./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 3dbbec33 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-?-3dbbec3 [2023-02-14 14:01:53,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 14:01:53,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 14:01:53,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 14:01:53,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 14:01:53,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 14:01:53,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 14:01:53,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 14:01:53,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 14:01:53,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 14:01:53,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 14:01:53,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 14:01:53,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 14:01:53,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 14:01:53,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 14:01:53,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 14:01:53,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 14:01:53,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 14:01:53,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 14:01:53,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 14:01:53,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 14:01:53,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 14:01:53,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 14:01:53,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 14:01:53,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 14:01:53,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 14:01:53,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 14:01:53,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 14:01:53,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 14:01:53,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 14:01:53,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 14:01:53,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 14:01:53,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 14:01:53,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 14:01:53,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 14:01:53,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 14:01:53,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 14:01:53,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 14:01:53,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 14:01:53,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 14:01:53,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 14:01:53,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-02-14 14:01:53,256 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 14:01:53,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 14:01:53,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 14:01:53,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 14:01:53,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 14:01:53,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 14:01:53,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 14:01:53,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 14:01:53,257 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 14:01:53,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 14:01:53,258 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 14:01:53,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 14:01:53,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 14:01:53,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 14:01:53,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 14:01:53,258 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-14 14:01:53,258 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-14 14:01:53,259 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-14 14:01:53,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 14:01:53,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 14:01:53,259 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 14:01:53,259 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 14:01:53,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 14:01:53,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 14:01:53,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 14:01:53,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:01:53,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 14:01:53,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 14:01:53,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 14:01:53,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 14:01:53,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 14:01:53,260 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 14:01:53,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 14:01:53,261 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 14:01:53,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7157ba450d9d62b74d19027a6860eb7210e35a76921ceb23a9c0a69add85337 [2023-02-14 14:01:53,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 14:01:53,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 14:01:53,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 14:01:53,411 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 14:01:53,411 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 14:01:53,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/locks/test_locks_8.c [2023-02-14 14:01:54,426 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 14:01:54,646 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 14:01:54,646 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_8.c [2023-02-14 14:01:54,657 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2f0321e4/211c37901b0c42c78101d5618c270566/FLAG60d4c7f1a [2023-02-14 14:01:54,667 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2f0321e4/211c37901b0c42c78101d5618c270566 [2023-02-14 14:01:54,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 14:01:54,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 14:01:54,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 14:01:54,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 14:01:54,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 14:01:54,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b70416c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54, skipping insertion in model container [2023-02-14 14:01:54,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 14:01:54,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 14:01:54,806 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] [2023-02-14 14:01:54,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 14:01:54,818 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 14:01:54,843 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] [2023-02-14 14:01:54,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 14:01:54,852 INFO L208 MainTranslator]: Completed translation [2023-02-14 14:01:54,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54 WrapperNode [2023-02-14 14:01:54,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 14:01:54,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 14:01:54,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 14:01:54,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 14:01:54,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,889 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2023-02-14 14:01:54,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 14:01:54,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 14:01:54,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 14:01:54,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 14:01:54,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,909 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 14:01:54,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 14:01:54,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 14:01:54,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 14:01:54,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (1/1) ... [2023-02-14 14:01:54,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:01:54,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:01:54,941 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) [2023-02-14 14:01:54,957 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 [2023-02-14 14:01:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 14:01:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 14:01:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 14:01:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 14:01:55,034 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 14:01:55,036 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 14:01:55,257 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 14:01:55,262 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 14:01:55,263 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-14 14:01:55,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:01:55 BoogieIcfgContainer [2023-02-14 14:01:55,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 14:01:55,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 14:01:55,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 14:01:55,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 