/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:10:02,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:10:02,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:10:02,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 04:10:02,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 04:10:02,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 04:10:02,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 04:10:02,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 04:10:02,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 04:10:02,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 04:10:02,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 04:10:02,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 04:10:02,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 04:10:02,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 04:10:02,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 04:10:02,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 04:10:02,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 04:10:02,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 04:10:02,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 04:10:02,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 04:10:02,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 04:10:02,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 04:10:02,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 04:10:02,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 04:10:02,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 04:10:02,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 04:10:02,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 04:10:02,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 04:10:02,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 04:10:02,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 04:10:02,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 04:10:02,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 04:10:02,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 04:10:02,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 04:10:02,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 04:10:02,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 04:10:02,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 04:10:02,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 04:10:02,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:10:02,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:10:02,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:10:02,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 04:10:02,972 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:10:02,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:10:02,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:10:02,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:10:02,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:10:02,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:10:02,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:10:02,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:10:02,978 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:10:02,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:10:02,979 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:10:02,979 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:10:02,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:10:02,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:10:02,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:10:02,980 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:10:02,980 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:10:02,981 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:10:02,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:10:02,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:10:02,981 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:10:02,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:10:02,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:10:02,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:10:02,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:10:02,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:10:02,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:10:02,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:10:02,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:10:02,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:10:02,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:10:03,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:10:03,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:10:03,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:10:03,411 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:10:03,412 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:10:03,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 04:10:03,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca026a53/8a051adea6c2491c84c3fe6b68f035bb/FLAG1b217433c [2022-10-16 04:10:04,361 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:10:04,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 04:10:04,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca026a53/8a051adea6c2491c84c3fe6b68f035bb/FLAG1b217433c [2022-10-16 04:10:04,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca026a53/8a051adea6c2491c84c3fe6b68f035bb [2022-10-16 04:10:04,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:10:04,934 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:10:04,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:10:04,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:10:04,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:10:04,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:10:04" (1/1) ... [2022-10-16 04:10:04,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642ce72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:04, skipping insertion in model container [2022-10-16 04:10:04,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:10:04" (1/1) ... [2022-10-16 04:10:04,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:10:05,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:10:05,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35004,35017] [2022-10-16 04:10:05,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35894,35907] [2022-10-16 04:10:05,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37724,37737] [2022-10-16 04:10:06,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38998,39011] [2022-10-16 04:10:06,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[53711,53724] [2022-10-16 04:10:06,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[62997,63010] [2022-10-16 04:10:06,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63890,63903] [2022-10-16 04:10:06,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[65723,65736] [2022-10-16 04:10:06,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[66616,66629] [2022-10-16 04:10:06,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[69389,69402] [2022-10-16 04:10:06,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[70282,70295] [2022-10-16 04:10:06,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[72115,72128] [2022-10-16 04:10:06,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:10:06,677 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:10:07,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35004,35017] [2022-10-16 04:10:07,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35894,35907] [2022-10-16 04:10:07,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37724,37737] [2022-10-16 04:10:07,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38998,39011] [2022-10-16 04:10:07,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[53711,53724] [2022-10-16 04:10:07,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[62997,63010] [2022-10-16 04:10:07,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63890,63903] [2022-10-16 04:10:07,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[65723,65736] [2022-10-16 04:10:07,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[66616,66629] [2022-10-16 04:10:07,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[69389,69402] [2022-10-16 04:10:07,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[70282,70295] [2022-10-16 04:10:07,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[72115,72128] [2022-10-16 04:10:07,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:10:07,624 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:10:07,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07 WrapperNode [2022-10-16 04:10:07,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:10:07,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:10:07,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:10:07,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:10:07,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,785 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4152 [2022-10-16 04:10:07,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:10:07,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:10:07,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:10:07,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:10:07,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:10:07,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:10:07,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:10:07,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:10:07,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (1/1) ... [2022-10-16 04:10:07,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:10:08,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:10:08,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 04:10:08,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 04:10:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:10:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:10:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:10:08,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:10:08,325 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:10:08,330 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:10:11,170 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:10:11,189 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:10:11,189 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 04:10:11,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:10:11 