05:24,394 INFO L137 Inliner]: procedures = 60, calls = 162, calls flagged for inlining = 59, calls inlined = 143, statements flattened = 1044 [2022-01-11 00:05:24,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 00:05:24,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 00:05:24,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 00:05:24,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 00:05:24,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (1/1) ... [2022-01-11 00:05:24,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (1/1) ... [2022-01-11 00:05:24,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (1/1) ... [2022-01-11 00:05:24,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (1/1) ... [2022-01-11 00:05:24,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (1/1) ... [2022-01-11 00:05:24,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (1/1) ... [2022-01-11 00:05:24,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (1/1) ... [2022-01-11 00:05:24,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 00:05:24,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 00:05:24,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 00:05:24,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 00:05:24,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (1/1) ... [2022-01-11 00:05:24,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:05:24,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 00:05:24,488 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 00:05:24,489 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 00:05:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 00:05:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 00:05:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 00:05:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 00:05:24,599 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 00:05:24,600 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 00:05:25,159 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 00:05:25,170 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 00:05:25,171 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-11 00:05:25,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:25 BoogieIcfgContainer [2022-01-11 00:05:25,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 00:05:25,173 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 00:05:25,173 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 00:05:25,177 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 00:05:25,179 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:25" (1/1) ... [2022-01-11 00:05:25,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 12:05:25 BasicIcfg [2022-01-11 00:05:25,340 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 00:05:25,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 00:05:25,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 00:05:25,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 00:05:25,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 12:05:23" (1/4) ... [2022-01-11 00:05:25,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5dbc06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:05:25, skipping insertion in model container [2022-01-11 00:05:25,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:05:24" (2/4) ... [2022-01-11 00:05:25,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5dbc06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:05:25, skipping insertion in model container [2022-01-11 00:05:25,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:05:25" (3/4) ... [2022-01-11 00:05:25,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5dbc06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 12:05:25, skipping insertion in model container [2022-01-11 00:05:25,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 12:05:25" (4/4) ... [2022-01-11 00:05:25,346 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product56.cil.cTransformedIcfg [2022-01-11 00:05:25,350 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 00:05:25,350 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-11 00:05:25,396 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 00:05:25,403 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 00:05:25,403 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-11 00:05:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 284 states, 280 states have (on average 1.3821428571428571) internal successors, (387), 283 states have internal predecessors, (387), 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 00:05:25,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-11 00:05:25,427 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:25,428 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 00:05:25,428 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 00:05:25,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:25,433 INFO L85 PathProgramCache]: Analyzing trace with hash 251681479, now seen corresponding path program 1 times [2022-01-11 00:05:25,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:25,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951054801] [2022-01-11 00:05:25,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:25,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:25,584 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 00:05:25,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:25,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951054801] [2022-01-11 00:05:25,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951054801] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:25,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:25,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:05:25,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092292212] [2022-01-11 00:05:25,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:25,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 00:05:25,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:25,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 00:05:25,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 00:05:25,610 INFO L87 Difference]: Start difference. First operand has 284 states, 280 states have (on average 1.3821428571428571) internal successors, (387), 283 states have internal predecessors, (387), 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 00:05:25,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:25,639 INFO L93 Difference]: Finished difference Result 558 states and 763 transitions. [2022-01-11 00:05:25,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 00:05:25,641 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 00:05:25,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:25,647 INFO L225 Difference]: With dead ends: 558 [2022-01-11 00:05:25,647 INFO L226 Difference]: Without dead ends: 274 [2022-01-11 00:05:25,651 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 00:05:25,653 INFO L933 BasicCegarLoop]: 377 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, 377 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 00:05:25,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:05:25,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2022-01-11 00:05:25,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2022-01-11 00:05:25,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 271 states have (on average 1.3616236162361623) internal successors, (369), 273 states have internal predecessors, (369), 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 00:05:25,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 369 transitions. [2022-01-11 00:05:25,687 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 369 transitions. Word has length 19 [2022-01-11 00:05:25,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:25,688 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 369 transitions. [2022-01-11 00:05:25,688 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 00:05:25,688 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 369 transitions. [2022-01-11 00:05:25,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-11 00:05:25,689 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:25,689 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 00:05:25,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 00:05:25,689 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 00:05:25,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:25,690 INFO L85 PathProgramCache]: Analyzing trace with hash -845802723, now seen corresponding path program 1 times [2022-01-11 00:05:25,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:25,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129826265] [2022-01-11 