/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_LAZY.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 18:15:27,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 18:15:27,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 18:15:27,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 18:15:27,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 18:15:27,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 18:15:27,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 18:15:27,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 18:15:27,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 18:15:27,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 18:15:27,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 18:15:27,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 18:15:27,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 18:15:27,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 18:15:27,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 18:15:27,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 18:15:27,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 18:15:27,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 18:15:27,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 18:15:27,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 18:15:27,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 18:15:27,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 18:15:27,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 18:15:27,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 18:15:27,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 18:15:27,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 18:15:27,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 18:15:27,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 18:15:27,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 18:15:27,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 18:15:27,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 18:15:27,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 18:15:27,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 18:15:27,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 18:15:27,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 18:15:27,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 18:15:27,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 18:15:27,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 18:15:27,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 18:15:27,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 18:15:27,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 18:15:27,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 18:15:27,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 18:15:27,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 18:15:27,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 18:15:27,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 18:15:27,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 18:15:27,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 18:15:27,604 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 18:15:27,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 18:15:27,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 18:15:27,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 18:15:27,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 18:15:27,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 18:15:27,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 18:15:27,604 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 18:15:27,605 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 18:15:27,605 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 18:15:27,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 18:15:27,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 18:15:27,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 18:15:27,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 18:15:27,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 18:15:27,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 18:15:27,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 18:15:27,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 18:15:27,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 18:15:27,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 18:15:27,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 18:15:27,606 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 18:15:27,606 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 18:15:27,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 18:15:27,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 18:15:27,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 18:15:27,607 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 18:15:27,608 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 18:15:27,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 18:15:27,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 18:15:27,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 18:15:27,851 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 18:15:27,851 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 18:15:27,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product43.cil.c [2022-01-10 18:15:27,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd78b3d9e/944906d17f2940e3ac178503a9ea7014/FLAGee465f914 [2022-01-10 18:15:28,306 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 18:15:28,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product43.cil.c [2022-01-10 18:15:28,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd78b3d9e/944906d17f2940e3ac178503a9ea7014/FLAGee465f914 [2022-01-10 18:15:28,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd78b3d9e/944906d17f2940e3ac178503a9ea7014 [2022-01-10 18:15:28,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 18:15:28,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 18:15:28,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 18:15:28,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 18:15:28,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 18:15:28,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9551a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28, skipping insertion in model container [2022-01-10 18:15:28,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 18:15:28,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 18:15:28,550 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_product43.cil.c[2897,2910] [2022-01-10 18:15:28,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:15:28,659 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 18:15:28,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 18:15:28,691 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_product43.cil.c[2897,2910] [2022-01-10 18:15:28,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:15:28,753 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 18:15:28,773 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_product43.cil.c[2897,2910] [2022-01-10 18:15:28,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:15:28,858 INFO L208 MainTranslator]: Completed translation [2022-01-10 18:15:28,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28 WrapperNode [2022-01-10 18:15:28,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 18:15:28,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 18:15:28,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 18:15:28,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 18:15:28,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,912 INFO L137 Inliner]: procedures = 56, calls = 154, calls flagged for inlining = 51, calls inlined = 61, statements flattened = 492 [2022-01-10 18:15:28,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 18:15:28,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 18:15:28,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 18:15:28,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 18:15:28,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 18:15:28,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 18:15:28,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 18:15:28,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 18:15:28,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (1/1) ... [2022-01-10 