./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/locks/test_locks_8.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/locks/test_locks_8.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7157ba450d9d62b74d19027a6860eb7210e35a76921ceb23a9c0a69add85337 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 03:33:31,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 03:33:31,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 03:33:31,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 03:33:31,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 03:33:31,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 03:33:31,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 03:33:31,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 03:33:31,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 03:33:31,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 03:33:31,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 03:33:31,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 03:33:31,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 03:33:31,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 03:33:31,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 03:33:31,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 03:33:31,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 03:33:31,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 03:33:31,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 03:33:31,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 03:33:31,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 03:33:31,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 03:33:31,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 03:33:31,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 03:33:31,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 03:33:31,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 03:33:31,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 03:33:31,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 03:33:31,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 03:33:31,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 03:33:31,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 03:33:31,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 03:33:31,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 03:33:31,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 03:33:31,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 03:33:31,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 03:33:31,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 03:33:31,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 03:33:31,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 03:33:31,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 03:33:31,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 03:33:31,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-02-17 03:33:31,743 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 03:33:31,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 03:33:31,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 03:33:31,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 03:33:31,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 03:33:31,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 03:33:31,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 03:33:31,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 03:33:31,745 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 03:33:31,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 03:33:31,746 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 03:33:31,746 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 03:33:31,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 03:33:31,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 03:33:31,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 03:33:31,747 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-17 03:33:31,747 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-17 03:33:31,747 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-17 03:33:31,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 03:33:31,748 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-17 03:33:31,748 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 03:33:31,748 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 03:33:31,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 03:33:31,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 03:33:31,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 03:33:31,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 03:33:31,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 03:33:31,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 03:33:31,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 03:33:31,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 03:33:31,749 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 03:33:31,750 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 03:33:31,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 03:33:31,750 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 03:33:31,750 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7157ba450d9d62b74d19027a6860eb7210e35a76921ceb23a9c0a69add85337 [2023-02-17 03:33:31,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 03:33:31,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 03:33:31,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 03:33:31,970 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 03:33:31,970 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 03:33:31,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/locks/test_locks_8.c [2023-02-17 03:33:32,911 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 03:33:33,037 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 03:33:33,037 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_8.c [2023-02-17 03:33:33,043 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176c8cc12/fa142162dcb4481f89ffd07227a92d6e/FLAGa9c01151f [2023-02-17 03:33:33,059 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176c8cc12/fa142162dcb4481f89ffd07227a92d6e [2023-02-17 03:33:33,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 03:33:33,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 03:33:33,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 03:33:33,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 03:33:33,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 03:33:33,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d75a718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33, skipping insertion in model container [2023-02-17 03:33:33,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 03:33:33,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 03:33:33,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_8.c[3218,3231] [2023-02-17 03:33:33,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 03:33:33,218 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 03:33:33,247 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_8.c[3218,3231] [2023-02-17 03:33:33,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 03:33:33,267 INFO L208 MainTranslator]: Completed translation [2023-02-17 03:33:33,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33 WrapperNode [2023-02-17 03:33:33,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 03:33:33,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 03:33:33,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 03:33:33,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 03:33:33,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,295 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2023-02-17 03:33:33,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 03:33:33,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 03:33:33,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 03:33:33,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 03:33:33,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,318 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 03:33:33,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 03:33:33,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 03:33:33,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 03:33:33,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (1/1) ... [2023-02-17 03:33:33,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 03:33:33,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 03:33:33,362 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) [2023-02-17 03:33:33,381 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 [2023-02-17 03:33:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-17 03:33:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 03:33:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 03:33:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-17 03:33:33,444 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 03:33:33,446 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 03:33:33,588 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 03:33:33,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 03:33:33,593 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 03:33:33,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:33:33 BoogieIcfgContainer [2023-02-17 03:33:33,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 03:33:33,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 03:33:33,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 03:33:33,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 03:33:33,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 03:33:33" (1/3) ... [2023-02-17 03:33:33,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ff7298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:33:33, skipping insertion in model container [2023-02-17 03:33:33,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:33:33" (2/3) ... [2023-02-17 03:33:33,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ff7298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:33:33, skipping insertion in model container [2023-02-17 03:33:33,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:33:33" (3/3) ... [2023-02-17 