/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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 12:25:16,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 12:25:16,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 12:25:16,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 12:25:16,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 12:25:16,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 12:25:16,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 12:25:16,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 12:25:16,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 12:25:16,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 12:25:16,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 12:25:16,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 12:25:16,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 12:25:16,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 12:25:16,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 12:25:16,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 12:25:16,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 12:25:16,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 12:25:16,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 12:25:16,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 12:25:16,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 12:25:16,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 12:25:16,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 12:25:16,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 12:25:16,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 12:25:16,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 12:25:16,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 12:25:16,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 12:25:16,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 12:25:16,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 12:25:16,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 12:25:16,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 12:25:16,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 12:25:16,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 12:25:16,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 12:25:16,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 12:25:16,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 12:25:16,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 12:25:16,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 12:25:16,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 12:25:16,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 12:25:16,604 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 12:25:16,633 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 12:25:16,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 12:25:16,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 12:25:16,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 12:25:16,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 12:25:16,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 12:25:16,635 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 12:25:16,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 12:25:16,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 12:25:16,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 12:25:16,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 12:25:16,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 12:25:16,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 12:25:16,637 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 12:25:16,637 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 12:25:16,637 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 12:25:16,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 12:25:16,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 12:25:16,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 12:25:16,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 12:25:16,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 12:25:16,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:25:16,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 12:25:16,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 12:25:16,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 12:25:16,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 12:25:16,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 12:25:16,639 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 12:25:16,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 12:25:16,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 12:25:16,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 12:25:16,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 12:25:16,640 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 12:25:16,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 12:25:16,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 12:25:16,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 12:25:16,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 12:25:16,873 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 12:25:16,874 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 12:25:16,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c [2022-01-10 12:25:16,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe69d3b20/eda4260b2be04a09aa1ca128f73aeef5/FLAGf7edf8106 [2022-01-10 12:25:17,334 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 12:25:17,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c [2022-01-10 12:25:17,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe69d3b20/eda4260b2be04a09aa1ca128f73aeef5/FLAGf7edf8106 [2022-01-10 12:25:17,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe69d3b20/eda4260b2be04a09aa1ca128f73aeef5 [2022-01-10 12:25:17,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 12:25:17,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 12:25:17,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 12:25:17,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 12:25:17,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 12:25:17,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:17,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6097338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17, skipping insertion in model container [2022-01-10 12:25:17,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:17,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 12:25:17,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:25:17,573 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_product36.cil.c[1605,1618] [2022-01-10 12:25:17,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:25:17,710 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 12:25:17,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:25:17,721 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_product36.cil.c[1605,1618] [2022-01-10 12:25:17,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:25:17,813 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 12:25:17,827 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_product36.cil.c[1605,1618] [2022-01-10 12:25:17,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:25:17,912 INFO L208 MainTranslator]: Completed translation [2022-01-10 12:25:17,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17 WrapperNode [2022-01-10 12:25:17,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 12:25:17,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 12:25:17,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 12:25:17,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 12:25:17,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:17,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:17,974 INFO L137 Inliner]: procedures = 56, calls = 153, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 432 [2022-01-10 12:25:17,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 12:25:17,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 12:25:17,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 12:25:17,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 12:25:17,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:17,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:17,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:17,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:18,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:18,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:18,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:18,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 