14:01:55,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:01:54" (1/3) ... [2023-02-14 14:01:55,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72465c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:01:55, skipping insertion in model container [2023-02-14 14:01:55,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:01:54" (2/3) ... [2023-02-14 14:01:55,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72465c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:01:55, skipping insertion in model container [2023-02-14 14:01:55,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:01:55" (3/3) ... [2023-02-14 14:01:55,284 INFO L112 eAbstractionObserver]: Analyzing ICFG test_locks_8.c [2023-02-14 14:01:55,311 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 14:01:55,311 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-02-14 14:01:55,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 14:01:55,349 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;@2ecea16d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 14:01:55,350 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-02-14 14:01:55,353 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) [2023-02-14 14:01:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-14 14:01:55,358 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:55,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-14 14:01:55,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:55,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:55,363 INFO L85 PathProgramCache]: Analyzing trace with hash 28702379, now seen corresponding path program 1 times [2023-02-14 14:01:55,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:55,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975146562] [2023-02-14 14:01:55,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:55,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:55,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:55,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975146562] [2023-02-14 14:01:55,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975146562] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:55,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:55,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 14:01:55,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309900453] [2023-02-14 14:01:55,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:55,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-14 14:01:55,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:55,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-14 14:01:55,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-14 14:01:55,506 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) [2023-02-14 14:01:55,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:55,522 INFO L93 Difference]: Finished difference Result 35 states and 58 transitions. [2023-02-14 14:01:55,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-14 14:01:55,524 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 [2023-02-14 14:01:55,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:55,531 INFO L225 Difference]: With dead ends: 35 [2023-02-14 14:01:55,531 INFO L226 Difference]: Without dead ends: 33 [2023-02-14 14:01:55,533 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 [2023-02-14 14:01:55,536 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 [2023-02-14 14:01:55,537 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] [2023-02-14 14:01:55,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-02-14 14:01:55,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-02-14 14:01:55,572 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) [2023-02-14 14:01:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 56 transitions. [2023-02-14 14:01:55,574 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 56 transitions. Word has length 5 [2023-02-14 14:01:55,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:55,575 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 56 transitions. [2023-02-14 14:01:55,575 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) [2023-02-14 14:01:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2023-02-14 14:01:55,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-14 14:01:55,576 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:55,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-14 14:01:55,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 14:01:55,577 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:55,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:55,577 INFO L85 PathProgramCache]: Analyzing trace with hash 889696875, now seen corresponding path program 1 times [2023-02-14 14:01:55,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:55,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908898305] [2023-02-14 14:01:55,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:55,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:55,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:55,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908898305] [2023-02-14 14:01:55,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908898305] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:55,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:55,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 14:01:55,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871965483] [2023-02-14 14:01:55,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:55,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:55,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:55,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:55,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:55,651 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) [2023-02-14 14:01:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:55,657 INFO L93 Difference]: Finished difference Result 32 states and 55 transitions. [2023-02-14 14:01:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:55,657 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 [2023-02-14 14:01:55,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:55,658 INFO L225 Difference]: With dead ends: 32 [2023-02-14 14:01:55,658 INFO L226 Difference]: Without dead ends: 30 [2023-02-14 14:01:55,658 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 [2023-02-14 14:01:55,660 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 [2023-02-14 14:01:55,661 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] [2023-02-14 14:01:55,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-02-14 14:01:55,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-02-14 14:01:55,673 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) [2023-02-14 14:01:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 53 transitions. [2023-02-14 14:01:55,674 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 53 transitions. Word has length 6 [2023-02-14 14:01:55,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:55,674 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 53 transitions. [2023-02-14 14:01:55,675 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) [2023-02-14 14:01:55,675 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2023-02-14 14:01:55,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-14 14:01:55,675 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:55,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:55,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 14:01:55,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:55,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:55,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1577492323, now seen corresponding path program 1 times [2023-02-14 14:01:55,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:55,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866025205] [2023-02-14 14:01:55,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:55,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:55,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:55,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866025205] [2023-02-14 14:01:55,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866025205] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:55,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:55,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:55,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334420882] [2023-02-14 14:01:55,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:55,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:55,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:55,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:55,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:55,775 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) [2023-02-14 14:01:55,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:55,810 INFO L93 Difference]: Finished difference Result 57 states and 101 transitions. [2023-02-14 14:01:55,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:55,811 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 [2023-02-14 14:01:55,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:55,812 INFO L225 Difference]: With dead ends: 57 [2023-02-14 14:01:55,813 INFO L226 Difference]: Without dead ends: 57 [2023-02-14 14:01:55,814 