18:15:28,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 18:15:28,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 18:15:28,992 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 18:15:28,997 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 18:15:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 18:15:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 18:15:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 18:15:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 18:15:29,094 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 18:15:29,095 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 18:15:29,497 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 18:15:29,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 18:15:29,504 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 18:15:29,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:15:29 BoogieIcfgContainer [2022-01-10 18:15:29,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 18:15:29,507 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 18:15:29,507 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 18:15:29,517 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 18:15:29,519 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:15:29" (1/1) ... [2022-01-10 18:15:29,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 06:15:29 BasicIcfg [2022-01-10 18:15:29,658 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 18:15:29,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 18:15:29,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 18:15:29,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 18:15:29,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:15:28" (1/4) ... [2022-01-10 18:15:29,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618ee81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:15:29, skipping insertion in model container [2022-01-10 18:15:29,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:28" (2/4) ... [2022-01-10 18:15:29,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618ee81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:15:29, skipping insertion in model container [2022-01-10 18:15:29,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:15:29" (3/4) ... [2022-01-10 18:15:29,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618ee81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:15:29, skipping insertion in model container [2022-01-10 18:15:29,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 06:15:29" (4/4) ... [2022-01-10 18:15:29,676 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product43.cil.cTransformedIcfg [2022-01-10 18:15:29,681 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 18:15:29,682 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-10 18:15:29,723 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 18:15:29,730 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 18:15:29,730 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-10 18:15:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 126 states have (on average 1.3968253968253967) internal successors, (176), 129 states have internal predecessors, (176), 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 18:15:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 18:15:29,754 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:15:29,754 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 18:15:29,755 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 18:15:29,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:15:29,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1151894584, now seen corresponding path program 1 times [2022-01-10 18:15:29,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:15:29,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001544567] [2022-01-10 18:15:29,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:15:29,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:15:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:15:30,018 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 18:15:30,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:15:30,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001544567] [2022-01-10 18:15:30,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001544567] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:15:30,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:15:30,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:15:30,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093572634] [2022-01-10 18:15:30,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:15:30,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 18:15:30,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:15:30,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 18:15:30,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 18:15:30,063 INFO L87 Difference]: Start difference. First operand has 130 states, 126 states have (on average 1.3968253968253967) internal successors, (176), 129 states have internal predecessors, (176), 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 18:15:30,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:15:30,092 INFO L93 Difference]: Finished difference Result 250 states and 341 transitions. [2022-01-10 18:15:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 18:15:30,094 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 18:15:30,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:15:30,102 INFO L225 Difference]: With dead ends: 250 [2022-01-10 18:15:30,102 INFO L226 Difference]: Without dead ends: 120 [2022-01-10 18:15:30,105 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 18:15:30,107 INFO L933 BasicCegarLoop]: 166 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, 166 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 18:15:30,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:15:30,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-01-10 18:15:30,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-01-10 18:15:30,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 119 states have internal predecessors, (158), 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 18:15:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 158 transitions. [2022-01-10 18:15:30,149 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 158 transitions. Word has length 19 [2022-01-10 18:15:30,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:15:30,149 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 158 transitions. [2022-01-10 18:15:30,150 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 18:15:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2022-01-10 18:15:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 18:15:30,151 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:15:30,151 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 18:15:30,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 18:15:30,152 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 18:15:30,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:15:30,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1080983922, now seen corresponding path program 1 times [2022-01-10 18:15:30,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:15:30,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371036916] [2022-01-10 18:15:30,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:15:30,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:15:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:15:30,232 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 18:15:30,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:15:30,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371036916] [2022-01-10 18:15:30,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371036916] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:15:30,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:15:30,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:15:30,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864928248] [2022-01-10 18:15:30,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:15:30,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:15:30,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:15:30,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:15:30,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:15:30,236 