03:33:33,625 INFO L112 eAbstractionObserver]: Analyzing ICFG test_locks_8.c [2023-02-17 03:33:33,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 03:33:33,648 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-02-17 03:33:33,704 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 03:33:33,708 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6d546c37, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 03:33:33,709 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-02-17 03:33:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 32 states have (on average 1.90625) internal successors, (61), 34 states have internal predecessors, (61), 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) [2023-02-17 03:33:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-17 03:33:33,715 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:33,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-17 03:33:33,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:33,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:33,719 INFO L85 PathProgramCache]: Analyzing trace with hash 28702379, now seen corresponding path program 1 times [2023-02-17 03:33:33,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:33,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814673982] [2023-02-17 03:33:33,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:33,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:33,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:33,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:33,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814673982] [2023-02-17 03:33:33,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814673982] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:33,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:33,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 03:33:33,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357641243] [2023-02-17 03:33:33,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:33,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-17 03:33:33,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:33,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-17 03:33:33,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-17 03:33:33,871 INFO L87 Difference]: Start difference. First operand has 35 states, 32 states have (on average 1.90625) internal successors, (61), 34 states have internal predecessors, (61), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-02-17 03:33:33,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:33,884 INFO L93 Difference]: Finished difference Result 35 states and 58 transitions. [2023-02-17 03:33:33,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-17 03:33:33,885 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2023-02-17 03:33:33,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:33,890 INFO L225 Difference]: With dead ends: 35 [2023-02-17 03:33:33,890 INFO L226 Difference]: Without dead ends: 33 [2023-02-17 03:33:33,891 INFO L412 NwaCegarLoop]: 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 [2023-02-17 03:33:33,894 INFO L413 NwaCegarLoop]: 58 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, 58 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 [2023-02-17 03:33:33,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:33,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-02-17 03:33:33,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-02-17 03:33:33,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 32 states have internal predecessors, (56), 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) [2023-02-17 03:33:33,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 56 transitions. [2023-02-17 03:33:33,919 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 56 transitions. Word has length 5 [2023-02-17 03:33:33,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:33,919 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 56 transitions. [2023-02-17 03:33:33,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-02-17 03:33:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2023-02-17 03:33:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-17 03:33:33,920 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:33,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-17 03:33:33,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 03:33:33,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:33,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:33,922 INFO L85 PathProgramCache]: Analyzing trace with hash 889696875, now seen corresponding path program 1 times [2023-02-17 03:33:33,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:33,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430020515] [2023-02-17 03:33:33,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:33,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:33,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:33,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430020515] [2023-02-17 03:33:33,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430020515] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:33,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:33,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 03:33:33,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196251023] [2023-02-17 03:33:33,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:33,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:33,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:33,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:33,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:33,961 INFO L87 Difference]: Start difference. First operand 33 states and 56 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-02-17 03:33:33,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:33,970 INFO L93 Difference]: Finished difference Result 32 states and 55 transitions. [2023-02-17 03:33:33,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:33,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-02-17 03:33:33,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:33,977 INFO L225 Difference]: With dead ends: 32 [2023-02-17 03:33:33,977 INFO L226 Difference]: Without dead ends: 30 [2023-02-17 03:33:33,977 INFO L412 NwaCegarLoop]: 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 [2023-02-17 03:33:33,978 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:33,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 55 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:33,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-02-17 03:33:33,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-02-17 03:33:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.8275862068965518) internal successors, (53), 29 states have internal predecessors, (53), 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) [2023-02-17 03:33:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 53 transitions. [2023-02-17 03:33:33,981 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 53 transitions. Word has length 6 [2023-02-17 03:33:33,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:33,981 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 53 transitions. [2023-02-17 03:33:33,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-02-17 03:33:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2023-02-17 03:33:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-17 03:33:33,982 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:33,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:33,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 03:33:33,982 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:33,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:33,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1577492323, now seen corresponding path program 1 times [2023-02-17 03:33:33,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:33,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711793743] [2023-02-17 03:33:33,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:33,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711793743] [2023-02-17 03:33:34,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711793743] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586014010] [2023-02-17 03:33:34,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,056 INFO L87 Difference]: Start difference. First operand 30 states and 53 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-02-17 03:33:34,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,094 INFO L93 Difference]: Finished difference Result 57 states and 101 transitions. [2023-02-17 03:33:34,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2023-02-17 03:33:34,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,095 INFO L225 Difference]: With dead ends: 57 [2023-02-17 03:33:34,096 INFO L226 Difference]: Without dead ends: 57 [2023-02-17 03:33:34,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,097 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 38 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 103 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-17 03:33:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 39. [2023-02-17 03:33:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.8421052631578947) internal successors, (70), 38 states have internal predecessors, (70), 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) [2023-02-17 03:33:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 70 transitions. [2023-02-17 03:33:34,101 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 70 transitions. Word has length 15 [2023-02-17 03:33:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,101 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 70 transitions. [2023-02-17 03:33:34,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-02-17 03:33:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2023-02-17 03:33:34,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-17 03:33:34,102 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-17 