BoogieIcfgContainer [2022-10-16 04:10:11,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:10:11,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:10:11,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:10:11,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:10:11,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:10:04" (1/3) ... [2022-10-16 04:10:11,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d14166d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:10:11, skipping insertion in model container [2022-10-16 04:10:11,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:07" (2/3) ... [2022-10-16 04:10:11,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d14166d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:10:11, skipping insertion in model container [2022-10-16 04:10:11,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:10:11" (3/3) ... [2022-10-16 04:10:11,203 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 04:10:11,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:10:11,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-10-16 04:10:11,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:10:11,318 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=FINITE_AUTOMATA, 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;@552e76d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:10:11,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-10-16 04:10:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 1012 states, 998 states have (on average 1.8156312625250501) internal successors, (1812), 1011 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 04:10:11,341 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:11,342 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:11,343 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:11,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:11,349 INFO L85 PathProgramCache]: Analyzing trace with hash -486169675, now seen corresponding path program 1 times [2022-10-16 04:10:11,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:11,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930139942] [2022-10-16 04:10:11,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:11,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:12,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:12,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:12,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930139942] [2022-10-16 04:10:12,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930139942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:12,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:12,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 04:10:12,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812513408] [2022-10-16 04:10:12,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:12,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:10:12,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:12,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:10:12,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:12,066 INFO L87 Difference]: Start difference. First operand has 1012 states, 998 states have (on average 1.8156312625250501) internal successors, (1812), 1011 states have internal predecessors, (1812), 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 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:12,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:12,203 INFO L93 Difference]: Finished difference Result 1011 states and 1799 transitions. [2022-10-16 04:10:12,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:10:12,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2022-10-16 04:10:12,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:12,243 INFO L225 Difference]: With dead ends: 1011 [2022-10-16 04:10:12,243 INFO L226 Difference]: Without dead ends: 1008 [2022-10-16 04:10:12,245 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 [2022-10-16 04:10:12,251 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 1748 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 1798 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:12,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 1798 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:10:12,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2022-10-16 04:10:12,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1008. [2022-10-16 04:10:12,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 996 states have (on average 1.5411646586345382) internal successors, (1535), 1007 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:12,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1535 transitions. [2022-10-16 04:10:12,370 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1535 transitions. Word has length 52 [2022-10-16 04:10:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:12,371 INFO L495 AbstractCegarLoop]: Abstraction has 1008 states and 1535 transitions. [2022-10-16 04:10:12,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1535 transitions. [2022-10-16 04:10:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-10-16 04:10:12,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:12,397 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:12,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:10:12,398 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:12,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:12,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1041618032, now seen corresponding path program 1 times [2022-10-16 04:10:12,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:12,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312851786] [2022-10-16 04:10:12,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:12,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:13,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:13,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312851786] [2022-10-16 04:10:13,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312851786] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:13,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:13,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:10:13,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837093619] [2022-10-16 04:10:13,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:13,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:10:13,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:13,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:10:13,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:13,100 INFO L87 Difference]: Start difference. First operand 1008 states and 1535 transitions. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:13,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:13,326 INFO L93 Difference]: Finished difference Result 1465 states and 2244 transitions. [2022-10-16 04:10:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:10:13,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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 320 [2022-10-16 04:10:13,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:13,355 INFO L225 Difference]: With dead ends: 1465 [2022-10-16 04:10:13,355 INFO L226 Difference]: Without dead ends: 1465 [2022-10-16 04:10:13,358 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 [2022-10-16 04:10:13,360 INFO L413 NwaCegarLoop]: 1473 mSDtfsCounter, 849 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:13,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 2581 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:10:13,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2022-10-16 04:10:13,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1463. [2022-10-16 04:10:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1451 states have (on average 1.545830461750517) internal successors, (2243), 1462 states have internal predecessors, (2243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:13,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 2243 transitions. [2022-10-16 04:10:13,495 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 2243 transitions. Word has length 320 [2022-10-16 04:10:13,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:13,497 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 2243 transitions. [2022-10-16 04:10:13,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2243 transitions. [2022-10-16 04:10:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-10-16 04:10:13,515 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:13,521 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:13,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 04:10:13,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:13,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:13,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1400255147, now seen corresponding path program 1 times [2022-10-16 04:10:13,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:13,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502963767] [2022-10-16 04:10:13,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:13,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:13,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:13,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502963767] [2022-10-16 04:10:13,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502963767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:13,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:13,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:10:13,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635095819] [2022-10-16 04:10:13,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:13,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:10:13,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:13,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:10:13,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:13,990 INFO L87 Difference]: Start difference. First operand 1463 states and 2243 transitions. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:14,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:14,263 INFO L93 Difference]: Finished difference Result 2469 states and 3808 transitions. [2022-10-16 04:10:14,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:10:14,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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 320 [2022-10-16 04:10:14,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:14,279 INFO L225 Difference]: With dead ends: 2469 [2022-10-16 04:10:14,279 INFO L226 Difference]: Without dead ends: 2469 [2022-10-16 04:10:14,280 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 [2022-10-16 04:10:14,281 INFO L413 NwaCegarLoop]: 1682 mSDtfsCounter, 889 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 2848 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:14,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 2848 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:10:14,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2469 states. [2022-10-16 04:10:14,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2469 to 2467. [2022-10-16 04:10:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2467 states, 2455 states have (on average 1.5507128309572302) internal successors, (3807), 2466 states have internal predecessors, (3807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:14,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3807 transitions. [2022-10-16 04:10:14,348 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3807 transitions. Word has length 320 [2022-10-16 04:10:14,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:14,350 INFO L495 AbstractCegarLoop]: Abstraction has 2467 states and 3807 transitions. [2022-10-16 04:10:14,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3807 transitions. [2022-10-16 04:10:14,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-10-16 04:10:14,359 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:14,360 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:14,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 04:10:14,361 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:14,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:14,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1399824171, now seen corresponding path program 1 times [2022-10-16 04:10:14,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:14,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355797246] [2022-10-16 04:10:14,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:14,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:15,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:15,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355797246] [2022-10-16 04:10:15,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355797246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:15,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:15,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:10:15,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708203766] [2022-10-16 04:10:15,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:15,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:10:15,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:15,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:10:15,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:10:15,764 INFO L87 Difference]: Start difference. First operand 2467 states and 3807 transitions. Second operand has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:15,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:15,947 INFO L93 Difference]: Finished difference Result 4846 states and 7433 transitions. [2022-10-16 04:10:15,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:10:15,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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 320 [2022-10-16 04:10:15,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:15,974 INFO L225 Difference]: With dead ends: 4846 [2022-10-16 04:10:15,975 INFO L226 Difference]: Without dead ends: 4846 [2022-10-16 04:10:15,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:10:15,977 INFO L413 NwaCegarLoop]: 2513 mSDtfsCounter, 3383 mSDsluCounter, 1455 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3383 SdHoareTripleChecker+Valid, 3968 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:15,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3383 Valid, 3968 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:10:15,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2022-10-16 04:10:16,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4681. [2022-10-16 04:10:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4681 states, 4669 states have (on average 1.5450846005568644) internal successors, (7214), 4680 states have internal predecessors, (7214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4681 states to 4681 states and 7214 transitions. [2022-10-16 04:10:16,102 INFO L78 Accepts]: Start accepts. Automaton has 4681 states and 7214 transitions. Word has length 320 [2022-10-16 04:10:16,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:16,103 INFO L495 AbstractCegarLoop]: Abstraction has 4681 states and 7214 transitions. [2022-10-16 04:10:16,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 4681 states and 7214 transitions. [2022-10-16 04:10:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-10-16 04:10:16,115 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:16,115 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:16,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 04:10:16,116 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:16,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:16,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1204342061, now seen corresponding path program 1 times [2022-10-16 04:10:16,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:16,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693209513] [2022-10-16 04:10:16,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:16,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:16,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693209513] [2022-10-16 04:10:16,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693209513] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:16,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:16,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:10:16,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532524079] [2022-10-16 04:10:16,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:16,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:10:16,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:16,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:10:16,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:16,455 INFO L87 Difference]: Start difference. First operand 4681 states and 7214 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:16,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:16,601 INFO L93 Difference]: Finished difference Result 9194 states and 14088 transitions. [2022-10-16 04:10:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:10:16,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 322 [2022-10-16 04:10:16,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:16,649 INFO L225 Difference]: With dead ends: 9194 [2022-10-16 04:10:16,650 INFO L226 Difference]: Without dead ends: 9194 [2022-10-16 04:10:16,650 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 [2022-10-16 04:10:16,652 INFO L413 NwaCegarLoop]: 2985 mSDtfsCounter, 1390 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1390 SdHoareTripleChecker+Valid, 4450 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:16,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1390 Valid, 4450 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:10:16,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9194 states. [2022-10-16 04:10:16,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9194 to 9029. [2022-10-16 04:10:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9029 states, 9017 states have (on average 1.5380947099922369) internal successors, (13869), 9028 states have internal predecessors, (13869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9029 states to 9029 states and 13869 transitions. [2022-10-16 04:10:16,913 INFO L78 Accepts]: Start accepts. Automaton has 9029 states and 13869 transitions. Word has length 322 [2022-10-16 04:10:16,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:16,913 INFO L495 AbstractCegarLoop]: Abstraction has 9029 states and 13869 transitions. [2022-10-16 04:10:16,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 9029 states and 13869 transitions. [2022-10-16 04:10:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-10-16 04:10:16,932 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:16,932 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:16,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 04:10:16,933 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:16,934 INFO L85 PathProgramCache]: Analyzing trace with hash -857794382, now seen corresponding path program 1 times [2022-10-16 04:10:16,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:16,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715194728] [2022-10-16 04:10:16,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:16,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:17,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:17,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:17,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715194728] [2022-10-16 04:10:17,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715194728] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:17,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:17,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:10:17,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632864249] [2022-10-16 04:10:17,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:17,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:10:17,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:17,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:10:17,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:17,127 INFO L87 Difference]: Start difference. First operand 9029 states and 13869 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:17,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:17,312 INFO L93 Difference]: Finished difference Result 18029 states and 27682 transitions. [2022-10-16 04:10:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:10:17,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 322 [2022-10-16 04:10:17,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:17,392 INFO L225 Difference]: With dead ends: 18029 [2022-10-16 04:10:17,393 INFO L226 Difference]: Without dead ends: 18029 [2022-10-16 04:10:17,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:17,397 INFO L413 NwaCegarLoop]: 3044 mSDtfsCounter, 1519 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 4564 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:17,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1519 Valid, 4564 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:10:17,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18029 states. [2022-10-16 04:10:17,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18029 to 9048. [2022-10-16 04:10:17,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9048 states, 9036 states have (on average 1.537959274015051) internal successors, (13897), 9047 states have internal predecessors, (13897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9048 states to 9048 states and 13897 transitions. [2022-10-16 04:10:17,791 INFO L78 Accepts]: Start accepts. Automaton has 9048 states and 13897 transitions. Word has length 322 [2022-10-16 04:10:17,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:17,791 INFO L495 AbstractCegarLoop]: Abstraction has 9048 states and 13897 transitions. [2022-10-16 04:10:17,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:17,792 INFO L276 IsEmpty]: Start isEmpty. Operand 9048 states and 13897 transitions. [2022-10-16 04:10:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-10-16 04:10:17,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:17,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:17,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 04:10:17,815 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:17,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:17,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1970633531, now seen corresponding path program 1 times [2022-10-16 04:10:17,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:17,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854271368] [2022-10-16 04:10:17,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:17,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:18,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:18,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:18,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854271368] [2022-10-16 04:10:18,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854271368] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:18,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:18,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:10:18,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507349114] [2022-10-16 04:10:18,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:18,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:10:18,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:18,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:10:18,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:18,094 INFO L87 Difference]: Start difference. First operand 9048 states and 13897 transitions. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:18,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:18,212 INFO L93 Difference]: Finished difference Result 18047 states and 27703 transitions. [2022-10-16 04:10:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:10:18,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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 323 [2022-10-16 04:10:18,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:18,253 INFO L225 Difference]: With dead ends: 18047 [2022-10-16 04:10:18,253 INFO L226 Difference]: Without dead ends: 18047 [2022-10-16 04:10:18,254 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 [2022-10-16 04:10:18,255 INFO L413 NwaCegarLoop]: 3044 mSDtfsCounter, 1514 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 4564 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:18,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 4564 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:10:18,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18047 states. [2022-10-16 04:10:18,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18047 to 9066. [2022-10-16 04:10:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9066 states, 9054 states have (on average 1.5372211177380164) internal successors, (13918), 9065 states have internal predecessors, (13918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9066 states to 9066 states and 13918 transitions. [2022-10-16 04:10:18,522 INFO L78 Accepts]: Start accepts. Automaton has 9066 states and 13918 transitions. Word has length 323 [2022-10-16 04:10:18,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:18,523 INFO L495 AbstractCegarLoop]: Abstraction has 9066 states and 13918 transitions. [2022-10-16 04:10:18,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 9066 states and 13918 transitions. [2022-10-16 04:10:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-10-16 04:10:18,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:18,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:18,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 04:10:18,583 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:18,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:18,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1108313381, now seen corresponding path program 1 times [2022-10-16 04:10:18,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:18,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805109968] [2022-10-16 04:10:18,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:18,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:19,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:19,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805109968] [2022-10-16 04:10:19,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805109968] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:19,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:19,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:10:19,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196295870] [2022-10-16 04:10:19,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:19,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:10:19,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:19,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:10:19,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:10:19,720 INFO L87 Difference]: Start difference. First operand 9066 states and 13918 transitions. Second operand has 5 states, 5 states have (on average 64.8) internal successors, (324), 5 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:19,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:19,993 INFO L93 Difference]: Finished difference Result 17606 states and 26813 transitions. [2022-10-16 04:10:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:10:19,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.8) internal successors, (324), 5 states have internal predecessors, (324), 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 324 [2022-10-16 04:10:19,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:20,032 INFO L225 Difference]: With dead ends: 17606 [2022-10-16 04:10:20,032 INFO L226 Difference]: Without dead ends: 17606 [2022-10-16 04:10:20,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:10:20,034 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 2960 mSDsluCounter, 2894 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2960 SdHoareTripleChecker+Valid, 5383 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:20,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2960 Valid, 5383 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:10:20,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17606 states. [2022-10-16 04:10:20,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17606 to 17449. [2022-10-16 04:10:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17449 states, 17437 states have (on average 1.5258358662613982) internal successors, (26606), 17448 states have internal predecessors, (26606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17449 states to 17449 states and 26606 transitions. [2022-10-16 04:10:20,397 INFO L78 Accepts]: Start accepts. Automaton has 17449 states and 26606 transitions. Word has length 324 [2022-10-16 04:10:20,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:20,398 INFO L495 AbstractCegarLoop]: Abstraction has 17449 states and 26606 transitions. [2022-10-16 04:10:20,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.8) internal successors, (324), 5 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 17449 states and 26606 transitions. [2022-10-16 04:10:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-10-16 04:10:20,435 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:20,436 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:20,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 04:10:20,437 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:20,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:20,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1240135881, now seen corresponding path program 1 times [2022-10-16 04:10:20,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:20,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981725] [2022-10-16 04:10:20,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:20,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:21,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:21,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981725] [2022-10-16 04:10:21,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981725] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:21,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:21,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:10:21,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904196227] [2022-10-16 04:10:21,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:21,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:10:21,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:21,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:10:21,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:10:21,414 INFO L87 Difference]: Start difference. First operand 17449 states and 26606 transitions. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:21,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:21,667 INFO L93 Difference]: Finished difference Result 34136 states and 51693 transitions. [2022-10-16 04:10:21,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:10:21,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 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 326 [2022-10-16 04:10:21,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:21,744 INFO L225 Difference]: With dead ends: 34136 [2022-10-16 04:10:21,745 INFO L226 Difference]: Without dead ends: 34136 [2022-10-16 04:10:21,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:10:21,746 INFO L413 NwaCegarLoop]: 2434 mSDtfsCounter, 3394 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3394 SdHoareTripleChecker+Valid, 3893 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:21,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3394 Valid, 3893 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:10:21,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34136 states. [2022-10-16 04:10:22,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34136 to 33965. [2022-10-16 04:10:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33965 states, 33953 states have (on average 1.515860159632433) internal successors, (51468), 33964 states have internal predecessors, (51468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:22,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33965 states to 33965 states and 51468 transitions. [2022-10-16 04:10:22,804 INFO L78 Accepts]: Start accepts. Automaton has 33965 states and 51468 transitions. Word has length 326 [2022-10-16 04:10:22,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:22,805 INFO L495 AbstractCegarLoop]: Abstraction has 33965 states and 51468 transitions. [2022-10-16 04:10:22,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand 33965 states and 51468 transitions. [2022-10-16 04:10:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-10-16 04:10:22,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:22,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:22,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 04:10:22,883 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:22,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:22,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1142361968, now seen corresponding path program 1 times [2022-10-16 04:10:22,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:22,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821048916] [2022-10-16 04:10:22,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:22,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:23,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:23,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821048916] [2022-10-16 04:10:23,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821048916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:23,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:23,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:10:23,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429687849] [2022-10-16 04:10:23,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:23,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:10:23,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:23,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:10:23,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:23,253 INFO L87 Difference]: Start difference. First operand 33965 states and 51468 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:23,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:23,642 INFO L93 Difference]: Finished difference Result 66538 states and 100153 transitions. [2022-10-16 04:10:23,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:10:23,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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 328 [2022-10-16 04:10:23,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:23,799 INFO L225 Difference]: With dead ends: 66538 [2022-10-16 04:10:23,799 INFO L226 Difference]: Without dead ends: 66538 [2022-10-16 04:10:23,799 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 [2022-10-16 04:10:23,800 INFO L413 NwaCegarLoop]: 2952 mSDtfsCounter, 1366 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 4421 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:23,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 4421 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:10:23,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66538 states. [2022-10-16 04:10:25,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66538 to 66367. [2022-10-16 04:10:25,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66367 states, 66355 states have (on average 1.505960364704996) internal successors, (99928), 66366 states have internal predecessors, (99928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66367 states to 66367 states and 99928 transitions. [2022-10-16 04:10:26,037 INFO L78 Accepts]: Start accepts. Automaton has 66367 states and 99928 transitions. Word has length 328 [2022-10-16 04:10:26,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:26,038 INFO L495 AbstractCegarLoop]: Abstraction has 66367 states and 99928 transitions. [2022-10-16 04:10:26,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 66367 states and 99928 transitions. [2022-10-16 04:10:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-10-16 04:10:26,128 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:26,128 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:26,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 04:10:26,129 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:26,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:26,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1016701621, now seen corresponding path program 1 times [2022-10-16 04:10:26,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:26,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485340814] [2022-10-16 04:10:26,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:26,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:26,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485340814] [2022-10-16 04:10:26,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485340814] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:26,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:26,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:10:26,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335336906] [2022-10-16 04:10:26,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:26,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:10:26,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:26,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:10:26,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:26,367 INFO L87 Difference]: Start difference. First operand 66367 states and 99928 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:27,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:27,168 INFO L93 Difference]: Finished difference Result 132516 states and 199469 transitions. [2022-10-16 04:10:27,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:10:27,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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 328 [2022-10-16 04:10:27,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:27,519 INFO L225 Difference]: With dead ends: 132516 [2022-10-16 04:10:27,519 INFO L226 Difference]: Without dead ends: 132516 [2022-10-16 04:10:27,520 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 [2022-10-16 04:10:27,520 INFO L413 NwaCegarLoop]: 3011 mSDtfsCounter, 1486 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 4531 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:27,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 4531 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:10:27,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132516 states. [2022-10-16 04:10:30,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132516 to 66481. [2022-10-16 04:10:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66481 states, 66469 states have (on average 1.505905008349757) internal successors, (100096), 66480 states have internal predecessors, (100096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66481 states to 66481 states and 100096 transitions. [2022-10-16 04:10:30,321 INFO L78 Accepts]: Start accepts. Automaton has 66481 states and 100096 transitions. Word has length 328 [2022-10-16 04:10:30,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:30,321 INFO L495 AbstractCegarLoop]: Abstraction has 66481 states and 100096 transitions. [2022-10-16 04:10:30,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:30,322 INFO L276 IsEmpty]: Start isEmpty. Operand 66481 states and 100096 transitions. [2022-10-16 04:10:30,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-10-16 04:10:30,445 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:30,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:30,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 04:10:30,446 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:30,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:30,447 INFO L85 PathProgramCache]: Analyzing trace with hash -272121646, now seen corresponding path program 1 times [2022-10-16 04:10:30,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:30,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358474274] [2022-10-16 04:10:30,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:30,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:30,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:30,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:30,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358474274] [2022-10-16 04:10:30,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358474274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:30,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:30,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:10:30,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633395608] [2022-10-16 04:10:30,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:30,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:10:30,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:30,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:10:30,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:30,631 INFO L87 