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 [2023-02-14 14:01:55,815 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 [2023-02-14 14:01:55,818 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] [2023-02-14 14:01:55,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-14 14:01:55,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 39. [2023-02-14 14:01:55,829 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) [2023-02-14 14:01:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 70 transitions. [2023-02-14 14:01:55,830 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 70 transitions. Word has length 15 [2023-02-14 14:01:55,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:55,832 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 70 transitions. [2023-02-14 14:01:55,832 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) [2023-02-14 14:01:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2023-02-14 14:01:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-14 14:01:55,834 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:55,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:55,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 14:01:55,835 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:55,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:55,840 INFO L85 PathProgramCache]: Analyzing trace with hash -876427745, now seen corresponding path program 1 times [2023-02-14 14:01:55,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:55,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44482819] [2023-02-14 14:01:55,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:55,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:55,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:55,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44482819] [2023-02-14 14:01:55,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44482819] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:55,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:55,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:55,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746310653] [2023-02-14 14:01:55,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:55,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:55,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:55,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:55,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:55,901 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) [2023-02-14 14:01:55,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:55,924 INFO L93 Difference]: Finished difference Result 57 states and 99 transitions. [2023-02-14 14:01:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:55,925 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 [2023-02-14 14:01:55,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:55,925 INFO L225 Difference]: With dead ends: 57 [2023-02-14 14:01:55,926 INFO L226 Difference]: Without dead ends: 57 [2023-02-14 14:01:55,926 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 [2023-02-14 14:01:55,927 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 [2023-02-14 14:01:55,927 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] [2023-02-14 14:01:55,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-14 14:01:55,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2023-02-14 14:01:55,935 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) [2023-02-14 14:01:55,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 98 transitions. [2023-02-14 14:01:55,938 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 98 transitions. Word has length 15 [2023-02-14 14:01:55,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:55,938 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 98 transitions. [2023-02-14 14:01:55,939 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) [2023-02-14 14:01:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2023-02-14 14:01:55,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-14 14:01:55,940 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:55,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:55,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-14 14:01:55,941 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:55,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:55,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1657407761, now seen corresponding path program 1 times [2023-02-14 14:01:55,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:55,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488305821] [2023-02-14 14:01:55,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:55,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488305821] [2023-02-14 14:01:56,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488305821] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382851646] [2023-02-14 14:01:56,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,026 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) [2023-02-14 14:01:56,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,047 INFO L93 Difference]: Finished difference Result 60 states and 101 transitions. [2023-02-14 14:01:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,048 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 [2023-02-14 14:01:56,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,048 INFO L225 Difference]: With dead ends: 60 [2023-02-14 14:01:56,049 INFO L226 Difference]: Without dead ends: 60 [2023-02-14 14:01:56,049 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 [2023-02-14 14:01:56,053 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 [2023-02-14 14:01:56,053 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] [2023-02-14 14:01:56,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-02-14 14:01:56,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2023-02-14 14:01:56,058 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) [2023-02-14 14:01:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 100 transitions. [2023-02-14 14:01:56,059 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 100 transitions. Word has length 16 [2023-02-14 14:01:56,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,060 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 100 transitions. [2023-02-14 14:01:56,060 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) [2023-02-14 14:01:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 100 transitions. [2023-02-14 14:01:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-14 14:01:56,061 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:56,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-14 14:01:56,061 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1399242323, now seen corresponding path program 1 times [2023-02-14 14:01:56,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342889960] [2023-02-14 14:01:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342889960] [2023-02-14 14:01:56,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342889960] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280687172] [2023-02-14 14:01:56,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,092 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) [2023-02-14 14:01:56,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,102 INFO L93 Difference]: Finished difference Result 107 states and 186 transitions. [2023-02-14 14:01:56,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,102 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 [2023-02-14 14:01:56,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,103 INFO L225 Difference]: With dead ends: 107 [2023-02-14 14:01:56,103 INFO L226 Difference]: Without dead ends: 107 [2023-02-14 14:01:56,103 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 [2023-02-14 14:01:56,104 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 [2023-02-14 14:01:56,104 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] [2023-02-14 14:01:56,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-02-14 14:01:56,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 77. [2023-02-14 14:01:56,108 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) [2023-02-14 14:01:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 133 transitions. [2023-02-14 14:01:56,109 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 133 transitions. Word has length 16 [2023-02-14 14:01:56,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,110 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 133 transitions. [2023-02-14 14:01:56,110 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) [2023-02-14 14:01:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2023-02-14 14:01:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-14 14:01:56,110 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:56,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-14 14:01:56,111 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,112 INFO L85 PathProgramCache]: Analyzing trace with hash -698177745, now seen corresponding path program 1 times [2023-02-14 14:01:56,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923297278] [2023-02-14 14:01:56,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923297278] [2023-02-14 