03:33:34,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,103 INFO L85 PathProgramCache]: Analyzing trace with hash -876427745, now seen corresponding path program 1 times [2023-02-17 03:33:34,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557273466] [2023-02-17 03:33:34,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557273466] [2023-02-17 03:33:34,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557273466] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263460127] [2023-02-17 03:33:34,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,143 INFO L87 Difference]: Start difference. First operand 39 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-02-17 03:33:34,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,157 INFO L93 Difference]: Finished difference Result 57 states and 99 transitions. [2023-02-17 03:33:34,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2023-02-17 03:33:34,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,159 INFO L225 Difference]: With dead ends: 57 [2023-02-17 03:33:34,159 INFO L226 Difference]: Without dead ends: 57 [2023-02-17 03:33:34,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,161 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 38 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 115 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-17 03:33:34,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2023-02-17 03:33:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.8148148148148149) internal successors, (98), 54 states have internal predecessors, (98), 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) [2023-02-17 03:33:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 98 transitions. [2023-02-17 03:33:34,171 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 98 transitions. Word has length 15 [2023-02-17 03:33:34,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,171 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 98 transitions. [2023-02-17 03:33:34,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-02-17 03:33:34,173 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2023-02-17 03:33:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-17 03:33:34,173 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-17 03:33:34,174 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1657407761, now seen corresponding path program 1 times [2023-02-17 03:33:34,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027754117] [2023-02-17 03:33:34,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027754117] [2023-02-17 03:33:34,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027754117] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037318525] [2023-02-17 03:33:34,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,242 INFO L87 Difference]: Start difference. First operand 55 states and 98 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-02-17 03:33:34,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,253 INFO L93 Difference]: Finished difference Result 60 states and 101 transitions. [2023-02-17 03:33:34,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2023-02-17 03:33:34,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,254 INFO L225 Difference]: With dead ends: 60 [2023-02-17 03:33:34,254 INFO L226 Difference]: Without dead ends: 60 [2023-02-17 03:33:34,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,256 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 40 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 128 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-02-17 03:33:34,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2023-02-17 03:33:34,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.7543859649122806) internal successors, (100), 57 states have internal predecessors, (100), 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) [2023-02-17 03:33:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 100 transitions. [2023-02-17 03:33:34,262 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 100 transitions. Word has length 16 [2023-02-17 03:33:34,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,262 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 100 transitions. [2023-02-17 03:33:34,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-02-17 03:33:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 100 transitions. [2023-02-17 03:33:34,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-17 03:33:34,263 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-17 03:33:34,263 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1399242323, now seen corresponding path program 1 times [2023-02-17 03:33:34,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078060962] [2023-02-17 03:33:34,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078060962] [2023-02-17 03:33:34,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078060962] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801582424] [2023-02-17 03:33:34,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,300 INFO L87 Difference]: Start difference. First operand 58 states and 100 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-02-17 03:33:34,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,321 INFO L93 Difference]: Finished difference Result 107 states and 186 transitions. [2023-02-17 03:33:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2023-02-17 03:33:34,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,322 INFO L225 Difference]: With dead ends: 107 [2023-02-17 03:33:34,322 INFO L226 Difference]: Without dead ends: 107 [2023-02-17 03:33:34,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,323 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 35 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 101 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-02-17 03:33:34,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 77. [2023-02-17 03:33:34,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.75) internal successors, (133), 76 states have internal predecessors, (133), 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) [2023-02-17 03:33:34,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 133 transitions. [2023-02-17 03:33:34,328 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 133 transitions. Word has length 16 [2023-02-17 03:33:34,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,329 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 133 transitions. [2023-02-17 03:33:34,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-02-17 03:33:34,329 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2023-02-17 03:33:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-17 03:33:34,329 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-17 03:33:34,330 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,330 INFO L85 PathProgramCache]: Analyzing trace with hash -698177745, now seen corresponding path program 1 times [2023-02-17 03:33:34,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590233611] [2023-02-17 03:33:34,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590233611] [2023-02-17 03:33:34,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590233611] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584377539] [2023-02-17 03:33:34,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,362 INFO L87 Difference]: Start difference. First operand 77 states and 133 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-02-17 03:33:34,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,376 INFO L93 Difference]: Finished difference Result 109 states and 184 transitions. [2023-02-17 03:33:34,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2023-02-17 03:33:34,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,377 INFO L225 Difference]: With dead ends: 109 [2023-02-17 03:33:34,377 INFO L226 Difference]: Without dead ends: 109 [2023-02-17 03:33:34,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,378 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 37 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 116 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-02-17 03:33:34,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2023-02-17 03:33:34,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.7264150943396226) internal successors, (183), 106 states have internal predecessors, (183), 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) [2023-02-17 03:33:34,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 183 transitions. [2023-02-17 03:33:34,388 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 183 transitions. Word has length 16 [2023-02-17 03:33:34,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,388 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 183 transitions. [2023-02-17 03:33:34,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-02-17 03:33:34,388 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 183 transitions. [2023-02-17 03:33:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-17 03:33:34,389 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-17 03:33:34,389 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,389 INFO L85 PathProgramCache]: Analyzing trace with hash -426624716, now seen corresponding path program 1 times [2023-02-17 03:33:34,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138543066] [2023-02-17 03:33:34,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138543066] [2023-02-17 03:33:34,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138543066] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58905961] [2023-02-17 03:33:34,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,433 INFO L87 Difference]: Start difference. First operand 107 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-02-17 03:33:34,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,444 INFO L93 Difference]: Finished difference Result 111 states and 184 transitions. [2023-02-17 03:33:34,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2023-02-17 03:33:34,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,445 INFO L225 Difference]: With dead ends: 111 [2023-02-17 