Difference]: Start difference. First operand 66481 states and 100096 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:31,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:31,347 INFO L93 Difference]: Finished difference Result 132612 states and 199579 transitions. [2022-10-16 04:10:31,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:10:31,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 329 [2022-10-16 04:10:31,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:31,544 INFO L225 Difference]: With dead ends: 132612 [2022-10-16 04:10:31,544 INFO L226 Difference]: Without dead ends: 132612 [2022-10-16 04:10:31,544 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 [2022-10-16 04:10:31,545 INFO L413 NwaCegarLoop]: 3011 mSDtfsCounter, 1481 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 4531 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:31,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 4531 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:10:31,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132612 states. [2022-10-16 04:10:33,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132612 to 66577. [2022-10-16 04:10:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66577 states, 66565 states have (on average 1.5053857132126494) internal successors, (100206), 66576 states have internal predecessors, (100206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:33,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66577 states to 66577 states and 100206 transitions. [2022-10-16 04:10:33,796 INFO L78 Accepts]: Start accepts. Automaton has 66577 states and 100206 transitions. Word has length 329 [2022-10-16 04:10:33,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:33,796 INFO L495 AbstractCegarLoop]: Abstraction has 66577 states and 100206 transitions. [2022-10-16 04:10:33,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:33,797 INFO L276 IsEmpty]: Start isEmpty. Operand 66577 states and 100206 transitions. [2022-10-16 04:10:33,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-10-16 04:10:33,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:33,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:33,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 04:10:33,861 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:33,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:33,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1907090251, now seen corresponding path program 1 times [2022-10-16 04:10:33,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:33,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559731091] [2022-10-16 04:10:33,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:33,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:34,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:34,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559731091] [2022-10-16 04:10:34,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559731091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:34,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:34,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:10:34,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510449733] [2022-10-16 04:10:34,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:34,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:10:34,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:34,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:10:34,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:10:34,510 INFO L87 Difference]: Start difference. First operand 66577 states and 100206 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:35,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:35,015 INFO L93 Difference]: Finished difference Result 123882 states and 185047 transitions. [2022-10-16 04:10:35,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:10:35,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 330 [2022-10-16 04:10:35,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:35,226 INFO L225 Difference]: With dead ends: 123882 [2022-10-16 04:10:35,226 INFO L226 Difference]: Without dead ends: 123882 [2022-10-16 04:10:35,227 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 [2022-10-16 04:10:35,228 INFO L413 NwaCegarLoop]: 2962 mSDtfsCounter, 1360 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 4431 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:35,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 4431 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:10:35,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123882 states. [2022-10-16 04:10:37,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123882 to 123711. [2022-10-16 04:10:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123711 states, 123699 states have (on average 1.494126872488864) internal successors, (184822), 123710 states have internal predecessors, (184822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:37,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123711 states to 123711 states and 184822 transitions. [2022-10-16 04:10:37,979 INFO L78 Accepts]: Start accepts. Automaton has 123711 states and 184822 transitions. Word has length 330 [2022-10-16 04:10:37,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:37,980 INFO L495 AbstractCegarLoop]: Abstraction has 123711 states and 184822 transitions. [2022-10-16 04:10:37,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 123711 states and 184822 transitions. [2022-10-16 04:10:38,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-10-16 04:10:38,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:38,196 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:38,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 04:10:38,197 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:38,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:38,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1149158424, now seen corresponding path program 1 times [2022-10-16 04:10:38,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:38,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267938170] [2022-10-16 04:10:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:38,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:39,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:39,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267938170] [2022-10-16 04:10:39,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267938170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:39,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:39,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:10:39,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025080648] [2022-10-16 04:10:39,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:39,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:10:39,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:39,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:10:39,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:10:39,412 INFO L87 Difference]: Start difference. First operand 123711 states and 184822 transitions. Second operand has 5 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:40,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:40,805 INFO L93 Difference]: Finished difference Result 241230 states and 357326 transitions. [2022-10-16 04:10:40,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:10:40,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 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 330 [2022-10-16 04:10:40,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:41,247 INFO L225 Difference]: With dead ends: 241230 [2022-10-16 04:10:41,247 INFO L226 Difference]: Without dead ends: 241230 [2022-10-16 04:10:41,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:10:41,248 INFO L413 NwaCegarLoop]: 2323 mSDtfsCounter, 3590 mSDsluCounter, 2894 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3590 SdHoareTripleChecker+Valid, 5217 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:41,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3590 Valid, 5217 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:10:41,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241230 states. [2022-10-16 04:10:44,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241230 to 241077. [2022-10-16 04:10:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241077 states, 241065 states have (on average 1.4814552091759483) internal successors, (357127), 241076 states have internal predecessors, (357127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241077 states to 241077 states and 357127 transitions. [2022-10-16 04:10:46,129 INFO L78 Accepts]: Start accepts. Automaton has 241077 states and 357127 transitions. Word has length 330 [2022-10-16 04:10:46,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:10:46,130 INFO L495 AbstractCegarLoop]: Abstraction has 241077 states and 357127 transitions. [2022-10-16 04:10:46,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 241077 states and 357127 transitions. [2022-10-16 04:10:46,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-10-16 04:10:46,330 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:10:46,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:10:46,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 04:10:46,330 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:10:46,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:10:46,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2106291688, now seen corresponding path program 1 times [2022-10-16 04:10:46,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:10:46,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776653807] [2022-10-16 04:10:46,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:10:46,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:10:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:10:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:10:47,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:10:47,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776653807] [2022-10-16 04:10:47,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776653807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:10:47,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:10:47,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:10:47,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614594178] [2022-10-16 