12:25:18,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 12:25:18,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 12:25:18,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 12:25:18,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (1/1) ... [2022-01-10 12:25:18,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:25:18,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 12:25:18,082 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 12:25:18,084 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 12:25:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 12:25:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 12:25:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 12:25:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 12:25:18,176 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 12:25:18,177 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 12:25:18,551 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 12:25:18,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 12:25:18,558 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 12:25:18,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:25:18 BoogieIcfgContainer [2022-01-10 12:25:18,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 12:25:18,561 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 12:25:18,561 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 12:25:18,562 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 12:25:18,565 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:25:18" (1/1) ... [2022-01-10 12:25:18,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:25:18 BasicIcfg [2022-01-10 12:25:18,666 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 12:25:18,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 12:25:18,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 12:25:18,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 12:25:18,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:25:17" (1/4) ... [2022-01-10 12:25:18,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dab4465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:25:18, skipping insertion in model container [2022-01-10 12:25:18,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:25:17" (2/4) ... [2022-01-10 12:25:18,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dab4465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:25:18, skipping insertion in model container [2022-01-10 12:25:18,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:25:18" (3/4) ... [2022-01-10 12:25:18,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dab4465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:25:18, skipping insertion in model container [2022-01-10 12:25:18,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:25:18" (4/4) ... [2022-01-10 12:25:18,673 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product36.cil.cTransformedIcfg [2022-01-10 12:25:18,678 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 12:25:18,678 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-10 12:25:18,718 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 12:25:18,724 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 12:25:18,724 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-10 12:25:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 115 states have (on average 1.4086956521739131) internal successors, (162), 118 states have internal predecessors, (162), 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 12:25:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 12:25:18,744 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:18,744 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 12:25:18,745 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 12:25:18,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:18,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1820745164, now seen corresponding path program 1 times [2022-01-10 12:25:18,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:18,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538683250] [2022-01-10 12:25:18,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:18,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:19,017 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 12:25:19,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:19,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538683250] [2022-01-10 12:25:19,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538683250] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:19,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:19,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:25:19,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25229507] [2022-01-10 12:25:19,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:19,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 12:25:19,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:19,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 12:25:19,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 12:25:19,048 INFO L87 Difference]: Start difference. First operand has 119 states, 115 states have (on average 1.4086956521739131) internal successors, (162), 118 states have internal predecessors, (162), 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 12:25:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:19,072 INFO L93 Difference]: Finished difference Result 228 states and 313 transitions. [2022-01-10 12:25:19,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 12:25:19,076 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 12:25:19,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:19,086 INFO L225 Difference]: With dead ends: 228 [2022-01-10 12:25:19,086 INFO L226 Difference]: Without dead ends: 109 [2022-01-10 12:25:19,089 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 12:25:19,092 INFO L933 BasicCegarLoop]: 152 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, 152 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 12:25:19,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:25:19,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-01-10 12:25:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2022-01-10 12:25:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 108 states have internal predecessors, (144), 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 12:25:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 144 transitions. [2022-01-10 12:25:19,143 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 144 transitions. Word has length 19 [2022-01-10 12:25:19,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:19,143 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 144 transitions. [2022-01-10 12:25:19,144 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 12:25:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2022-01-10 12:25:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 12:25:19,145 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:19,145 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 12:25:19,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 12:25:19,145 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 12:25:19,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:19,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1256465388, now seen corresponding path program 1 times [2022-01-10 12:25:19,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:19,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391080261] [2022-01-10 12:25:19,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:19,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:19,247 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 12:25:19,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:19,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391080261] [2022-01-10 12:25:19,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391080261] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:19,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:19,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:25:19,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927649526] [2022-01-10 