/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 12:25:02,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 12:25:02,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 12:25:02,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 12:25:02,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 12:25:02,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 12:25:02,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 12:25:02,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 12:25:02,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 12:25:02,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 12:25:02,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 12:25:02,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 12:25:02,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 12:25:02,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 12:25:02,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 12:25:02,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 12:25:02,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 12:25:02,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 12:25:02,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 12:25:02,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 12:25:02,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 12:25:02,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 12:25:02,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 12:25:02,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 12:25:02,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 12:25:02,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 12:25:02,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 12:25:02,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 12:25:02,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 12:25:02,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 12:25:02,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 12:25:02,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 12:25:02,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 12:25:02,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 12:25:02,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 12:25:02,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 12:25:02,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 12:25:02,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 12:25:02,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 12:25:02,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 12:25:02,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 12:25:02,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 12:25:02,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 12:25:02,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 12:25:02,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 12:25:02,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 12:25:02,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 12:25:02,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 12:25:02,517 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 12:25:02,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 12:25:02,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 12:25:02,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 12:25:02,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 12:25:02,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 12:25:02,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 12:25:02,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 12:25:02,519 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 12:25:02,519 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 12:25:02,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 12:25:02,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 12:25:02,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 12:25:02,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 12:25:02,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 12:25:02,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:25:02,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 12:25:02,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 12:25:02,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 12:25:02,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 12:25:02,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 12:25:02,520 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 12:25:02,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 12:25:02,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 12:25:02,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 12:25:02,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 12:25:02,521 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 12:25:02,522 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 12:25:02,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 12:25:02,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 12:25:02,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 12:25:02,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 12:25:02,709 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 12:25:02,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c [2022-01-10 12:25:02,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce461668a/a4b2e993b70c402a9d01c8d2787c60b5/FLAGf785fbd6c [2022-01-10 12:25:03,200 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 12:25:03,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c [2022-01-10 12:25:03,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce461668a/a4b2e993b70c402a9d01c8d2787c60b5/FLAGf785fbd6c [2022-01-10 12:25:03,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce461668a/a4b2e993b70c402a9d01c8d2787c60b5 [2022-01-10 12:25:03,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 12:25:03,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 12:25:03,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 12:25:03,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 12:25:03,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 12:25:03,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea00376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03, skipping insertion in model container [2022-01-10 12:25:03,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 12:25:03,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:25:03,562 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_product15.cil.c[17176,17189] [2022-01-10 12:25:03,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:25:03,586 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 12:25:03,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:25:03,639 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_product15.cil.c[17176,17189] [2022-01-10 12:25:03,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:25:03,649 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 12:25:03,685 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_product15.cil.c[17176,17189] [2022-01-10 12:25:03,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:25:03,699 INFO L208 MainTranslator]: Completed translation [2022-01-10 12:25:03,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03 WrapperNode [2022-01-10 12:25:03,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 12:25:03,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 12:25:03,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 12:25:03,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 12:25:03,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,742 INFO L137 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 50, calls inlined = 52, statements flattened = 399 [2022-01-10 12:25:03,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 12:25:03,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 12:25:03,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 12:25:03,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 12:25:03,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 12:25:03,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 12:25:03,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 12:25:03,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 12:25:03,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (1/1) ... [2022-01-10 12:25:03,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:25:03,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 12:25:03,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 12:25:03,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 12:25:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 12:25:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 12:25:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 12:25:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 12:25:03,913 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 12:25:03,914 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 12:25:04,250 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 12:25:04,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 12:25:04,256 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 12:25:04,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:25:04 BoogieIcfgContainer [2022-01-10 12:25:04,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 12:25:04,258 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 12:25:04,258 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 12:25:04,266 