04:10:47,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:10:47,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:10:47,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:10:47,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:10:47,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:10:47,606 INFO L87 Difference]: Start difference. First operand 241077 states and 357127 transitions. Second operand has 5 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:10:49,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:10:49,316 INFO L93 Difference]: Finished difference Result 470944 states and 691038 transitions. [2022-10-16 04:10:49,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:10:49,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 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 332 [2022-10-16 04:10:49,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:10:50,499 INFO L225 Difference]: With dead ends: 470944 [2022-10-16 04:10:50,499 INFO L226 Difference]: Without dead ends: 470944 [2022-10-16 04:10:50,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:10:50,500 INFO L413 NwaCegarLoop]: 2456 mSDtfsCounter, 3410 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3410 SdHoareTripleChecker+Valid, 5318 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:10:50,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3410 Valid, 5318 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:10:50,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470944 states. [2022-10-16 04:10:56,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470944 to 470849. [2022-10-16 04:10:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470849 states, 470837 states have (on average 1.4674611383557368) internal successors, (690935), 470848 states have internal predecessors, (690935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:11:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470849 states to 470849 states and 690935 transitions. [2022-10-16 04:11:00,425 INFO L78 Accepts]: Start accepts. Automaton has 470849 states and 690935 transitions. Word has length 332 [2022-10-16 04:11:00,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:11:00,426 INFO L495 AbstractCegarLoop]: Abstraction has 470849 states and 690935 transitions. [2022-10-16 04:11:00,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:11:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 470849 states and 690935 transitions. [2022-10-16 04:11:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-10-16 04:11:01,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:11:01,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:11:01,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 04:11:01,420 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:11:01,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:11:01,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1468379752, now seen corresponding path program 1 times [2022-10-16 04:11:01,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:11:01,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27465901] [2022-10-16 04:11:01,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:11:01,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:11:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:11:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:11:02,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:11:02,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27465901] [2022-10-16 04:11:02,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27465901] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:11:02,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:11:02,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:11:02,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056363132] [2022-10-16 04:11:02,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:11:02,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:11:02,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:11:02,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:11:02,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:11:02,212 INFO L87 Difference]: Start difference. First operand 470849 states and 690935 transitions. Second operand has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:11:05,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:11:05,425 INFO L93 Difference]: Finished difference Result 492812 states and 722522 transitions. [2022-10-16 04:11:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:11:05,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 332 [2022-10-16 04:11:05,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:11:06,470 INFO L225 Difference]: With dead ends: 492812 [2022-10-16 04:11:06,470 INFO L226 Difference]: Without dead ends: 492812 [2022-10-16 04:11:06,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:11:06,482 INFO L413 NwaCegarLoop]: 2537 mSDtfsCounter, 3238 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3238 SdHoareTripleChecker+Valid, 3996 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:11:06,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3238 Valid, 3996 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:11:07,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492812 states. [2022-10-16 04:11:14,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492812 to 471335. [2022-10-16 04:11:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471335 states, 471323 states have (on average 1.4672018976370769) internal successors, (691526), 471334 states have internal predecessors, (691526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:11:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471335 states to 471335 states and 691526 transitions. [2022-10-16 04:11:18,410 INFO L78 Accepts]: Start accepts. Automaton has 471335 states and 691526 transitions. Word has length 332 [2022-10-16 04:11:18,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:11:18,410 INFO L495 AbstractCegarLoop]: Abstraction has 471335 states and 691526 transitions. [2022-10-16 04:11:18,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:11:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 471335 states and 691526 transitions. [2022-10-16 04:11:18,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-10-16 04:11:18,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:11:18,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:11:18,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 04:11:18,777 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:11:18,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:11:18,778 INFO L85 PathProgramCache]: Analyzing trace with hash -490926819, now seen corresponding path program 1 times [2022-10-16 04:11:18,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:11:18,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216815793] [2022-10-16 04:11:18,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:11:18,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:11:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:11:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:11:18,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:11:18,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216815793] [2022-10-16 04:11:18,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216815793] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:11:18,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:11:18,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:11:18,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994704074] [2022-10-16 04:11:18,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:11:18,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:11:18,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:11:18,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:11:18,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:11:18,949 INFO L87 Difference]: Start difference. First operand 471335 states and 691526 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:11:23,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:11:23,409 INFO L93 Difference]: Finished difference Result 940476 states and 1379329 transitions. [2022-10-16 04:11:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:11:23,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 334 [2022-10-16 04:11:23,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:11:25,219 INFO L225 Difference]: With dead ends: 940476 [2022-10-16 04:11:25,219 INFO L226 Difference]: Without dead ends: 940476 [2022-10-16 04:11:25,220 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 [2022-10-16 04:11:25,223 INFO L413 NwaCegarLoop]: 2978 mSDtfsCounter, 1453 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 4498 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:11:25,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1453 Valid, 4498 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:11:25,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940476 states. [2022-10-16 04:11:36,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940476 to 472253. [2022-10-16 04:11:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472253 states, 472241 states have (on average 1.4669670782503001) internal successors, (692762), 472252 states have internal predecessors, (692762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:11:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472253 states to 472253 states and 692762 transitions. [2022-10-16 04:11:40,808 INFO L78 Accepts]: Start accepts. Automaton has 472253 states and 692762 transitions. Word has length 334 [2022-10-16 04:11:40,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:11:40,808 INFO L495 AbstractCegarLoop]: Abstraction has 472253 states and 692762 transitions. [2022-10-16 04:11:40,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:11:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 472253 states and 692762 transitions. [2022-10-16 04:11:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-10-16 04:11:41,960 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:11:41,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:11:41,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 04:11:41,963 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:11:41,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:11:41,966 INFO L85 