14:01:56,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923297278] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426241050] [2023-02-14 14:01:56,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,138 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) [2023-02-14 14:01:56,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,148 INFO L93 Difference]: Finished difference Result 109 states and 184 transitions. [2023-02-14 14:01:56,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,149 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 [2023-02-14 14:01:56,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,150 INFO L225 Difference]: With dead ends: 109 [2023-02-14 14:01:56,150 INFO L226 Difference]: Without dead ends: 109 [2023-02-14 14:01:56,150 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 [2023-02-14 14:01:56,151 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 [2023-02-14 14:01:56,151 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] [2023-02-14 14:01:56,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-02-14 14:01:56,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2023-02-14 14:01:56,155 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) [2023-02-14 14:01:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 183 transitions. [2023-02-14 14:01:56,156 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 183 transitions. Word has length 16 [2023-02-14 14:01:56,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,156 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 183 transitions. [2023-02-14 14:01:56,157 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) [2023-02-14 14:01:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 183 transitions. [2023-02-14 14:01:56,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-14 14:01:56,157 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:56,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-14 14:01:56,158 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,158 INFO L85 PathProgramCache]: Analyzing trace with hash -426624716, now seen corresponding path program 1 times [2023-02-14 14:01:56,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498610653] [2023-02-14 14:01:56,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498610653] [2023-02-14 14:01:56,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498610653] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394703130] [2023-02-14 14:01:56,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,183 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) [2023-02-14 14:01:56,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,192 INFO L93 Difference]: Finished difference Result 111 states and 184 transitions. [2023-02-14 14:01:56,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,192 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 [2023-02-14 14:01:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,193 INFO L225 Difference]: With dead ends: 111 [2023-02-14 14:01:56,193 INFO L226 Difference]: Without dead ends: 111 [2023-02-14 14:01:56,193 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 [2023-02-14 14:01:56,194 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 [2023-02-14 14:01:56,194 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] [2023-02-14 14:01:56,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-02-14 14:01:56,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2023-02-14 14:01:56,198 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) [2023-02-14 14:01:56,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 183 transitions. [2023-02-14 14:01:56,199 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 183 transitions. Word has length 17 [2023-02-14 14:01:56,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,199 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 183 transitions. [2023-02-14 14:01:56,199 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) [2023-02-14 14:01:56,200 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 183 transitions. [2023-02-14 14:01:56,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-14 14:01:56,200 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:56,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-14 14:01:56,201 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,201 INFO L85 PathProgramCache]: Analyzing trace with hash -168459278, now seen corresponding path program 1 times [2023-02-14 14:01:56,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217398949] [2023-02-14 14:01:56,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217398949] [2023-02-14 14:01:56,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217398949] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969916043] [2023-02-14 14:01:56,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,225 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) [2023-02-14 14:01:56,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,234 INFO L93 Difference]: Finished difference Result 207 states and 340 transitions. [2023-02-14 14:01:56,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,235 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 [2023-02-14 14:01:56,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,236 INFO L225 Difference]: With dead ends: 207 [2023-02-14 14:01:56,236 INFO L226 Difference]: Without dead ends: 207 [2023-02-14 14:01:56,236 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 [2023-02-14 14:01:56,237 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 [2023-02-14 14:01:56,237 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] [2023-02-14 14:01:56,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-02-14 14:01:56,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 205. [2023-02-14 14:01:56,244 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) [2023-02-14 14:01:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 339 transitions. [2023-02-14 14:01:56,245 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 339 transitions. Word has length 17 [2023-02-14 14:01:56,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,245 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 339 transitions. [2023-02-14 14:01:56,245 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) [2023-02-14 14:01:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 339 transitions. [2023-02-14 14:01:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-14 14:01:56,246 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:56,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-14 14:01:56,247 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,247 INFO L85 PathProgramCache]: Analyzing trace with hash -869523856, now seen corresponding path program 1 times [2023-02-14 14:01:56,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407874700] [2023-02-14 14:01:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407874700] [2023-02-14 14:01:56,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407874700] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132269925] [2023-02-14 14:01:56,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,271 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) [2023-02-14 14:01:56,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,279 INFO L93 Difference]: Finished difference Result 255 states and 424 transitions. [2023-02-14 14:01:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,279 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 [2023-02-14 14:01:56,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,280 INFO L225 Difference]: With dead ends: 255 [2023-02-14 14:01:56,280 INFO L226 Difference]: Without dead ends: 255 [2023-02-14 14:01:56,280 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 [2023-02-14 14:01:56,281 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 [2023-02-14 14:01:56,281 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] [2023-02-14 14:01:56,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-02-14 14:01:56,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 205. [2023-02-14 14:01:56,288 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) [2023-02-14 14:01:56,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 335 transitions. [2023-02-14 14:01:56,290 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 335 transitions. Word has length 17 [2023-02-14 14:01:56,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,290 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 335 transitions. [2023-02-14 14:01:56,290 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) [2023-02-14 14:01:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 335 transitions. [2023-02-14 14:01:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-14 14:01:56,291 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:56,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-14 14:01:56,292 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,292 INFO L85 PathProgramCache]: Analyzing trace with hash -927055644, now seen corresponding path program 1 times [2023-02-14 14:01:56,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778097533] [2023-02-14 14:01:56,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778097533] [2023-02-14 14:01:56,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778097533] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077803885] [2023-02-14 14:01:56,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,316 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) [2023-02-14 14:01:56,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,325 INFO L93 Difference]: Finished difference Result 371 states and 608 transitions. [2023-02-14 14:01:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,325 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 [2023-02-14 14:01:56,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,326 INFO L225 Difference]: With dead ends: 371 [2023-02-14 14:01:56,326 INFO L226 Difference]: Without dead ends: 371 [2023-02-14 14:01:56,327 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 [2023-02-14 14:01:56,327 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 [2023-02-14 14:01:56,328 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] [2023-02-14 14:01:56,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-02-14 14:01:56,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 289. [2023-02-14 14:01:56,335 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) [2023-02-14 14:01:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 463 transitions. [2023-02-14 14:01:56,336 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 463 transitions. Word has length 18 [2023-02-14 14:01:56,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,336 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 463 transitions. [2023-02-14 14:01:56,336 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) [2023-02-14 14:01:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 463 transitions. [2023-02-14 14:01:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-14 14:01:56,337 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:56,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-14 14:01:56,338 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,338 INFO L85 PathProgramCache]: Analyzing trace with hash -225991066, now seen corresponding path program 1 times [2023-02-14 14:01:56,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430788980] [2023-02-14 14:01:56,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430788980] [2023-02-14 14:01:56,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430788980] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465063107] [2023-02-14 14:01:56,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,361 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) [2023-02-14 14:01:56,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,369 INFO L93 Difference]: Finished difference Result 395 states and 620 transitions. [2023-02-14 14:01:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,370 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 [2023-02-14 14:01:56,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,371 INFO L225 Difference]: With dead ends: 395 [2023-02-14 14:01:56,371 INFO L226 Difference]: Without dead ends: 395 [2023-02-14 14:01:56,371 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 [2023-02-14 14:01:56,372 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 [2023-02-14 14:01:56,372 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] [2023-02-14 14:01:56,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-02-14 14:01:56,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 393. [2023-02-14 14:01:56,379 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) [2023-02-14 14:01:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 619 transitions. [2023-02-14 14:01:56,381 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 619 transitions. Word has length 18 [2023-02-14 14:01:56,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,381 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 619 transitions. [2023-02-14 14:01:56,382 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) [2023-02-14 14:01:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 619 transitions. [2023-02-14 14:01:56,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-14 14:01:56,383 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:56,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-14 14:01:56,384 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1326261127, now seen corresponding path program 1 times [2023-02-14 14:01:56,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636542747] [2023-02-14 14:01:56,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636542747] [2023-02-14 14:01:56,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636542747] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872614462] [2023-02-14 14:01:56,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,405 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) [2023-02-14 14:01:56,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,413 INFO L93 Difference]: Finished difference Result 407 states and 628 transitions. [2023-02-14 14:01:56,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,413 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 [2023-02-14 14:01:56,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,414 INFO L225 Difference]: With dead ends: 407 [2023-02-14 14:01:56,414 INFO L226 Difference]: Without dead ends: 407 [2023-02-14 14:01:56,415 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 [2023-02-14 14:01:56,415 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 [2023-02-14 14:01:56,415 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] [2023-02-14 14:01:56,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2023-02-14 14:01:56,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 405. [2023-02-14 14:01:56,420 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) [2023-02-14 14:01:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 627 transitions. [2023-02-14 14:01:56,421 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 627 transitions. Word has length 19 [2023-02-14 14:01:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,422 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 627 transitions. [2023-02-14 14:01:56,422 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) [2023-02-14 14:01:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 627 transitions. [2023-02-14 14:01:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-14 14:01:56,423 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:56,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-14 14:01:56,424 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1584426565, now seen corresponding path program 1 times [2023-02-14 14:01:56,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956291261] [2023-02-14 14:01:56,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956291261] [2023-02-14 14:01:56,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956291261] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366461917] [2023-02-14 14:01:56,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,448 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) [2023-02-14 14:01:56,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,456 INFO L93 Difference]: Finished difference Result 711 states and 1100 transitions. [2023-02-14 14:01:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,456 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 [2023-02-14 14:01:56,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,458 INFO L225 Difference]: With dead ends: 711 [2023-02-14 14:01:56,458 INFO L226 Difference]: Without dead ends: 711 [2023-02-14 14:01:56,459 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 [2023-02-14 14:01:56,459 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 [2023-02-14 14:01:56,459 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] [2023-02-14 14:01:56,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2023-02-14 14:01:56,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 581. [2023-02-14 14:01:56,466 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) [2023-02-14 14:01:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 875 transitions. [2023-02-14 14:01:56,467 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 875 transitions. Word has length 19 [2023-02-14 14:01:56,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,468 INFO L495 AbstractCegarLoop]: Abstraction has 581 states and 875 transitions. [2023-02-14 14:01:56,468 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) [2023-02-14 14:01:56,468 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 875 transitions. [2023-02-14 14:01:56,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-14 14:01:56,469 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:01:56,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-14 14:01:56,469 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2009476153, now seen corresponding path program 1 times [2023-02-14 14:01:56,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990828719] [2023-02-14 14:01:56,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990828719] [2023-02-14 14:01:56,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990828719] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133949858] [2023-02-14 14:01:56,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,487 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) [2023-02-14 14:01:56,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,495 INFO L93 Difference]: Finished difference Result 775 states and 1140 transitions. [2023-02-14 14:01:56,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,496 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 [2023-02-14 14:01:56,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,498 INFO L225 Difference]: With dead ends: 775 [2023-02-14 14:01:56,498 INFO L226 Difference]: Without dead ends: 775 [2023-02-14 14:01:56,498 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 [2023-02-14 14:01:56,498 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 [2023-02-14 14:01:56,499 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] [2023-02-14 14:01:56,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2023-02-14 14:01:56,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 773. [2023-02-14 14:01:56,507 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) [2023-02-14 14:01:56,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1139 transitions. [2023-02-14 14:01:56,508 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1139 transitions. Word has length 19 [2023-02-14 14:01:56,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,508 INFO L495 AbstractCegarLoop]: Abstraction has 773 states and 1139 transitions. [2023-02-14 14:01:56,508 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) [2023-02-14 14:01:56,509 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1139 transitions. [2023-02-14 14:01:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-14 14:01:56,509 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,509 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] [2023-02-14 14:01:56,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-02-14 14:01:56,510 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1872798619, now seen corresponding path program 1 times [2023-02-14 14:01:56,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423399236] [2023-02-14 14:01:56,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423399236] [2023-02-14 14:01:56,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423399236] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208874635] [2023-02-14 14:01:56,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,529 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) [2023-02-14 14:01:56,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,536 INFO L93 Difference]: Finished difference Result 791 states and 1140 transitions. [2023-02-14 14:01:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,537 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 [2023-02-14 14:01:56,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,538 INFO L225 Difference]: With dead ends: 791 [2023-02-14 14:01:56,539 INFO L226 Difference]: Without dead ends: 791 [2023-02-14 14:01:56,539 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 [2023-02-14 14:01:56,539 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 [2023-02-14 14:01:56,539 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] [2023-02-14 14:01:56,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2023-02-14 14:01:56,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 789. [2023-02-14 14:01:56,547 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) [2023-02-14 14:01:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1139 transitions. [2023-02-14 14:01:56,549 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1139 transitions. Word has length 20 [2023-02-14 14:01:56,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,549 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1139 transitions. [2023-02-14 14:01:56,549 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) [2023-02-14 14:01:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1139 transitions. [2023-02-14 14:01:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-14 14:01:56,550 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,550 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] [2023-02-14 14:01:56,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-02-14 14:01:56,550 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,551 INFO L85 PathProgramCache]: Analyzing trace with hash 2130964057, now seen corresponding path program 1 times [2023-02-14 14:01:56,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813315093] [2023-02-14 14:01:56,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813315093] [2023-02-14 14:01:56,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813315093] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850755692] [2023-02-14 14:01:56,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,567 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) [2023-02-14 14:01:56,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,576 INFO L93 Difference]: Finished difference Result 1351 states and 1940 transitions. [2023-02-14 14:01:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,576 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 [2023-02-14 14:01:56,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,579 INFO L225 Difference]: With dead ends: 1351 [2023-02-14 14:01:56,579 INFO L226 Difference]: Without dead ends: 1351 [2023-02-14 14:01:56,579 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 [2023-02-14 14:01:56,580 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 [2023-02-14 14:01:56,580 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] [2023-02-14 14:01:56,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2023-02-14 14:01:56,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1157. [2023-02-14 14:01:56,592 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) [2023-02-14 14:01:56,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1619 transitions. [2023-02-14 14:01:56,600 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1619 transitions. Word has length 20 [2023-02-14 14:01:56,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,600 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1619 transitions. [2023-02-14 14:01:56,601 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) [2023-02-14 14:01:56,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1619 transitions. [2023-02-14 14:01:56,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-14 14:01:56,602 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,602 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] [2023-02-14 14:01:56,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-14 14:01:56,602 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1462938661, now seen corresponding path program 1 times [2023-02-14 14:01:56,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731817721] [2023-02-14 14:01:56,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731817721] [2023-02-14 14:01:56,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731817721] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493612642] [2023-02-14 14:01:56,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,619 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) [2023-02-14 14:01:56,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,629 INFO L93 Difference]: Finished difference Result 1511 states and 2052 transitions. [2023-02-14 14:01:56,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,629 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 [2023-02-14 14:01:56,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,633 INFO L225 Difference]: With dead ends: 1511 [2023-02-14 14:01:56,633 INFO L226 Difference]: Without dead ends: 1511 [2023-02-14 14:01:56,633 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 [2023-02-14 14:01:56,634 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 [2023-02-14 14:01:56,634 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] [2023-02-14 14:01:56,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2023-02-14 14:01:56,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1509. [2023-02-14 14:01:56,648 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) [2023-02-14 14:01:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2051 transitions. [2023-02-14 14:01:56,650 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2051 transitions. Word has length 20 [2023-02-14 14:01:56,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,650 INFO L495 AbstractCegarLoop]: Abstraction has 1509 states and 2051 transitions. [2023-02-14 14:01:56,651 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) [2023-02-14 14:01:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2051 transitions. [2023-02-14 14:01:56,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-14 14:01:56,652 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,652 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] [2023-02-14 14:01:56,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-02-14 14:01:56,652 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1635592028, now seen corresponding path program 1 times [2023-02-14 14:01:56,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353828873] [2023-02-14 14:01:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353828873] [2023-02-14 14:01:56,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353828873] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502220913] [2023-02-14 14:01:56,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,668 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) [2023-02-14 14:01:56,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,678 INFO L93 Difference]: Finished difference Result 1543 states and 2052 transitions. [2023-02-14 14:01:56,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,678 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 [2023-02-14 14:01:56,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,681 INFO L225 Difference]: With dead ends: 1543 [2023-02-14 14:01:56,681 INFO L226 Difference]: Without dead ends: 1543 [2023-02-14 14:01:56,682 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 [2023-02-14 14:01:56,682 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 [2023-02-14 14:01:56,682 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] [2023-02-14 14:01:56,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2023-02-14 14:01:56,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1541. [2023-02-14 14:01:56,697 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) [2023-02-14 14:01:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2051 transitions. [2023-02-14 14:01:56,700 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2051 transitions. Word has length 21 [2023-02-14 14:01:56,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,700 INFO L495 AbstractCegarLoop]: Abstraction has 1541 states and 2051 transitions. [2023-02-14 14:01:56,700 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) [2023-02-14 14:01:56,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2051 transitions. [2023-02-14 14:01:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-14 14:01:56,702 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,702 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] [2023-02-14 14:01:56,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-02-14 14:01:56,702 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1893757466, now seen corresponding path program 1 times [2023-02-14 14:01:56,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912656790] [2023-02-14 14:01:56,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912656790] [2023-02-14 14:01:56,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912656790] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371201556] [2023-02-14 14:01:56,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,723 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) [2023-02-14 14:01:56,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,735 INFO L93 Difference]: Finished difference Result 2567 states and 3364 transitions. [2023-02-14 14:01:56,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,735 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 [2023-02-14 14:01:56,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,741 INFO L225 Difference]: With dead ends: 2567 [2023-02-14 14:01:56,741 INFO L226 Difference]: Without dead ends: 2567 [2023-02-14 14:01:56,741 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 [2023-02-14 14:01:56,742 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 [2023-02-14 14:01:56,742 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] [2023-02-14 14:01:56,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2023-02-14 14:01:56,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2309. [2023-02-14 14:01:56,776 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) [2023-02-14 14:01:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 2979 transitions. [2023-02-14 14:01:56,779 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 2979 transitions. Word has length 21 [2023-02-14 14:01:56,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,780 INFO L495 AbstractCegarLoop]: Abstraction has 2309 states and 2979 transitions. [2023-02-14 14:01:56,780 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) [2023-02-14 14:01:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2979 transitions. [2023-02-14 14:01:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-14 14:01:56,782 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,782 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] [2023-02-14 14:01:56,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-02-14 14:01:56,782 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1700145252, now seen corresponding path program 1 times [2023-02-14 14:01:56,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250863632] [2023-02-14 14:01:56,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250863632] [2023-02-14 14:01:56,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250863632] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941849626] [2023-02-14 14:01:56,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,798 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) [2023-02-14 14:01:56,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,811 INFO L93 Difference]: Finished difference Result 2951 states and 3652 transitions. [2023-02-14 14:01:56,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,811 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 [2023-02-14 14:01:56,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,817 INFO L225 Difference]: With dead ends: 2951 [2023-02-14 14:01:56,817 INFO L226 Difference]: Without dead ends: 2951 [2023-02-14 14:01:56,817 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 [2023-02-14 14:01:56,818 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 [2023-02-14 14:01:56,818 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] [2023-02-14 14:01:56,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2023-02-14 14:01:56,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2949. [2023-02-14 14:01:56,848 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) [2023-02-14 14:01:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 3651 transitions. [2023-02-14 14:01:56,853 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 3651 transitions. Word has length 21 [2023-02-14 14:01:56,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,854 INFO L495 AbstractCegarLoop]: Abstraction has 2949 states and 3651 transitions. [2023-02-14 14:01:56,854 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) [2023-02-14 14:01:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 3651 transitions. [2023-02-14 14:01:56,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-14 14:01:56,856 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,856 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] [2023-02-14 14:01:56,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-02-14 14:01:56,857 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1422844656, now seen corresponding path program 1 times [2023-02-14 14:01:56,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511550190] [2023-02-14 14:01:56,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511550190] [2023-02-14 14:01:56,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511550190] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321806985] [2023-02-14 14:01:56,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,872 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) [2023-02-14 14:01:56,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,884 INFO L93 Difference]: Finished difference Result 3015 states and 3652 transitions. [2023-02-14 14:01:56,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,885 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 [2023-02-14 14:01:56,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,891 INFO L225 Difference]: With dead ends: 3015 [2023-02-14 14:01:56,891 INFO L226 Difference]: Without dead ends: 3015 [2023-02-14 14:01:56,891 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 [2023-02-14 14:01:56,891 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 [2023-02-14 14:01:56,892 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] [2023-02-14 14:01:56,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2023-02-14 14:01:56,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 3013. [2023-02-14 14:01:56,917 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) [2023-02-14 14:01:56,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 3651 transitions. [2023-02-14 14:01:56,921 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 3651 transitions. Word has length 22 [2023-02-14 14:01:56,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:56,922 INFO L495 AbstractCegarLoop]: Abstraction has 3013 states and 3651 transitions. [2023-02-14 14:01:56,922 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) [2023-02-14 14:01:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 3651 transitions. [2023-02-14 14:01:56,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-14 14:01:56,924 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:56,924 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] [2023-02-14 14:01:56,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-02-14 14:01:56,925 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:56,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:56,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1164679218, now seen corresponding path program 1 times [2023-02-14 14:01:56,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:56,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831371123] [2023-02-14 14:01:56,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:56,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:56,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:56,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831371123] [2023-02-14 