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 12:25:04,268 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:25:04" (1/1) ... [2022-01-10 12:25:04,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:25:04 BasicIcfg [2022-01-10 12:25:04,336 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 12:25:04,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 12:25:04,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 12:25:04,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 12:25:04,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:25:03" (1/4) ... [2022-01-10 12:25:04,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f7bcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:25:04, skipping insertion in model container [2022-01-10 12:25:04,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:03" (2/4) ... [2022-01-10 12:25:04,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f7bcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:25:04, skipping insertion in model container [2022-01-10 12:25:04,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:25:04" (3/4) ... [2022-01-10 12:25:04,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f7bcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:25:04, skipping insertion in model container [2022-01-10 12:25:04,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:25:04" (4/4) ... [2022-01-10 12:25:04,341 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15.cil.cTransformedIcfg [2022-01-10 12:25:04,352 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 12:25:04,352 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-10 12:25:04,378 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 12:25:04,382 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 12:25:04,382 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-10 12:25:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 105 states have (on average 1.3904761904761904) internal successors, (146), 108 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:25:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 12:25:04,400 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:04,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:25:04,400 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:25:04,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:04,404 INFO L85 PathProgramCache]: Analyzing trace with hash -501971604, now seen corresponding path program 1 times [2022-01-10 12:25:04,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:04,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372910937] [2022-01-10 12:25:04,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:04,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:25:04,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:04,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372910937] [2022-01-10 12:25:04,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372910937] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:04,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:04,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:25:04,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885671144] [2022-01-10 12:25:04,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:04,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 12:25:04,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:04,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 12:25:04,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 12:25:04,624 INFO L87 Difference]: Start difference. First operand has 109 states, 105 states have (on average 1.3904761904761904) internal successors, (146), 108 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:25:04,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:04,641 INFO L93 Difference]: Finished difference Result 208 states and 281 transitions. [2022-01-10 12:25:04,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 12:25:04,642 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-01-10 12:25:04,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:04,647 INFO L225 Difference]: With dead ends: 208 [2022-01-10 12:25:04,648 INFO L226 Difference]: Without dead ends: 99 [2022-01-10 12:25:04,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 12:25:04,652 INFO L933 BasicCegarLoop]: 136 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, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:25:04,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:25:04,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-01-10 12:25:04,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-01-10 12:25:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 98 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:25:04,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 128 transitions. [2022-01-10 12:25:04,684 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 128 transitions. Word has length 19 [2022-01-10 12:25:04,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:04,684 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 128 transitions. [2022-01-10 12:25:04,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:25:04,684 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 128 transitions. [2022-01-10 12:25:04,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 12:25:04,685 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:04,685 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:25:04,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 12:25:04,685 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:25:04,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:04,686 INFO L85 PathProgramCache]: Analyzing trace with hash 930690314, now seen corresponding path program 1 times [2022-01-10 12:25:04,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:04,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965510859] [2022-01-10 12:25:04,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:04,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:25:04,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:04,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965510859] [2022-01-10 12:25:04,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965510859] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:04,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:04,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:25:04,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049836807] [2022-01-10 12:25:04,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:04,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:25:04,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:04,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:25:04,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:25:04,762 INFO L87 Difference]: Start difference. First operand 99 states and 128 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:25:04,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:04,801 INFO L93 Difference]: Finished difference Result 258 states and 339 transitions. [2022-01-10 12:25:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:25:04,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-01-10 12:25:04,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:04,802 INFO L225 Difference]: With dead ends: 258 [2022-01-10 12:25:04,802 INFO L226 Difference]: Without dead ends: 166 [2022-01-10 12:25:04,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:25:04,804 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 112 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 209 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 12:25:04,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 209 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:25:04,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-01-10 12:25:04,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 157. [2022-01-10 12:25:04,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 154 states have (on average 1.3506493506493507) internal successors, (208), 156 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:25:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2022-01-10 12:25:04,817 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 208 transitions. Word has length 20 [2022-01-10 12:25:04,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:04,817 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 208 transitions. [2022-01-10 12:25:04,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:25:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 208 transitions. [2022-01-10 12:25:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 12:25:04,818 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:04,818 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 12:25:04,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 12:25:04,819 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:25:04,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:04,820 INFO L85 PathProgramCache]: Analyzing trace with hash 759953496, now seen corresponding path program 1 times [2022-01-10 12:25:04,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:04,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487692013] [2022-01-10 12:25:04,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:04,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:25:04,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:04,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487692013] [2022-01-10 