PathProgramCache]: Analyzing trace with hash 53893988, now seen corresponding path program 1 times [2022-10-16 04:11:41,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:11:41,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659644964] [2022-10-16 04:11:41,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:11:41,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:11:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:11:42,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:11:42,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:11:42,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659644964] [2022-10-16 04:11:42,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659644964] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:11:42,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:11:42,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:11:42,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344508706] [2022-10-16 04:11:42,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:11:42,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:11:42,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:11:42,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:11:42,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:11:42,281 INFO L87 Difference]: Start difference. First operand 472253 states and 692762 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 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) [2022-10-16 04:11:46,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:11:46,785 INFO L93 Difference]: Finished difference Result 941481 states and 1380553 transitions. [2022-10-16 04:11:46,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:11:46,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 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) Word has length 335 [2022-10-16 04:11:46,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:11:49,421 INFO L225 Difference]: With dead ends: 941481 [2022-10-16 04:11:49,421 INFO L226 Difference]: Without dead ends: 941481 [2022-10-16 04:11:49,422 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 [2022-10-16 04:11:49,424 INFO L413 NwaCegarLoop]: 2978 mSDtfsCounter, 1448 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 4498 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:11:49,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 4498 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:11:50,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941481 states. [2022-10-16 04:12:02,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941481 to 473114. [2022-10-16 04:12:04,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473114 states, 473102 states have (on average 1.4664025939438008) internal successors, (693758), 473113 states have internal predecessors, (693758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473114 states to 473114 states and 693758 transitions. [2022-10-16 04:12:07,239 INFO L78 Accepts]: Start accepts. Automaton has 473114 states and 693758 transitions. Word has length 335 [2022-10-16 04:12:07,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:12:07,243 INFO L495 AbstractCegarLoop]: Abstraction has 473114 states and 693758 transitions. [2022-10-16 04:12:07,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 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) [2022-10-16 04:12:07,243 INFO L276 IsEmpty]: Start isEmpty. Operand 473114 states and 693758 transitions. [2022-10-16 04:12:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-10-16 04:12:07,730 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:07,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:07,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 04:12:07,731 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:12:07,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:07,732 INFO L85 PathProgramCache]: Analyzing trace with hash -776792624, now seen corresponding path program 1 times [2022-10-16 04:12:07,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:07,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268848615] [2022-10-16 04:12:07,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:07,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:09,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:09,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268848615] [2022-10-16 04:12:09,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268848615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:09,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:09,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:12:09,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110810206] [2022-10-16 04:12:09,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:09,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:12:09,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:09,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:12:09,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:12:09,443 INFO L87 Difference]: Start difference. First operand 473114 states and 693758 transitions. Second operand has 5 states, 5 states have (on average 67.2) internal successors, (336), 5 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:12,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:12:12,122 INFO L93 Difference]: Finished difference Result 494696 states and 724721 transitions. [2022-10-16 04:12:12,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:12:12,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 67.2) internal successors, (336), 5 states have internal predecessors, (336), 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 336 [2022-10-16 04:12:12,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:12:13,044 INFO L225 Difference]: With dead ends: 494696 [2022-10-16 04:12:13,045 INFO L226 Difference]: Without dead ends: 494696 [2022-10-16 04:12:13,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:12:13,049 INFO L413 NwaCegarLoop]: 2354 mSDtfsCounter, 4956 mSDsluCounter, 1455 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4956 SdHoareTripleChecker+Valid, 3809 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:12:13,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4956 Valid, 3809 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:12:13,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494696 states. [2022-10-16 04:12:21,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494696 to 472529. [2022-10-16 04:12:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472529 states, 472517 states have (on average 1.4661059813720987) internal successors, (692760), 472528 states have internal predecessors, (692760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472529 states to 472529 states and 692760 transitions. [2022-10-16 04:12:25,961 INFO L78 Accepts]: Start accepts. Automaton has 472529 states and 692760 transitions. Word has length 336 [2022-10-16 04:12:25,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:12:25,962 INFO L495 AbstractCegarLoop]: Abstraction has 472529 states and 692760 transitions. [2022-10-16 04:12:25,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 67.2) internal successors, (336), 5 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 472529 states and 692760 transitions. [2022-10-16 04:12:27,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-10-16 04:12:27,018 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:27,019 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:27,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 04:12:27,020 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 04:12:27,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:27,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1819387778, now seen corresponding path program 1 times [2022-10-16 04:12:27,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:27,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786997811] [2022-10-16 04:12:27,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:27,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:28,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:28,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786997811] [2022-10-16 04:12:28,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786997811] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:28,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:28,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:12:28,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635987940] [2022-10-16 04:12:28,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:28,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:12:28,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:28,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:12:28,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:12:28,285 INFO L87 Difference]: Start difference. First operand 472529 states and 692760 transitions. Second operand has 4 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:30,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:12:30,659 INFO L93 Difference]: Finished difference Result 494520 states and 723649 transitions. [2022-10-16 04:12:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:12:30,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 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 338 [2022-10-16 04:12:30,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:12:31,554 INFO L225 Difference]: With dead ends: 494520 [2022-10-16 04:12:31,554 INFO L226 Difference]: Without dead ends: 494520 [2022-10-16 04:12:31,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:12:31,557 INFO L413 NwaCegarLoop]: 2411 mSDtfsCounter, 3353 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3353 SdHoareTripleChecker+Valid, 3870 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:12:31,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3353 Valid, 3870 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:12:32,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494520 states. [2022-10-16 04:12:41,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494520 to 471569. [2022-10-16 04:12:41,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471569 states, 471557 states have (on average 1.4648663894290617) internal successors, (690768), 471568 states have internal predecessors, (690768), 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)