00:05:25,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:25,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:25,817 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 00:05:25,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:25,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129826265] [2022-01-11 00:05:25,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129826265] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:25,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:25,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:05:25,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058587809] [2022-01-11 00:05:25,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:25,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 00:05:25,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:25,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 00:05:25,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 00:05:25,820 INFO L87 Difference]: Start difference. First operand 274 states and 369 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 00:05:25,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:25,861 INFO L93 Difference]: Finished difference Result 608 states and 821 transitions. [2022-01-11 00:05:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 00:05:25,861 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 00:05:25,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:25,863 INFO L225 Difference]: With dead ends: 608 [2022-01-11 00:05:25,863 INFO L226 Difference]: Without dead ends: 341 [2022-01-11 00:05:25,864 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 00:05:25,865 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 352 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 462 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 [2022-01-11 00:05:25,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 462 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 00:05:25,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-01-11 00:05:25,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2022-01-11 00:05:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 329 states have (on average 1.364741641337386) internal successors, (449), 331 states have internal predecessors, (449), 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 00:05:25,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 449 transitions. [2022-01-11 00:05:25,892 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 449 transitions. Word has length 20 [2022-01-11 00:05:25,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:25,892 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 449 transitions. [2022-01-11 00:05:25,892 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 00:05:25,892 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 449 transitions. [2022-01-11 00:05:25,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-11 00:05:25,893 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:25,894 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 00:05:25,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 00:05:25,894 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 00:05:25,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:25,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1416495063, now seen corresponding path program 1 times [2022-01-11 00:05:25,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:25,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715127068] [2022-01-11 00:05:25,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:25,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:25,960 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 00:05:25,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:25,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715127068] [2022-01-11 00:05:25,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715127068] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:25,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:25,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 00:05:25,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193742536] [2022-01-11 00:05:25,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:25,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 00:05:25,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:25,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 00:05:25,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 00:05:25,962 INFO L87 Difference]: Start difference. First operand 332 states and 449 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 00:05:26,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:26,048 INFO L93 Difference]: Finished difference Result 675 states and 908 transitions. [2022-01-11 00:05:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 00:05:26,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 26 [2022-01-11 00:05:26,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:26,050 INFO L225 Difference]: With dead ends: 675 [2022-01-11 00:05:26,050 INFO L226 Difference]: Without dead ends: 350 [2022-01-11 00:05:26,051 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 00:05:26,052 INFO L933 BasicCegarLoop]: 298 mSDtfsCounter, 190 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 00:05:26,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 430 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 00:05:26,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-01-11 00:05:26,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 344. [2022-01-11 00:05:26,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 341 states have (on average 1.3020527859237536) internal successors, (444), 343 states have internal predecessors, (444), 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 00:05:26,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 444 transitions. [2022-01-11 00:05:26,065 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 444 transitions. Word has length 26 [2022-01-11 00:05:26,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:26,066 INFO L470 AbstractCegarLoop]: Abstraction has 344 states and 444 transitions. [2022-01-11 00:05:26,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 00:05:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 444 transitions. [2022-01-11 00:05:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-11 00:05:26,067 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:26,067 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] [2022-01-11 00:05:26,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 00:05:26,067 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 00:05:26,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:26,068 INFO L85 PathProgramCache]: Analyzing trace with hash -861734067, now seen corresponding path program 1 times [2022-01-11 00:05:26,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:26,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259815573] [2022-01-11 00:05:26,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:26,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 00:05:26,116 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 00:05:26,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 00:05:26,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259815573] [2022-01-11 00:05:26,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259815573] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 00:05:26,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 00:05:26,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 00:05:26,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307932550] [2022-01-11 00:05:26,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 00:05:26,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 00:05:26,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 00:05:26,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 00:05:26,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 00:05:26,118 INFO L87 Difference]: Start difference. First operand 344 states and 444 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) [2022-01-11 00:05:26,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 00:05:26,394 INFO L93 Difference]: Finished difference Result 1951 states and 2522 transitions. [2022-01-11 00:05:26,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-11 00:05:26,395 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 [2022-01-11 00:05:26,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 00:05:26,400 INFO L225 Difference]: With dead ends: 1951 [2022-01-11 00:05:26,400 INFO L226 Difference]: Without dead ends: 1107 [2022-01-11 00:05:26,401 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 00:05:26,409 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 1373 