12:25:04,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487692013] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:04,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:04,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 12:25:04,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146641651] [2022-01-10 12:25:04,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:04,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:25:04,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:04,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:25:04,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:25:04,927 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:25:05,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:05,115 INFO L93 Difference]: Finished difference Result 821 states and 1107 transitions. [2022-01-10 12:25:05,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 12:25:05,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-01-10 12:25:05,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:05,121 INFO L225 Difference]: With dead ends: 821 [2022-01-10 12:25:05,121 INFO L226 Difference]: Without dead ends: 485 [2022-01-10 12:25:05,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-10 12:25:05,128 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 525 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:25:05,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [525 Valid, 709 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:25:05,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2022-01-10 12:25:05,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 217. [2022-01-10 12:25:05,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 214 states have (on average 1.3457943925233644) internal successors, (288), 216 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:25:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2022-01-10 12:25:05,148 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 23 [2022-01-10 12:25:05,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:05,148 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2022-01-10 12:25:05,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:25:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2022-01-10 12:25:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 12:25:05,150 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:05,150 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:25:05,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 12:25:05,150 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:25:05,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:05,150 INFO L85 PathProgramCache]: Analyzing trace with hash -40244945, now seen corresponding path program 1 times [2022-01-10 12:25:05,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:05,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406263586] [2022-01-10 12:25:05,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:05,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 12:25:05,185 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 12:25:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 12:25:05,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 12:25:05,255 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 12:25:05,256 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-10 12:25:05,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-10 12:25:05,258 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-10 12:25:05,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 12:25:05,263 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-10 12:25:05,266 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 12:25:05,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:25:05 BasicIcfg [2022-01-10 12:25:05,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 12:25:05,321 INFO L158 Benchmark]: Toolchain (without parser) took 2092.00ms. Allocated memory was 183.5MB in the beginning and 250.6MB in the end (delta: 67.1MB). Free memory was 124.0MB in the beginning and 89.3MB in the end (delta: 34.7MB). Peak memory consumption was 100.5MB. Max. memory is 8.0GB. [2022-01-10 12:25:05,322 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 12:25:05,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.55ms. Allocated memory was 183.5MB in the beginning and 250.6MB in the end (delta: 67.1MB). Free memory was 123.9MB in the beginning and 207.8MB in the end (delta: -83.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 12:25:05,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.28ms. Allocated memory is still 250.6MB. Free memory was 207.8MB in the beginning and 205.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 12:25:05,324 INFO L158 Benchmark]: Boogie Preprocessor took 22.39ms. Allocated memory is still 250.6MB. Free memory was 205.2MB in the beginning and 203.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 12:25:05,324 INFO L158 Benchmark]: RCFGBuilder took 491.00ms. Allocated memory is still 250.6MB. Free memory was 203.1MB in the beginning and 183.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-01-10 12:25:05,324 INFO L158 Benchmark]: IcfgTransformer took 78.90ms. Allocated memory is still 250.6MB. Free memory was 183.7MB in the beginning and 177.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-10 12:25:05,324 INFO L158 Benchmark]: TraceAbstraction took 982.97ms. Allocated memory is still 250.6MB. Free memory was 176.9MB in the beginning and 89.3MB in the end (delta: 87.6MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. [2022-01-10 12:25:05,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 469.55ms. Allocated memory was 183.5MB in the beginning and 250.6MB in the end (delta: 67.1MB). Free memory was 123.9MB in the beginning and 207.8MB in the end (delta: -83.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.28ms. Allocated memory is still 250.6MB. Free memory was 207.8MB in the beginning and 205.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.39ms. Allocated memory is still 250.6MB. Free memory was 205.2MB in the beginning and 203.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 491.00ms. Allocated memory is still 250.6MB. Free memory was 203.1MB in the beginning and 183.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * IcfgTransformer took 78.90ms. Allocated memory is still 250.6MB. Free memory was 183.7MB in the beginning and 177.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 982.97ms. Allocated memory is still 250.6MB. Free memory was 176.9MB in the beginning and 89.3MB in the end (delta: 87.6MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 880]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L464] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int waterLevel = 1; [L663] int methaneLevelCritical = 0; [L742] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int retValue_acc ; [L819] int tmp ; [L823] FCALL select_helpers() [L824] FCALL select_features() [L825] CALL, EXPR valid_product() [L911] int retValue_acc ; [L914] retValue_acc = 1 [L915] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L825] RET, EXPR valid_product() [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) [L829] FCALL setup() [L830] CALL runTest() [L809] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L238] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L240] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L246] tmp = __VERIFIER_nondet_int() [L248] COND TRUE \read(tmp) [L250] CALL waterRise() [L680] COND TRUE waterLevel < 2 [L681] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L250] RET waterRise() [L256] tmp___0 = __VERIFIER_nondet_int() [L258] 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] [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification3_spec__1() [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L849] CALL, EXPR isMethaneLevelCritical() [L701] int retValue_acc ; [L704] retValue_acc = methaneLevelCritical [L705] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L849] RET, EXPR isMethaneLevelCritical() [L849] tmp = isMethaneLevelCritical() [L851] COND FALSE !(\read(tmp)) [L855] CALL, EXPR getWaterLevel() [L733] int retValue_acc ; [L736] retValue_acc = waterLevel [L737] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L855] RET, EXPR getWaterLevel() [L855] tmp___0 = getWaterLevel() [L857] COND TRUE tmp___0 == 2 [L859] CALL, EXPR isPumpRunning() [L165] int retValue_acc ; [L168] retValue_acc = pumpRunning [L169] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L859] RET, EXPR isPumpRunning() [L859] tmp___1 = isPumpRunning() [L861] COND FALSE !(\read(tmp___1)) [L865] CALL __automaton_fail() [L880] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 880]: 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: 880]: 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, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 637 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 637 mSDsluCounter, 1054 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 591 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 463 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 277 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-10 12:25:05,355 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...