12:25:19,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:19,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:25:19,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:19,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:25:19,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:25:19,250 INFO L87 Difference]: Start difference. First operand 109 states and 144 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 12:25:19,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:19,292 INFO L93 Difference]: Finished difference Result 278 states and 371 transitions. [2022-01-10 12:25:19,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:25:19,293 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 12:25:19,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:19,294 INFO L225 Difference]: With dead ends: 278 [2022-01-10 12:25:19,294 INFO L226 Difference]: Without dead ends: 176 [2022-01-10 12:25:19,295 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 12:25:19,296 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 127 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:25:19,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 224 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:25:19,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-01-10 12:25:19,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 167. [2022-01-10 12:25:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 164 states have (on average 1.3658536585365855) internal successors, (224), 166 states have internal predecessors, (224), 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 12:25:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 224 transitions. [2022-01-10 12:25:19,315 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 224 transitions. Word has length 20 [2022-01-10 12:25:19,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:19,315 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 224 transitions. [2022-01-10 12:25:19,315 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 12:25:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 224 transitions. [2022-01-10 12:25:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 12:25:19,316 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:19,316 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 12:25:19,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 12:25:19,317 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 12:25:19,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:19,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1557156928, now seen corresponding path program 1 times [2022-01-10 12:25:19,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:19,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332788297] [2022-01-10 12:25:19,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:19,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:19,378 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 12:25:19,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:19,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332788297] [2022-01-10 12:25:19,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332788297] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:19,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:19,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:25:19,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641455348] [2022-01-10 12:25:19,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:19,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:25:19,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:19,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:25:19,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:25:19,381 INFO L87 Difference]: Start difference. First operand 167 states and 224 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 12:25:19,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:19,443 INFO L93 Difference]: Finished difference Result 387 states and 518 transitions. [2022-01-10 12:25:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:25:19,443 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 12:25:19,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:19,445 INFO L225 Difference]: With dead ends: 387 [2022-01-10 12:25:19,445 INFO L226 Difference]: Without dead ends: 227 [2022-01-10 12:25:19,446 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 12:25:19,447 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 106 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 252 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 12:25:19,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 252 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:25:19,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-01-10 12:25:19,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2022-01-10 12:25:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 218 states have (on average 1.3211009174311927) internal successors, (288), 220 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 12:25:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 288 transitions. [2022-01-10 12:25:19,469 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 288 transitions. Word has length 23 [2022-01-10 12:25:19,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:19,470 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 288 transitions. [2022-01-10 12:25:19,470 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 12:25:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 288 transitions. [2022-01-10 12:25:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-10 12:25:19,471 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:19,471 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 12:25:19,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 12:25:19,472 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 12:25:19,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:19,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1726674921, now seen corresponding path program 1 times [2022-01-10 12:25:19,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:19,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123570040] [2022-01-10 12:25:19,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:19,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:25:19,591 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 12:25:19,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:25:19,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123570040] [2022-01-10 12:25:19,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123570040] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:25:19,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:25:19,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 12:25:19,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906116983] [2022-01-10 12:25:19,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:25:19,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:25:19,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:25:19,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:25:19,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:25:19,595 INFO L87 Difference]: Start difference. First operand 221 states and 288 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 12:25:19,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:25:19,871 INFO L93 Difference]: Finished difference Result 1172 states and 1534 transitions. [2022-01-10 12:25:19,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 12:25:19,872 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 12:25:19,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:25:19,876 INFO L225 Difference]: With dead ends: 1172 [2022-01-10 12:25:19,877 INFO L226 Difference]: Without dead ends: 697 [2022-01-10 12:25:19,880 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 12:25:19,882 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 599 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 794 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 12:25:19,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [599 Valid, 794 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 12:25:19,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2022-01-10 12:25:19,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 309. [2022-01-10 12:25:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 306 states have (on average 1.3104575163398693) internal successors, (401), 308 states