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-11 00:05:26,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1373 Valid, 1706 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-11 00:05:26,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2022-01-11 00:05:26,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 473. [2022-01-11 00:05:26,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 470 states have (on average 1.2914893617021277) internal successors, (607), 472 states have internal predecessors, (607), 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 00:05:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 607 transitions. [2022-01-11 00:05:26,440 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 607 transitions. Word has length 30 [2022-01-11 00:05:26,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 00:05:26,441 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 607 transitions. [2022-01-11 00:05:26,441 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) [2022-01-11 00:05:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 607 transitions. [2022-01-11 00:05:26,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-11 00:05:26,444 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 00:05:26,444 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] [2022-01-11 00:05:26,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 00:05:26,445 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 00:05:26,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 00:05:26,446 INFO L85 PathProgramCache]: Analyzing trace with hash -285335129, now seen corresponding path program 1 times [2022-01-11 00:05:26,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 00:05:26,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091237884] [2022-01-11 00:05:26,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 00:05:26,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 00:05:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 00:05:26,469 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 00:05:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 00:05:26,500 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 00:05:26,500 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 00:05:26,501 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-11 00:05:26,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-11 00:05:26,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-11 00:05:26,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-11 00:05:26,504 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-11 00:05:26,506 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 00:05:26,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 12:05:26 BasicIcfg [2022-01-11 00:05:26,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 00:05:26,543 INFO L158 Benchmark]: Toolchain (without parser) took 2731.61ms. Allocated memory was 189.8MB in the beginning and 245.4MB in the end (delta: 55.6MB). Free memory was 138.3MB in the beginning and 91.2MB in the end (delta: 47.1MB). Peak memory consumption was 103.7MB. Max. memory is 8.0GB. [2022-01-11 00:05:26,543 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 155.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 00:05:26,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.78ms. Allocated memory is still 189.8MB. Free memory was 138.1MB in the beginning and 149.9MB in the end (delta: -11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-11 00:05:26,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.94ms. Allocated memory is still 189.8MB. Free memory was 149.9MB in the beginning and 145.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 00:05:26,544 INFO L158 Benchmark]: Boogie Preprocessor took 38.96ms. Allocated memory is still 189.8MB. Free memory was 145.3MB in the beginning and 141.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 00:05:26,544 INFO L158 Benchmark]: RCFGBuilder took 738.49ms. Allocated memory is still 189.8MB. Free memory was 141.6MB in the beginning and 109.1MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-01-11 00:05:26,544 INFO L158 Benchmark]: IcfgTransformer took 167.47ms. Allocated memory is still 189.8MB. Free memory was 109.1MB in the beginning and 94.9MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-11 00:05:26,544 INFO L158 Benchmark]: TraceAbstraction took 1200.79ms. Allocated memory was 189.8MB in the beginning and 245.4MB in the end (delta: 55.6MB). Free memory was 94.4MB in the beginning and 91.2MB in the end (delta: 3.2MB). Peak memory consumption was 59.9MB. Max. memory is 8.0GB. [2022-01-11 00:05:26,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 155.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 505.78ms. Allocated memory is still 189.8MB. Free memory was 138.1MB in the beginning and 149.9MB in the end (delta: -11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.94ms. Allocated memory is still 189.8MB. Free memory was 149.9MB in the beginning and 145.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.96ms. Allocated memory is still 189.8MB. Free memory was 145.3MB in the beginning and 141.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 738.49ms. Allocated memory is still 189.8MB. Free memory was 141.6MB in the beginning and 109.1MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * IcfgTransformer took 167.47ms. Allocated memory is still 189.8MB. Free memory was 109.1MB in the beginning and 94.9MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1200.79ms. Allocated memory was 189.8MB in the beginning and 245.4MB in the end (delta: 55.6MB). Free memory was 94.4MB in the beginning and 91.2MB in the end (delta: 3.2MB). Peak memory consumption was 59.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1023]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int waterLevel = 1; [L598] int methaneLevelCritical = 0; [L704] int pumpRunning = 0; [L705] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L951] int splverifierCounter ; [L952] int tmp ; [L953] int tmp___0 ; [L954] int tmp___1 ; [L955] int tmp___2 ; [L958] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L960] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L962] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L968] tmp = __VERIFIER_nondet_int() [L970] COND TRUE \read(tmp) [L972] CALL waterRise() [L615] COND TRUE waterLevel < 2 [L616] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L972] RET waterRise() [L978] tmp___0 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=29, tmp___0=0, waterLevel=2] [L988] tmp___2 = __VERIFIER_nondet_int() [L990] COND FALSE !(\read(tmp___2)) [L996] tmp___1 = __VERIFIER_nondet_int() [L998] COND TRUE \read(tmp___1) [L1000] CALL stopSystem() [L930] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L937] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1000] RET stopSystem() [L1007] CALL timeShift() [L711] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L718] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L726] CALL __utac_acc__Specification3_spec__1() [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L566] CALL, EXPR isMethaneLevelCritical() [L636] int retValue_acc ; [L639] retValue_acc = methaneLevelCritical [L640] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L566] RET, EXPR isMethaneLevelCritical() [L566] tmp = isMethaneLevelCritical() [L568] COND FALSE !(\read(tmp)) [L572] CALL, EXPR getWaterLevel() [L668] int retValue_acc ; [L671] retValue_acc = waterLevel [L672] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L572] RET, EXPR getWaterLevel() [L572] tmp___0 = getWaterLevel() [L574] COND TRUE tmp___0 == 2 [L576] CALL, EXPR isPumpRunning() [L844] int retValue_acc ; [L847] retValue_acc = pumpRunning [L848] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L576] RET, EXPR isPumpRunning() [L576] tmp___1 = isPumpRunning() [L578] COND FALSE !(\read(tmp___1)) [L582] CALL __automaton_fail() [L1023] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 1023]: 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: 1023]: 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, 284 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 1915 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1915 mSDsluCounter, 2975 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1429 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 251 IncrementalHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 1546 mSDtfsCounter, 251 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=473occurred 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, 649 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 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! [2022-01-11 00:05:26,558 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...