03:33:34,445 INFO L226 Difference]: Without dead ends: 111 [2023-02-17 03:33:34,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,446 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 39 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 124 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-02-17 03:33:34,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2023-02-17 03:33:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.6944444444444444) internal successors, (183), 108 states have internal predecessors, (183), 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) [2023-02-17 03:33:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 183 transitions. [2023-02-17 03:33:34,458 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 183 transitions. Word has length 17 [2023-02-17 03:33:34,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,461 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 183 transitions. [2023-02-17 03:33:34,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-02-17 03:33:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 183 transitions. [2023-02-17 03:33:34,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-17 03:33:34,461 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-17 03:33:34,462 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,462 INFO L85 PathProgramCache]: Analyzing trace with hash -168459278, now seen corresponding path program 1 times [2023-02-17 03:33:34,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622256637] [2023-02-17 03:33:34,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622256637] [2023-02-17 03:33:34,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622256637] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030672563] [2023-02-17 03:33:34,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,492 INFO L87 Difference]: Start difference. First operand 109 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-02-17 03:33:34,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,506 INFO L93 Difference]: Finished difference Result 207 states and 340 transitions. [2023-02-17 03:33:34,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2023-02-17 03:33:34,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,507 INFO L225 Difference]: With dead ends: 207 [2023-02-17 03:33:34,507 INFO L226 Difference]: Without dead ends: 207 [2023-02-17 03:33:34,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,508 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 37 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 103 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-02-17 03:33:34,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 205. [2023-02-17 03:33:34,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.661764705882353) internal successors, (339), 204 states have internal predecessors, (339), 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) [2023-02-17 03:33:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 339 transitions. [2023-02-17 03:33:34,516 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 339 transitions. Word has length 17 [2023-02-17 03:33:34,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,516 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 339 transitions. [2023-02-17 03:33:34,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-02-17 03:33:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 339 transitions. [2023-02-17 03:33:34,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-17 03:33:34,517 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-17 03:33:34,517 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,518 INFO L85 PathProgramCache]: Analyzing trace with hash -869523856, now seen corresponding path program 1 times [2023-02-17 03:33:34,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854304933] [2023-02-17 03:33:34,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854304933] [2023-02-17 03:33:34,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854304933] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697241778] [2023-02-17 03:33:34,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,538 INFO L87 Difference]: Start difference. First operand 205 states and 339 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-02-17 03:33:34,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,550 INFO L93 Difference]: Finished difference Result 255 states and 424 transitions. [2023-02-17 03:33:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2023-02-17 03:33:34,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,551 INFO L225 Difference]: With dead ends: 255 [2023-02-17 03:33:34,551 INFO L226 Difference]: Without dead ends: 255 [2023-02-17 03:33:34,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,559 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 32 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 134 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-02-17 03:33:34,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 205. [2023-02-17 03:33:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.642156862745098) internal successors, (335), 204 states have internal predecessors, (335), 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) [2023-02-17 03:33:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 335 transitions. [2023-02-17 03:33:34,571 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 335 transitions. Word has length 17 [2023-02-17 03:33:34,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,571 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 335 transitions. [2023-02-17 03:33:34,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-02-17 03:33:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 335 transitions. [2023-02-17 03:33:34,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-17 03:33:34,572 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-17 03:33:34,573 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,573 INFO L85 PathProgramCache]: Analyzing trace with hash -927055644, now seen corresponding path program 1 times [2023-02-17 03:33:34,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545668373] [2023-02-17 03:33:34,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545668373] [2023-02-17 03:33:34,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545668373] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304917132] [2023-02-17 03:33:34,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,598 INFO L87 Difference]: Start difference. First operand 205 states and 335 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-02-17 03:33:34,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,604 INFO L93 Difference]: Finished difference Result 371 states and 608 transitions. [2023-02-17 03:33:34,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2023-02-17 03:33:34,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,606 INFO L225 Difference]: With dead ends: 371 [2023-02-17 03:33:34,606 INFO L226 Difference]: Without dead ends: 371 [2023-02-17 03:33:34,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,606 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 29 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 97 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-02-17 03:33:34,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 289. [2023-02-17 03:33:34,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.6076388888888888) internal successors, (463), 288 states have internal predecessors, (463), 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) [2023-02-17 03:33:34,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 463 transitions. [2023-02-17 03:33:34,620 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 463 transitions. Word has length 18 [2023-02-17 03:33:34,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,620 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 463 transitions. [2023-02-17 03:33:34,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-02-17 03:33:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 463 transitions. [2023-02-17 03:33:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-17 03:33:34,622 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-17 03:33:34,622 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,623 INFO L85 PathProgramCache]: Analyzing trace with hash -225991066, now seen corresponding path program 1 times [2023-02-17 03:33:34,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584726568] [2023-02-17 03:33:34,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584726568] [2023-02-17 03:33:34,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584726568] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742512716] [2023-02-17 03:33:34,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,642 INFO L87 Difference]: Start difference. First operand 289 states and 463 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-02-17 03:33:34,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,653 INFO L93 Difference]: Finished difference Result 395 states and 620 transitions. [2023-02-17 03:33:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2023-02-17 03:33:34,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,655 INFO L225 Difference]: With dead ends: 395 [2023-02-17 03:33:34,655 INFO L226 Difference]: Without dead ends: 395 [2023-02-17 03:33:34,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,656 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 35 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 118 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-02-17 03:33:34,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 393. [2023-02-17 03:33:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 392 states have (on average 1.5790816326530612) internal successors, (619), 392 states have internal predecessors, (619), 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) [2023-02-17 03:33:34,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 619 transitions. [2023-02-17 03:33:34,670 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 619 transitions. Word has length 18 [2023-02-17 