14:01:56,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831371123] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:56,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:56,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:56,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411726542] [2023-02-14 14:01:56,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:56,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:56,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:56,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:56,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:56,942 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) [2023-02-14 14:01:56,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:56,957 INFO L93 Difference]: Finished difference Result 4869 states and 5699 transitions. [2023-02-14 14:01:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:56,958 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 [2023-02-14 14:01:56,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:56,967 INFO L225 Difference]: With dead ends: 4869 [2023-02-14 14:01:56,967 INFO L226 Difference]: Without dead ends: 4869 [2023-02-14 14:01:56,967 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 [2023-02-14 14:01:56,968 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 [2023-02-14 14:01:56,968 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] [2023-02-14 14:01:56,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4869 states. [2023-02-14 14:01:57,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4869 to 4613. [2023-02-14 14:01:57,021 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) [2023-02-14 14:01:57,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4613 states to 4613 states and 5443 transitions. [2023-02-14 14:01:57,029 INFO L78 Accepts]: Start accepts. Automaton has 4613 states and 5443 transitions. Word has length 22 [2023-02-14 14:01:57,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:57,029 INFO L495 AbstractCegarLoop]: Abstraction has 4613 states and 5443 transitions. [2023-02-14 14:01:57,029 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) [2023-02-14 14:01:57,029 INFO L276 IsEmpty]: Start isEmpty. Operand 4613 states and 5443 transitions. [2023-02-14 14:01:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-14 14:01:57,033 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:01:57,033 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] [2023-02-14 14:01:57,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-02-14 14:01:57,033 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-14 14:01:57,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:01:57,034 INFO L85 PathProgramCache]: Analyzing trace with hash -463614640, now seen corresponding path program 1 times [2023-02-14 14:01:57,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:01:57,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884237736] [2023-02-14 14:01:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:01:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:01:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:01:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:01:57,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:01:57,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884237736] [2023-02-14 14:01:57,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884237736] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:01:57,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:01:57,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:01:57,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153352785] [2023-02-14 14:01:57,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:01:57,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:01:57,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:01:57,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:01:57,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:01:57,047 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) [2023-02-14 14:01:57,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:01:57,066 INFO L93 Difference]: Finished difference Result 5763 states and 6402 transitions. [2023-02-14 14:01:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:01:57,066 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 [2023-02-14 14:01:57,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:01:57,067 INFO L225 Difference]: With dead ends: 5763 [2023-02-14 14:01:57,067 INFO L226 Difference]: Without dead ends: 0 [2023-02-14 14:01:57,067 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 [2023-02-14 14:01:57,067 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 [2023-02-14 14:01:57,068 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] [2023-02-14 14:01:57,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-14 14:01:57,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-14 14:01:57,068 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) [2023-02-14 14:01:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-14 14:01:57,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-02-14 14:01:57,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:01:57,069 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 14:01:57,069 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) [2023-02-14 14:01:57,069 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-14 14:01:57,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-14 14:01:57,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2023-02-14 14:01:57,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2023-02-14 14:01:57,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-02-14 14:01:57,074 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] [2023-02-14 14:01:57,075 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 14:01:57,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 02:01:57 BoogieIcfgContainer [2023-02-14 14:01:57,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 14:01:57,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 14:01:57,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 14:01:57,078 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 14:01:57,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:01:55" (3/4) ... [2023-02-14 14:01:57,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-14 14:01:57,087 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-02-14 14:01:57,087 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-14 14:01:57,087 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-14 14:01:57,087 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-14 14:01:57,109 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 14:01:57,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 14:01:57,110 INFO L158 Benchmark]: Toolchain (without parser) took 2437.05ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 105.9MB in the beginning and 114.7MB in the end (delta: -8.8MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-02-14 14:01:57,110 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 14:01:57,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.09ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 94.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 14:01:57,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.65ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 14:01:57,111 INFO L158 Benchmark]: Boogie Preprocessor took 20.82ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 91.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 14:01:57,111 INFO L158 Benchmark]: RCFGBuilder took 364.89ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 78.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-14 14:01:57,111 INFO L158 Benchmark]: TraceAbstraction took 1799.00ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 78.2MB in the beginning and 117.9MB in the end (delta: -39.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-02-14 14:01:57,111 INFO L158 Benchmark]: Witness Printer took 31.95ms. Allocated memory is still 195.0MB. Free memory was 117.9MB in the beginning and 114.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-14 14:01:57,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.09ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 94.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.65ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.82ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 91.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.89ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 78.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1799.00ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 78.2MB in the beginning and 117.9MB in the end (delta: -39.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 31.95ms. Allocated memory is still 195.0MB. Free memory was 117.9MB in the beginning and 114.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 1.7s, 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, 0.1s 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, 0.0s 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: 0.3s 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! [2023-02-14 14:01:57,127 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