have internal predecessors, (401), 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 12:25:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 401 transitions. [2022-01-10 12:25:19,940 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 401 transitions. Word has length 29 [2022-01-10 12:25:19,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:25:19,940 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 401 transitions. [2022-01-10 12:25:19,940 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 12:25:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 401 transitions. [2022-01-10 12:25:19,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 12:25:19,941 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:25:19,942 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 12:25:19,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 12:25:19,942 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 12:25:19,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:25:19,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1579109226, now seen corresponding path program 1 times [2022-01-10 12:25:19,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:25:19,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180869525] [2022-01-10 12:25:19,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:25:19,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:25:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 12:25:20,018 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 12:25:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 12:25:20,086 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 12:25:20,086 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 12:25:20,088 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-10 12:25:20,089 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-10 12:25:20,090 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-10 12:25:20,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 12:25:20,094 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 12:25:20,097 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 12:25:20,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:25:20 BasicIcfg [2022-01-10 12:25:20,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 12:25:20,190 INFO L158 Benchmark]: Toolchain (without parser) took 2829.73ms. Allocated memory was 182.5MB in the beginning and 238.0MB in the end (delta: 55.6MB). Free memory was 123.6MB in the beginning and 183.0MB in the end (delta: -59.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 12:25:20,190 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 12:25:20,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.70ms. Allocated memory was 182.5MB in the beginning and 238.0MB in the end (delta: 55.6MB). Free memory was 123.5MB in the beginning and 195.3MB in the end (delta: -71.8MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-01-10 12:25:20,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.25ms. Allocated memory is still 238.0MB. Free memory was 195.3MB in the beginning and 192.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 12:25:20,200 INFO L158 Benchmark]: Boogie Preprocessor took 63.06ms. Allocated memory is still 238.0MB. Free memory was 192.2MB in the beginning and 190.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 12:25:20,200 INFO L158 Benchmark]: RCFGBuilder took 520.51ms. Allocated memory is still 238.0MB. Free memory was 190.1MB in the beginning and 169.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-01-10 12:25:20,200 INFO L158 Benchmark]: IcfgTransformer took 105.14ms. Allocated memory is still 238.0MB. Free memory was 169.6MB in the beginning and 162.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-10 12:25:20,201 INFO L158 Benchmark]: TraceAbstraction took 1521.33ms. Allocated memory is still 238.0MB. Free memory was 162.3MB in the beginning and 183.0MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 12:25:20,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 551.70ms. Allocated memory was 182.5MB in the beginning and 238.0MB in the end (delta: 55.6MB). Free memory was 123.5MB in the beginning and 195.3MB in the end (delta: -71.8MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.25ms. Allocated memory is still 238.0MB. Free memory was 195.3MB in the beginning and 192.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.06ms. Allocated memory is still 238.0MB. Free memory was 192.2MB in the beginning and 190.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 520.51ms. Allocated memory is still 238.0MB. Free memory was 190.1MB in the beginning and 169.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * IcfgTransformer took 105.14ms. Allocated memory is still 238.0MB. Free memory was 169.6MB in the beginning and 162.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1521.33ms. Allocated memory is still 238.0MB. Free memory was 162.3MB in the beginning and 183.0MB in the end (delta: -20.7MB). There was no memory consumed. 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: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L436] int pumpRunning = 0; [L437] int systemActive = 1; [L685] int waterLevel = 1; [L686] int methaneLevelCritical = 0; [L779] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L855] int retValue_acc ; [L856] int tmp ; [L860] FCALL select_helpers() [L861] FCALL select_features() [L862] CALL, EXPR valid_product() [L904] int retValue_acc ; [L907] retValue_acc = 1 [L908] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L862] RET, EXPR valid_product() [L862] tmp = valid_product() [L864] COND TRUE \read(tmp) [L866] FCALL setup() [L867] CALL runTest() [L846] CALL test() [L616] int splverifierCounter ; [L617] int tmp ; [L618] int tmp___0 ; [L619] int tmp___1 ; [L620] int tmp___2 ; [L623] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L625] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L627] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L633] tmp = __VERIFIER_nondet_int() [L635] COND TRUE \read(tmp) [L637] CALL waterRise() [L703] COND TRUE waterLevel < 2 [L704] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] RET waterRise() [L643] tmp___0 = __VERIFIER_nondet_int() [L645] 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] [L653] tmp___2 = __VERIFIER_nondet_int() [L655] COND FALSE !(\read(tmp___2)) [L661] tmp___1 = __VERIFIER_nondet_int() [L663] COND TRUE \read(tmp___1) [L665] CALL stopSystem() [L592] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L599] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L665] RET stopSystem() [L672] CALL timeShift() [L444] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L451] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L459] CALL __utac_acc__Specification3_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L916] int tmp___1 ; [L920] CALL, EXPR isMethaneLevelCritical() [L724] int retValue_acc ; [L727] retValue_acc = methaneLevelCritical [L728] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L920] RET, EXPR isMethaneLevelCritical() [L920] tmp = isMethaneLevelCritical() [L922] COND FALSE !(\read(tmp)) [L926] CALL, EXPR getWaterLevel() [L756] int retValue_acc ; [L759] retValue_acc = waterLevel [L760] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L926] RET, EXPR getWaterLevel() [L926] tmp___0 = getWaterLevel() [L928] COND TRUE tmp___0 == 2 [L930] CALL, EXPR isPumpRunning() [L525] int retValue_acc ; [L528] retValue_acc = pumpRunning [L529] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L930] RET, EXPR isPumpRunning() [L930] tmp___1 = isPumpRunning() [L932] COND FALSE !(\read(tmp___1)) [L936] CALL __automaton_fail() [L54] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 54]: 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: 54]: 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, 119 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, 832 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 832 mSDsluCounter, 1422 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 733 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 689 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=309occurred 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, 403 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s 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 12:25:20,228 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...