03:33:34,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,670 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 619 transitions. [2023-02-17 03:33:34,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-02-17 03:33:34,671 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 619 transitions. [2023-02-17 03:33:34,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-17 03:33:34,676 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-17 03:33:34,677 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1326261127, now seen corresponding path program 1 times [2023-02-17 03:33:34,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759526980] [2023-02-17 03:33:34,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759526980] [2023-02-17 03:33:34,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759526980] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599283907] [2023-02-17 03:33:34,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,716 INFO L87 Difference]: Start difference. First operand 393 states and 619 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2023-02-17 03:33:34,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,726 INFO L93 Difference]: Finished difference Result 407 states and 628 transitions. [2023-02-17 03:33:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 [2023-02-17 03:33:34,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,727 INFO L225 Difference]: With dead ends: 407 [2023-02-17 03:33:34,728 INFO L226 Difference]: Without dead ends: 407 [2023-02-17 03:33:34,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,729 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 37 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 116 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2023-02-17 03:33:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 405. [2023-02-17 03:33:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 404 states have (on average 1.551980198019802) internal successors, (627), 404 states have internal predecessors, (627), 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) [2023-02-17 03:33:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 627 transitions. [2023-02-17 03:33:34,737 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 627 transitions. Word has length 19 [2023-02-17 03:33:34,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,737 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 627 transitions. [2023-02-17 03:33:34,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2023-02-17 03:33:34,737 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 627 transitions. [2023-02-17 03:33:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-17 03:33:34,738 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-17 03:33:34,739 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1584426565, now seen corresponding path program 1 times [2023-02-17 03:33:34,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438229740] [2023-02-17 03:33:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438229740] [2023-02-17 03:33:34,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438229740] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542856607] [2023-02-17 03:33:34,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,766 INFO L87 Difference]: Start difference. First operand 405 states and 627 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2023-02-17 03:33:34,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,781 INFO L93 Difference]: Finished difference Result 711 states and 1100 transitions. [2023-02-17 03:33:34,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 [2023-02-17 03:33:34,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,785 INFO L225 Difference]: With dead ends: 711 [2023-02-17 03:33:34,785 INFO L226 Difference]: Without dead ends: 711 [2023-02-17 03:33:34,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,786 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 26 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 95 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2023-02-17 03:33:34,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 581. [2023-02-17 03:33:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 580 states have (on average 1.5086206896551724) internal successors, (875), 580 states have internal predecessors, (875), 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) [2023-02-17 03:33:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 875 transitions. [2023-02-17 03:33:34,800 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 875 transitions. Word has length 19 [2023-02-17 03:33:34,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,800 INFO L495 AbstractCegarLoop]: Abstraction has 581 states and 875 transitions. [2023-02-17 03:33:34,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2023-02-17 03:33:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 875 transitions. [2023-02-17 03:33:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-17 03:33:34,802 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-17 03:33:34,802 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,802 INFO L85 PathProgramCache]: Analyzing trace with hash -2009476153, now seen corresponding path program 1 times [2023-02-17 03:33:34,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927007202] [2023-02-17 03:33:34,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927007202] [2023-02-17 03:33:34,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927007202] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659511099] [2023-02-17 03:33:34,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,827 INFO L87 Difference]: Start difference. First operand 581 states and 875 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2023-02-17 03:33:34,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,835 INFO L93 Difference]: Finished difference Result 775 states and 1140 transitions. [2023-02-17 03:33:34,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 [2023-02-17 03:33:34,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,837 INFO L225 Difference]: With dead ends: 775 [2023-02-17 03:33:34,837 INFO L226 Difference]: Without dead ends: 775 [2023-02-17 03:33:34,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,839 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 34 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 119 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2023-02-17 03:33:34,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 773. [2023-02-17 03:33:34,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 772 states have (on average 1.4753886010362693) internal successors, (1139), 772 states have internal predecessors, (1139), 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) [2023-02-17 03:33:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1139 transitions. [2023-02-17 03:33:34,851 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1139 transitions. Word has length 19 [2023-02-17 03:33:34,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,851 INFO L495 AbstractCegarLoop]: Abstraction has 773 states and 1139 transitions. [2023-02-17 03:33:34,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2023-02-17 03:33:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1139 transitions. [2023-02-17 03:33:34,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-17 03:33:34,852 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-02-17 03:33:34,853 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1872798619, now seen corresponding path program 1 times [2023-02-17 03:33:34,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411439486] [2023-02-17 03:33:34,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411439486] [2023-02-17 03:33:34,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411439486] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981633744] [2023-02-17 03:33:34,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,879 INFO L87 Difference]: Start difference. First operand 773 states and 1139 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2023-02-17 03:33:34,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,889 INFO L93 Difference]: Finished difference Result 791 states and 1140 transitions. [2023-02-17 03:33:34,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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 [2023-02-17 03:33:34,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,891 INFO L225 Difference]: With dead ends: 791 [2023-02-17 03:33:34,891 INFO L226 Difference]: Without dead ends: 791 [2023-02-17 03:33:34,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,891 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 36 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 112 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2023-02-17 03:33:34,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 789. [2023-02-17 03:33:34,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.4454314720812182) internal successors, (1139), 788 states have internal predecessors, (1139), 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) [2023-02-17 03:33:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1139 transitions. [2023-02-17 03:33:34,902 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1139 transitions. Word has length 20 [2023-02-17 03:33:34,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,902 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1139 transitions. [2023-02-17 03:33:34,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2023-02-17 03:33:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1139 transitions. [2023-02-17 03:33:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-17 03:33:34,904 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-02-17 03:33:34,904 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,905 INFO L85 PathProgramCache]: Analyzing trace with hash 2130964057, now seen corresponding path program 1 times [2023-02-17 03:33:34,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881108930] [2023-02-17 03:33:34,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881108930] [2023-02-17 