INFO L87 Difference]: Start difference. First operand 120 states and 158 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 18:15:30,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:15:30,282 INFO L93 Difference]: Finished difference Result 300 states and 399 transitions. [2022-01-10 18:15:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:15:30,283 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 18:15:30,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:15:30,285 INFO L225 Difference]: With dead ends: 300 [2022-01-10 18:15:30,285 INFO L226 Difference]: Without dead ends: 187 [2022-01-10 18:15:30,286 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 18:15:30,287 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 142 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:15:30,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 239 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:15:30,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-01-10 18:15:30,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 178. [2022-01-10 18:15:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.36) internal successors, (238), 177 states have internal predecessors, (238), 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 18:15:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 238 transitions. [2022-01-10 18:15:30,310 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 238 transitions. Word has length 20 [2022-01-10 18:15:30,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:15:30,310 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 238 transitions. [2022-01-10 18:15:30,310 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 18:15:30,310 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 238 transitions. [2022-01-10 18:15:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 18:15:30,321 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:15:30,322 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:15:30,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 18:15:30,323 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 18:15:30,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:15:30,324 INFO L85 PathProgramCache]: Analyzing trace with hash 2089207108, now seen corresponding path program 1 times [2022-01-10 18:15:30,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:15:30,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453500502] [2022-01-10 18:15:30,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:15:30,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:15:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:15:30,408 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 18:15:30,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:15:30,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453500502] [2022-01-10 18:15:30,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453500502] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:15:30,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:15:30,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:15:30,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016050529] [2022-01-10 18:15:30,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:15:30,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:15:30,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:15:30,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:15:30,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:15:30,411 INFO L87 Difference]: Start difference. First operand 178 states and 238 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:30,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:15:30,474 INFO L93 Difference]: Finished difference Result 411 states and 548 transitions. [2022-01-10 18:15:30,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:15:30,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-01-10 18:15:30,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:15:30,476 INFO L225 Difference]: With dead ends: 411 [2022-01-10 18:15:30,476 INFO L226 Difference]: Without dead ends: 240 [2022-01-10 18:15:30,477 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 18:15:30,478 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 121 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:15:30,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 234 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:15:30,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-01-10 18:15:30,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 234. [2022-01-10 18:15:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 231 states have (on average 1.316017316017316) internal successors, (304), 233 states have internal predecessors, (304), 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 18:15:30,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 304 transitions. [2022-01-10 18:15:30,500 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 304 transitions. Word has length 23 [2022-01-10 18:15:30,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:15:30,500 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 304 transitions. [2022-01-10 18:15:30,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:30,501 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 304 transitions. [2022-01-10 18:15:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-10 18:15:30,502 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:15:30,502 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] [2022-01-10 18:15:30,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 18:15:30,502 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:15:30,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:15:30,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1781463381, now seen corresponding path program 1 times [2022-01-10 18:15:30,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:15:30,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824944852] [2022-01-10 18:15:30,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:15:30,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:15:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:15:30,612 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 18:15:30,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:15:30,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824944852] [2022-01-10 18:15:30,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824944852] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:15:30,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:15:30,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 18:15:30,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326883214] [2022-01-10 18:15:30,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:15:30,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 18:15:30,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:15:30,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 18:15:30,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 18:15:30,615 INFO L87 Difference]: Start difference. First operand 234 states and 304 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 18:15:30,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:15:30,878 INFO L93 Difference]: Finished difference Result 1253 states and 1634 transitions. [2022-01-10 18:15:30,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 18:15:30,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2022-01-10 18:15:30,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:15:30,883 INFO L225 Difference]: With dead ends: 1253 [2022-01-10 18:15:30,884 INFO L226 Difference]: Without dead ends: 735 [2022-01-10 18:15:30,888 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 18:15:30,898 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 677 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 18:15:30,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [677 Valid, 892 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 18:15:30,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-01-10 18:15:30,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 325. [2022-01-10 18:15:30,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 322 states have (on average 1.3074534161490683) internal successors, (421), 324 states have internal predecessors, (421), 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 18:15:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 421 transitions. [2022-01-10 18:15:30,943 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 421 transitions. Word has length 29 [2022-01-10 18:15:30,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:15:30,943 INFO L470 AbstractCegarLoop]: Abstraction has 325 states and 421 transitions. [2022-01-10 18:15:30,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 18:15:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 421 transitions. [2022-01-10 18:15:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 18:15:30,948 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:15:30,948 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 18:15:30,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 18:15:30,949 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 18:15:30,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:15:30,949 INFO L85 PathProgramCache]: Analyzing trace with hash 294803345, now seen corresponding path program 1 times [2022-01-10 18:15:30,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:15:30,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604039469] [2022-01-10 18:15:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:15:30,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:15:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 18:15:30,992 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 18:15:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 18:15:31,081 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 18:15:31,082 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 18:15:31,082 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-10 18:15:31,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-10 18:15:31,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-10 18:15:31,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 18:15:31,088 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 18:15:31,091 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 18:15:31,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:15:31 BasicIcfg [2022-01-10 18:15:31,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 18:15:31,171 INFO L158 Benchmark]: Toolchain (without parser) took 2834.84ms. Allocated memory was 198.2MB in the beginning and 277.9MB in the end (delta: 79.7MB). Free memory was 141.3MB in the beginning and 188.2MB in the end (delta: -46.9MB). Peak memory consumption was 34.2MB. Max. memory is 8.0GB. [2022-01-10 18:15:31,171 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 198.2MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 18:15:31,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.09ms. Allocated memory is still 198.2MB. Free memory was 141.2MB in the beginning and 153.0MB in the end (delta: -11.8MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. [2022-01-10 18:15:31,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.50ms. Allocated memory is still 198.2MB. Free memory was 153.0MB in the beginning and 149.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 18:15:31,172 INFO L158 Benchmark]: Boogie Preprocessor took 31.63ms. Allocated memory is still 198.2MB. Free memory was 149.9MB in the beginning and 147.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 18:15:31,172 INFO L158 Benchmark]: RCFGBuilder took 560.87ms. Allocated memory is still 198.2MB. Free memory was 147.8MB in the beginning and 127.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-01-10 18:15:31,173 INFO L158 Benchmark]: IcfgTransformer took 151.47ms. Allocated memory is still 198.2MB. Free memory was 127.3MB in the beginning and 119.5MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-10 18:15:31,173 INFO L158 Benchmark]: TraceAbstraction took 1499.75ms. Allocated memory was 198.2MB in the beginning and 277.9MB in the end (delta: 79.7MB). Free memory was 118.9MB in the beginning and 188.2MB in the end (delta: -69.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-10 18:15:31,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 198.2MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 522.09ms. Allocated memory is still 198.2MB. Free memory was 141.2MB in the beginning and 153.0MB in the end (delta: -11.8MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.50ms. Allocated memory is still 198.2MB. Free memory was 153.0MB in the beginning and 149.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.63ms. Allocated memory is still 198.2MB. Free memory was 149.9MB in the beginning and 147.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 560.87ms. Allocated memory is still 198.2MB. Free memory was 147.8MB in the beginning and 127.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * IcfgTransformer took 151.47ms. Allocated memory is still 198.2MB. Free memory was 127.3MB in the beginning and 119.5MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1499.75ms. Allocated memory was 198.2MB in the beginning and 277.9MB in the end (delta: 79.7MB). Free memory was 118.9MB in the beginning and 188.2MB in the end (delta: -69.2MB). Peak memory consumption was 11.5MB. 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: 158]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L369] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L607] int pumpRunning = 0; [L608] int systemActive = 1; [L859] int waterLevel = 1; [L860] int methaneLevelCritical = 0; 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() [L592] int retValue_acc ; [L595] retValue_acc = 1 [L596] 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() [L793] int splverifierCounter ; [L794] int tmp ; [L795] int tmp___0 ; [L796] int tmp___1 ; [L797] int tmp___2 ; [L800] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L802] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L804] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L810] tmp = __VERIFIER_nondet_int() [L812] COND TRUE \read(tmp) [L814] CALL waterRise() [L877] COND TRUE waterLevel < 2 [L878] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L814] RET waterRise() [L820] tmp___0 = __VERIFIER_nondet_int() [L822] 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] [L830] tmp___2 = __VERIFIER_nondet_int() [L832] COND FALSE !(\read(tmp___2)) [L836] tmp___1 = __VERIFIER_nondet_int() [L838] COND TRUE \read(tmp___1) [L840] CALL stopSystem() [L780] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L787] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L840] RET stopSystem() [L847] CALL timeShift() [L614] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L621] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L629] CALL __utac_acc__Specification3_spec__1() [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L173] CALL, EXPR isMethaneLevelCritical() [L898] int retValue_acc ; [L901] retValue_acc = methaneLevelCritical [L902] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L173] RET, EXPR isMethaneLevelCritical() [L173] tmp = isMethaneLevelCritical() [L175] COND FALSE !(\read(tmp)) [L179] CALL, EXPR getWaterLevel() [L930] int retValue_acc ; [L933] retValue_acc = waterLevel [L934] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L179] RET, EXPR getWaterLevel() [L179] tmp___0 = getWaterLevel() [L181] COND TRUE tmp___0 == 2 [L183] CALL, EXPR isPumpRunning() [L713] int retValue_acc ; [L716] retValue_acc = pumpRunning [L717] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L183] RET, EXPR isPumpRunning() [L183] tmp___1 = isPumpRunning() [L185] COND FALSE !(\read(tmp___1)) [L189] CALL __automaton_fail() [L158] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 158]: 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: 158]: 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, 130 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, 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, 940 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 940 mSDsluCounter, 1531 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 806 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 725 mSDtfsCounter, 155 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=325occurred 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, 425 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 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 18:15:31,193 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...