03:33:34,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881108930] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465081287] [2023-02-17 03:33:34,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,936 INFO L87 Difference]: Start difference. First operand 789 states and 1139 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2023-02-17 03:33:34,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,949 INFO L93 Difference]: Finished difference Result 1351 states and 1940 transitions. [2023-02-17 03:33:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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 [2023-02-17 03:33:34,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,953 INFO L225 Difference]: With dead ends: 1351 [2023-02-17 03:33:34,953 INFO L226 Difference]: Without dead ends: 1351 [2023-02-17 03:33:34,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,953 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 23 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:34,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 93 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:34,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2023-02-17 03:33:34,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1157. [2023-02-17 03:33:34,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.4005190311418685) internal successors, (1619), 1156 states have internal predecessors, (1619), 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) [2023-02-17 03:33:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1619 transitions. [2023-02-17 03:33:34,968 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1619 transitions. Word has length 20 [2023-02-17 03:33:34,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:34,968 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1619 transitions. [2023-02-17 03:33:34,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2023-02-17 03:33:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1619 transitions. [2023-02-17 03:33:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-17 03:33:34,969 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:34,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:34,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-17 03:33:34,969 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:34,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:34,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1462938661, now seen corresponding path program 1 times [2023-02-17 03:33:34,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:34,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913803249] [2023-02-17 03:33:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:34,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:34,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:34,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913803249] [2023-02-17 03:33:34,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913803249] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:34,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:34,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:34,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747157527] [2023-02-17 03:33:34,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:34,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:34,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:34,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:34,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:34,984 INFO L87 Difference]: Start difference. First operand 1157 states and 1619 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2023-02-17 03:33:34,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:34,994 INFO L93 Difference]: Finished difference Result 1511 states and 2052 transitions. [2023-02-17 03:33:34,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:34,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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 [2023-02-17 03:33:34,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:34,999 INFO L225 Difference]: With dead ends: 1511 [2023-02-17 03:33:34,999 INFO L226 Difference]: Without dead ends: 1511 [2023-02-17 03:33:34,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,001 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 33 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:35,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 120 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:35,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2023-02-17 03:33:35,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1509. [2023-02-17 03:33:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1508 states have (on average 1.360079575596817) internal successors, (2051), 1508 states have internal predecessors, (2051), 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) [2023-02-17 03:33:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2051 transitions. [2023-02-17 03:33:35,040 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2051 transitions. Word has length 20 [2023-02-17 03:33:35,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:35,041 INFO L495 AbstractCegarLoop]: Abstraction has 1509 states and 2051 transitions. [2023-02-17 03:33:35,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2023-02-17 03:33:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2051 transitions. [2023-02-17 03:33:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-17 03:33:35,042 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:35,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:35,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-02-17 03:33:35,042 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:35,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:35,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1635592028, now seen corresponding path program 1 times [2023-02-17 03:33:35,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:35,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456467618] [2023-02-17 03:33:35,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:35,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:35,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:35,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456467618] [2023-02-17 03:33:35,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456467618] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:35,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:35,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:35,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027242345] [2023-02-17 03:33:35,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:35,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:35,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:35,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:35,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,063 INFO L87 Difference]: Start difference. First operand 1509 states and 2051 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-02-17 03:33:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:35,073 INFO L93 Difference]: Finished difference Result 1543 states and 2052 transitions. [2023-02-17 03:33:35,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:35,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2023-02-17 03:33:35,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:35,076 INFO L225 Difference]: With dead ends: 1543 [2023-02-17 03:33:35,076 INFO L226 Difference]: Without dead ends: 1543 [2023-02-17 03:33:35,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,077 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 35 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:35,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 108 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:35,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2023-02-17 03:33:35,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1541. [2023-02-17 03:33:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 1540 states have (on average 1.3318181818181818) internal successors, (2051), 1540 states have internal predecessors, (2051), 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) [2023-02-17 03:33:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2051 transitions. [2023-02-17 03:33:35,095 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2051 transitions. Word has length 21 [2023-02-17 03:33:35,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:35,095 INFO L495 AbstractCegarLoop]: Abstraction has 1541 states and 2051 transitions. [2023-02-17 03:33:35,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-02-17 03:33:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2051 transitions. [2023-02-17 03:33:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-17 03:33:35,096 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:35,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:35,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-02-17 03:33:35,097 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:35,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:35,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1893757466, now seen corresponding path program 1 times [2023-02-17 03:33:35,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:35,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326947309] [2023-02-17 03:33:35,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:35,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:35,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:35,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:35,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326947309] [2023-02-17 03:33:35,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326947309] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:35,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:35,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:35,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191668395] [2023-02-17 03:33:35,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:35,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:35,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:35,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:35,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,111 INFO L87 Difference]: Start difference. First operand 1541 states and 2051 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-02-17 03:33:35,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:35,123 INFO L93 Difference]: Finished difference Result 2567 states and 3364 transitions. [2023-02-17 03:33:35,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:35,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2023-02-17 03:33:35,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:35,129 INFO L225 Difference]: With dead ends: 2567 [2023-02-17 03:33:35,129 INFO L226 Difference]: Without dead ends: 2567 [2023-02-17 03:33:35,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,130 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 20 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:35,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 91 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:35,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2023-02-17 03:33:35,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2309. [2023-02-17 03:33:35,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 2308 states have (on average 1.290727902946274) internal successors, (2979), 2308 states have internal predecessors, (2979), 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) [2023-02-17 03:33:35,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 2979 transitions. [2023-02-17 03:33:35,162 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 2979 transitions. Word has length 21 [2023-02-17 03:33:35,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:35,162 INFO L495 AbstractCegarLoop]: Abstraction has 2309 states and 2979 transitions. [2023-02-17 03:33:35,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-02-17 03:33:35,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2979 transitions. [2023-02-17 03:33:35,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-17 03:33:35,164 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:35,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:35,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-02-17 03:33:35,164 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:35,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:35,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1700145252, now seen corresponding path program 1 times [2023-02-17 03:33:35,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:35,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39283087] [2023-02-17 03:33:35,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:35,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:35,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:35,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:35,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39283087] [2023-02-17 03:33:35,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39283087] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:35,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:35,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:35,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587054124] [2023-02-17 03:33:35,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:35,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:35,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:35,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:35,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,178 INFO L87 Difference]: Start difference. First operand 2309 states and 2979 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-02-17 03:33:35,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:35,192 INFO L93 Difference]: Finished difference Result 2951 states and 3652 transitions. [2023-02-17 03:33:35,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:35,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2023-02-17 03:33:35,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:35,198 INFO L225 Difference]: With dead ends: 2951 [2023-02-17 03:33:35,198 INFO L226 Difference]: Without dead ends: 2951 [2023-02-17 03:33:35,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,199 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 32 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:35,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 121 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:35,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2023-02-17 03:33:35,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2949. [2023-02-17 03:33:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2948 states have (on average 1.2384667571234735) internal successors, (3651), 2948 states have internal predecessors, (3651), 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) [2023-02-17 03:33:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 3651 transitions. [2023-02-17 03:33:35,262 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 3651 transitions. Word has length 21 [2023-02-17 03:33:35,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:35,262 INFO L495 AbstractCegarLoop]: Abstraction has 2949 states and 3651 transitions. [2023-02-17 03:33:35,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-02-17 03:33:35,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 3651 transitions. [2023-02-17 03:33:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-17 03:33:35,265 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:35,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:35,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-02-17 03:33:35,265 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:35,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:35,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1422844656, now seen corresponding path program 1 times [2023-02-17 03:33:35,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:35,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077906963] [2023-02-17 03:33:35,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:35,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:35,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077906963] [2023-02-17 03:33:35,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077906963] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:35,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:35,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:35,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821375748] [2023-02-17 03:33:35,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:35,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:35,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:35,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:35,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,282 INFO L87 Difference]: Start difference. First operand 2949 states and 3651 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-02-17 03:33:35,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:35,297 INFO L93 Difference]: Finished difference Result 3015 states and 3652 transitions. [2023-02-17 03:33:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:35,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2023-02-17 03:33:35,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:35,304 INFO L225 Difference]: With dead ends: 3015 [2023-02-17 03:33:35,304 INFO L226 Difference]: Without dead ends: 3015 [2023-02-17 03:33:35,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,306 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 34 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:35,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 104 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:35,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2023-02-17 03:33:35,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 3013. [2023-02-17 03:33:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3013 states, 3012 states have (on average 1.2121513944223108) internal successors, (3651), 3012 states have internal predecessors, (3651), 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) [2023-02-17 03:33:35,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 3651 transitions. [2023-02-17 03:33:35,345 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 3651 transitions. Word has length 22 [2023-02-17 03:33:35,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:35,345 INFO L495 AbstractCegarLoop]: Abstraction has 3013 states and 3651 transitions. [2023-02-17 03:33:35,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-02-17 03:33:35,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 3651 transitions. [2023-02-17 03:33:35,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-17 03:33:35,349 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:35,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:35,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-02-17 03:33:35,349 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:35,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:35,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1164679218, now seen corresponding path program 1 times [2023-02-17 03:33:35,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:35,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289446602] [2023-02-17 03:33:35,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:35,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:35,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:35,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289446602] [2023-02-17 03:33:35,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289446602] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:35,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:35,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:35,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885669827] [2023-02-17 03:33:35,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:35,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:35,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:35,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:35,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,366 INFO L87 Difference]: Start difference. First operand 3013 states and 3651 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-02-17 03:33:35,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:35,382 INFO L93 Difference]: Finished difference Result 4869 states and 5699 transitions. [2023-02-17 03:33:35,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:35,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2023-02-17 03:33:35,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:35,393 INFO L225 Difference]: With dead ends: 4869 [2023-02-17 03:33:35,393 INFO L226 Difference]: Without dead ends: 4869 [2023-02-17 03:33:35,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,394 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 16 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:35,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 88 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:35,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4869 states. [2023-02-17 03:33:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4869 to 4613. [2023-02-17 03:33:35,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4613 states, 4612 states have (on average 1.180182133564614) internal successors, (5443), 4612 states have internal predecessors, (5443), 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) [2023-02-17 03:33:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4613 states to 4613 states and 5443 transitions. [2023-02-17 03:33:35,462 INFO L78 Accepts]: Start accepts. Automaton has 4613 states and 5443 transitions. Word has length 22 [2023-02-17 03:33:35,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:35,462 INFO L495 AbstractCegarLoop]: Abstraction has 4613 states and 5443 transitions. [2023-02-17 03:33:35,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-02-17 03:33:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 4613 states and 5443 transitions. [2023-02-17 03:33:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-17 03:33:35,469 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 03:33:35,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 03:33:35,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-02-17 03:33:35,470 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-17 03:33:35,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 03:33:35,470 INFO L85 PathProgramCache]: Analyzing trace with hash -463614640, now seen corresponding path program 1 times [2023-02-17 03:33:35,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 03:33:35,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621174170] [2023-02-17 03:33:35,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 03:33:35,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 03:33:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 03:33:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 03:33:35,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 03:33:35,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621174170] [2023-02-17 03:33:35,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621174170] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 03:33:35,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 03:33:35,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 03:33:35,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536335639] [2023-02-17 03:33:35,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 03:33:35,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 03:33:35,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 03:33:35,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 03:33:35,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,488 INFO L87 Difference]: Start difference. First operand 4613 states and 5443 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-02-17 03:33:35,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 03:33:35,512 INFO L93 Difference]: Finished difference Result 5763 states and 6402 transitions. [2023-02-17 03:33:35,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 03:33:35,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2023-02-17 03:33:35,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 03:33:35,513 INFO L225 Difference]: With dead ends: 5763 [2023-02-17 03:33:35,513 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 03:33:35,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 03:33:35,514 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 30 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 03:33:35,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 120 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 03:33:35,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 03:33:35,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 03:33:35,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-02-17 03:33:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 03:33:35,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-02-17 03:33:35,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 03:33:35,514 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 03:33:35,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-02-17 03:33:35,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 03:33:35,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 03:33:35,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2023-02-17 03:33:35,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2023-02-17 03:33:35,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-02-17 03:33:35,521 INFO L445 BasicCegarLoop]: Path program 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] [2023-02-17 03:33:35,522 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 03:33:35,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 03:33:35 BoogieIcfgContainer [2023-02-17 03:33:35,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 03:33:35,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 03:33:35,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 03:33:35,526 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 03:33:35,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:33:33" (3/4) ... [2023-02-17 03:33:35,528 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 03:33:35,537 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-02-17 03:33:35,537 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-17 03:33:35,537 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-17 03:33:35,537 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 03:33:35,568 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 03:33:35,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 03:33:35,569 INFO L158 Benchmark]: Toolchain (without parser) took 2506.87ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 81.8MB in the beginning and 79.8MB in the end (delta: 2.0MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-02-17 03:33:35,569 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 99.1MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 03:33:35,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.52ms. Allocated memory is still 125.8MB. Free memory was 81.8MB in the beginning and 71.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 03:33:35,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.02ms. Allocated memory is still 125.8MB. Free memory was 71.1MB in the beginning and 69.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 03:33:35,570 INFO L158 Benchmark]: Boogie Preprocessor took 23.58ms. Allocated memory is still 125.8MB. Free memory was 69.3MB in the beginning and 68.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 03:33:35,570 INFO L158 Benchmark]: RCFGBuilder took 273.98ms. Allocated memory is still 125.8MB. Free memory was 68.1MB in the beginning and 55.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-17 03:33:35,570 INFO L158 Benchmark]: TraceAbstraction took 1919.13ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 55.0MB in the beginning and 82.9MB in the end (delta: -27.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 03:33:35,571 INFO L158 Benchmark]: Witness Printer took 42.42ms. Allocated memory is still 151.0MB. Free memory was 82.9MB in the beginning and 79.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 03:33:35,576 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 125.8MB. Free memory was 99.3MB in the beginning and 99.1MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.52ms. Allocated memory is still 125.8MB. Free memory was 81.8MB in the beginning and 71.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.02ms. Allocated memory is still 125.8MB. Free memory was 71.1MB in the beginning and 69.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.58ms. Allocated memory is still 125.8MB. Free memory was 69.3MB in the beginning and 68.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 273.98ms. Allocated memory is still 125.8MB. Free memory was 68.1MB in the beginning and 55.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1919.13ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 55.0MB in the beginning and 82.9MB in the end (delta: -27.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 42.42ms. Allocated memory is still 151.0MB. Free memory was 82.9MB in the beginning and 79.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 135]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 766 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 766 mSDsluCounter, 2539 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 960 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 1579 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4613occurred in iteration=23, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 24 MinimizatonAttempts, 1044 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 422 NumberOfCodeBlocks, 422 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 822 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-02-17 03:33:35,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE