/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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:57:52,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:57:52,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:57:52,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 03:57:52,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:57:52,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:57:52,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:57:52,982 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 03:57:53,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:57:53,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:57:53,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:57:53,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:57:53,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:57:53,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:57:53,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:57:53,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:57:53,054 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:57:53,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:57:53,055 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:57:53,055 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:57:53,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:57:53,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:57:53,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:57:53,057 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:57:53,057 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:57:53,057 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:57:53,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:57:53,058 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:57:53,058 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:57:53,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:57:53,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:57:53,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:57:53,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:57:53,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:57:53,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:57:53,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:57:53,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:57:53,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:57:53,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:57:53,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:57:53,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:57:53,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:57:53,582 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:57:53,583 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:57:53,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:57:53,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb8d8be2/58ebbb0ffd0644a18cabced7f14c33c6/FLAG14ea36b6e [2022-10-16 03:57:54,570 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:57:54,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:57:54,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb8d8be2/58ebbb0ffd0644a18cabced7f14c33c6/FLAG14ea36b6e [2022-10-16 03:57:55,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb8d8be2/58ebbb0ffd0644a18cabced7f14c33c6 [2022-10-16 03:57:55,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:57:55,118 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:57:55,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:57:55,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:57:55,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:57:55,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:57:55" (1/1) ... [2022-10-16 03:57:55,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac2aa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:55, skipping insertion in model container [2022-10-16 03:57:55,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:57:55" (1/1) ... [2022-10-16 03:57:55,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:57:55,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:57:55,835 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13531,13544] [2022-10-16 03:57:55,869 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18011,18024] [2022-10-16 03:57:55,882 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19303,19316] [2022-10-16 03:57:55,890 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20061,20074] [2022-10-16 03:57:55,911 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21681,21694] [2022-10-16 03:57:55,926 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22439,22452] [2022-10-16 03:57:55,939 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23525,23538] [2022-10-16 03:57:55,955 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26064,26077] [2022-10-16 03:57:55,961 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26825,26838] [2022-10-16 03:57:55,976 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27914,27927] [2022-10-16 03:57:55,988 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29919,29932] [2022-10-16 03:57:56,012 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33842,33855] [2022-10-16 03:57:56,018 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34603,34616] [2022-10-16 03:57:56,026 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35696,35709] [2022-10-16 03:57:56,040 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37705,37718] [2022-10-16 03:57:56,063 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41308,41321] [2022-10-16 03:57:56,102 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48185,48198] [2022-10-16 03:57:56,108 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48946,48959] [2022-10-16 03:57:56,121 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50035,50048] [2022-10-16 03:57:56,135 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52040,52053] [2022-10-16 03:57:56,154 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55429,55442] [2022-10-16 03:57:56,196 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61126,61139] [2022-10-16 03:57:56,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:57:56,696 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:57:56,799 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13531,13544] [2022-10-16 03:57:56,814 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18011,18024] [2022-10-16 03:57:56,821 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19303,19316] [2022-10-16 03:57:56,826 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20061,20074] [2022-10-16 03:57:56,833 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21681,21694] [2022-10-16 03:57:56,838 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22439,22452] [2022-10-16 03:57:56,847 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23525,23538] [2022-10-16 03:57:56,860 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26064,26077] [2022-10-16 03:57:56,865 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26825,26838] [2022-10-16 03:57:56,873 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27914,27927] [2022-10-16 03:57:56,883 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29919,29932] [2022-10-16 03:57:56,902 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33842,33855] [2022-10-16 03:57:56,907 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34603,34616] [2022-10-16 03:57:56,913 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35696,35709] [2022-10-16 03:57:56,923 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37705,37718] [2022-10-16 03:57:56,941 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41308,41321] [2022-10-16 03:57:56,974 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48185,48198] [2022-10-16 03:57:56,981 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48946,48959] [2022-10-16 03:57:56,987 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50035,50048] [2022-10-16 03:57:56,996 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52040,52053] [2022-10-16 03:57:57,011 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55429,55442] [2022-10-16 03:57:57,032 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_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61126,61139] [2022-10-16 03:57:57,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:57:57,372 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:57:57,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57 WrapperNode [2022-10-16 03:57:57,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:57:57,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:57:57,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:57:57,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:57:57,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,558 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6322 [2022-10-16 03:57:57,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:57:57,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:57:57,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:57:57,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:57:57,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,753 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:57:57,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:57:57,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:57:57,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:57:57,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (1/1) ... [2022-10-16 03:57:57,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:57:57,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:57:57,833 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 03:57:57,859 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 03:57:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:57:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:57:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:57:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:57:58,263 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:57:58,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:58:01,549 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:58:01,582 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:58:01,582 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:58:01,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:58:01 BoogieIcfgContainer [2022-10-16 03:58:01,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:58:01,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:58:01,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:58:01,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:58:01,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:57:55" (1/3) ... [2022-10-16 03:58:01,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a9ed93d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:58:01, skipping insertion in model container [2022-10-16 03:58:01,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:57:57" (2/3) ... [2022-10-16 03:58:01,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a9ed93d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:58:01, skipping insertion in model container [2022-10-16 03:58:01,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:58:01" (3/3) ... [2022-10-16 03:58:01,600 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:58:01,622 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:58:01,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2022-10-16 03:58:01,731 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:58:01,741 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;@43129388, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:58:01,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2022-10-16 03:58:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 1125 states, 1101 states have (on average 1.8610354223433243) internal successors, (2049), 1124 states have internal predecessors, (2049), 0 states have call successors, (0), 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 03:58:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:58:01,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:01,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:58:01,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:01,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:01,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1084741, now seen corresponding path program 1 times [2022-10-16 03:58:01,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:01,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946572865] [2022-10-16 03:58:01,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:01,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:02,246 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 03:58:02,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:02,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946572865] [2022-10-16 03:58:02,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946572865] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:02,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:02,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:58:02,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409203687] [2022-10-16 03:58:02,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:02,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:58:02,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:02,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:58:02,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:58:02,316 INFO L87 Difference]: Start difference. First operand has 1125 states, 1101 states have (on average 1.8610354223433243) internal successors, (2049), 1124 states have internal predecessors, (2049), 0 states have call successors, (0), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 03:58:02,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:02,489 INFO L93 Difference]: Finished difference Result 1124 states and 2026 transitions. [2022-10-16 03:58:02,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:58:02,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-16 03:58:02,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:02,525 INFO L225 Difference]: With dead ends: 1124 [2022-10-16 03:58:02,525 INFO L226 Difference]: Without dead ends: 1121 [2022-10-16 03:58:02,528 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 03:58:02,539 INFO L413 NwaCegarLoop]: 2025 mSDtfsCounter, 2023 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 2025 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 03:58:02,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 2025 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:58:02,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-16 03:58:02,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1121. [2022-10-16 03:58:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1099 states have (on average 1.2775250227479527) internal successors, (1404), 1120 states have internal predecessors, (1404), 0 states have call successors, (0), 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 03:58:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1404 transitions. [2022-10-16 03:58:02,675 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1404 transitions. Word has length 4 [2022-10-16 03:58:02,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:02,675 INFO L495 AbstractCegarLoop]: Abstraction has 1121 states and 1404 transitions. [2022-10-16 03:58:02,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 03:58:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1404 transitions. [2022-10-16 03:58:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 03:58:02,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:02,691 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] [2022-10-16 03:58:02,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:58:02,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:02,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:02,692 INFO L85 PathProgramCache]: Analyzing trace with hash -845723877, now seen corresponding path program 1 times [2022-10-16 03:58:02,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:02,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967379338] [2022-10-16 03:58:02,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:02,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:03,212 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 03:58:03,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:03,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967379338] [2022-10-16 03:58:03,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967379338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:03,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:03,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:58:03,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494505579] [2022-10-16 03:58:03,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:03,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:58:03,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:03,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:58:03,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:58:03,224 INFO L87 Difference]: Start difference. First operand 1121 states and 1404 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 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 03:58:03,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:03,879 INFO L93 Difference]: Finished difference Result 868 states and 1118 transitions. [2022-10-16 03:58:03,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:58:03,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 03:58:03,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:03,885 INFO L225 Difference]: With dead ends: 868 [2022-10-16 03:58:03,885 INFO L226 Difference]: Without dead ends: 868 [2022-10-16 03:58:03,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:58:03,887 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 3296 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3296 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:03,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3296 Valid, 665 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:58:03,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2022-10-16 03:58:03,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2022-10-16 03:58:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 846 states have (on average 1.3215130023640662) internal successors, (1118), 867 states have internal predecessors, (1118), 0 states have call successors, (0), 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 03:58:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1118 transitions. [2022-10-16 03:58:03,910 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1118 transitions. Word has length 85 [2022-10-16 03:58:03,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:03,910 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1118 transitions. [2022-10-16 03:58:03,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 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 03:58:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1118 transitions. [2022-10-16 03:58:03,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 03:58:03,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:03,915 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] [2022-10-16 03:58:03,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:58:03,916 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:03,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:03,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1932230466, now seen corresponding path program 1 times [2022-10-16 03:58:03,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:03,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30393220] [2022-10-16 03:58:03,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:03,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:04,172 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 03:58:04,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:04,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30393220] [2022-10-16 03:58:04,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30393220] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:04,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:04,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:58:04,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594885868] [2022-10-16 03:58:04,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:04,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:58:04,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:04,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:58:04,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:58:04,176 INFO L87 Difference]: Start difference. First operand 868 states and 1118 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 03:58:04,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:04,753 INFO L93 Difference]: Finished difference Result 764 states and 997 transitions. [2022-10-16 03:58:04,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:58:04,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-16 03:58:04,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:04,758 INFO L225 Difference]: With dead ends: 764 [2022-10-16 03:58:04,758 INFO L226 Difference]: Without dead ends: 764 [2022-10-16 03:58:04,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:58:04,764 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 2847 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2847 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:04,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2847 Valid, 564 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:58:04,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-10-16 03:58:04,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 764. [2022-10-16 03:58:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 742 states have (on average 1.34366576819407) internal successors, (997), 763 states have internal predecessors, (997), 0 states have call successors, (0), 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 03:58:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 997 transitions. [2022-10-16 03:58:04,791 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 997 transitions. Word has length 86 [2022-10-16 03:58:04,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:04,793 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 997 transitions. [2022-10-16 03:58:04,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 03:58:04,794 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 997 transitions. [2022-10-16 03:58:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:58:04,797 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:04,798 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] [2022-10-16 03:58:04,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:58:04,799 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:04,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:04,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1627866598, now seen corresponding path program 1 times [2022-10-16 03:58:04,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:04,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566233625] [2022-10-16 03:58:04,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:04,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:05,119 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 03:58:05,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:05,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566233625] [2022-10-16 03:58:05,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566233625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:05,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:05,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:58:05,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246980267] [2022-10-16 03:58:05,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:05,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:58:05,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:05,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:58:05,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:58:05,126 INFO L87 Difference]: Start difference. First operand 764 states and 997 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 03:58:05,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:05,648 INFO L93 Difference]: Finished difference Result 700 states and 924 transitions. [2022-10-16 03:58:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:58:05,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 03:58:05,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:05,653 INFO L225 Difference]: With dead ends: 700 [2022-10-16 03:58:05,653 INFO L226 Difference]: Without dead ends: 700 [2022-10-16 03:58:05,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:58:05,655 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 2662 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2662 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:05,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2662 Valid, 532 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:58:05,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2022-10-16 03:58:05,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 700. [2022-10-16 03:58:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 678 states have (on average 1.3628318584070795) internal successors, (924), 699 states have internal predecessors, (924), 0 states have call successors, (0), 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 03:58:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 924 transitions. [2022-10-16 03:58:05,673 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 924 transitions. Word has length 87 [2022-10-16 03:58:05,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:05,674 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 924 transitions. [2022-10-16 03:58:05,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 03:58:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 924 transitions. [2022-10-16 03:58:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 03:58:05,676 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:05,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:58:05,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:58:05,677 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:05,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:05,677 INFO L85 PathProgramCache]: Analyzing trace with hash -2037300131, now seen corresponding path program 1 times [2022-10-16 03:58:05,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:05,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198408819] [2022-10-16 03:58:05,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:05,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:05,899 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 03:58:05,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:05,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198408819] [2022-10-16 03:58:05,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198408819] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:05,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:05,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:58:05,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719473417] [2022-10-16 03:58:05,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:05,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:58:05,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:05,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:58:05,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:58:05,903 INFO L87 Difference]: Start difference. First operand 700 states and 924 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 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 03:58:06,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:06,374 INFO L93 Difference]: Finished difference Result 659 states and 878 transitions. [2022-10-16 03:58:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:58:06,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 03:58:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:06,385 INFO L225 Difference]: With dead ends: 659 [2022-10-16 03:58:06,385 INFO L226 Difference]: Without dead ends: 659 [2022-10-16 03:58:06,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:58:06,393 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 2562 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2562 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:06,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2562 Valid, 507 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:58:06,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2022-10-16 03:58:06,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2022-10-16 03:58:06,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.3783359497645211) internal successors, (878), 658 states have internal predecessors, (878), 0 states have call successors, (0), 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 03:58:06,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 878 transitions. [2022-10-16 03:58:06,414 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 878 transitions. Word has length 88 [2022-10-16 03:58:06,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:06,416 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 878 transitions. [2022-10-16 03:58:06,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 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 03:58:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 878 transitions. [2022-10-16 03:58:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 03:58:06,425 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:06,425 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] [2022-10-16 03:58:06,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:58:06,426 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:06,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:06,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1730545767, now seen corresponding path program 1 times [2022-10-16 03:58:06,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:06,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283758905] [2022-10-16 03:58:06,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:06,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:06,666 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 03:58:06,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:06,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283758905] [2022-10-16 03:58:06,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283758905] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:06,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:06,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:58:06,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429103314] [2022-10-16 03:58:06,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:06,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:58:06,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:06,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:58:06,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:58:06,670 INFO L87 Difference]: Start difference. First operand 659 states and 878 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 03:58:07,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:07,172 INFO L93 Difference]: Finished difference Result 640 states and 856 transitions. [2022-10-16 03:58:07,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:58:07,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-16 03:58:07,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:07,177 INFO L225 Difference]: With dead ends: 640 [2022-10-16 03:58:07,178 INFO L226 Difference]: Without dead ends: 640 [2022-10-16 03:58:07,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:58:07,181 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 2479 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2479 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:07,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2479 Valid, 496 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:58:07,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2022-10-16 03:58:07,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 640. [2022-10-16 03:58:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 618 states have (on average 1.3851132686084142) internal successors, (856), 639 states have internal predecessors, (856), 0 states have call successors, (0), 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 03:58:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 856 transitions. [2022-10-16 03:58:07,199 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 856 transitions. Word has length 89 [2022-10-16 03:58:07,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:07,199 INFO L495 AbstractCegarLoop]: Abstraction has 640 states and 856 transitions. [2022-10-16 03:58:07,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 03:58:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 856 transitions. [2022-10-16 03:58:07,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 03:58:07,202 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:07,202 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] [2022-10-16 03:58:07,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:58:07,202 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:07,203 INFO L85 PathProgramCache]: Analyzing trace with hash -593456260, now seen corresponding path program 1 times [2022-10-16 03:58:07,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:07,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213714242] [2022-10-16 03:58:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:07,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:07,474 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 03:58:07,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:07,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213714242] [2022-10-16 03:58:07,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213714242] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:07,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:07,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:58:07,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486929733] [2022-10-16 03:58:07,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:07,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:58:07,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:07,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:58:07,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:58:07,477 INFO L87 Difference]: Start difference. First operand 640 states and 856 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 03:58:08,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:08,022 INFO L93 Difference]: Finished difference Result 635 states and 849 transitions. [2022-10-16 03:58:08,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:58:08,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-16 03:58:08,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:08,027 INFO L225 Difference]: With dead ends: 635 [2022-10-16 03:58:08,027 INFO L226 Difference]: Without dead ends: 635 [2022-10-16 03:58:08,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:58:08,028 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 2341 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2341 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:08,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2341 Valid, 421 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:58:08,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2022-10-16 03:58:08,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 635. [2022-10-16 03:58:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3849918433931485) internal successors, (849), 634 states have internal predecessors, (849), 0 states have call successors, (0), 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 03:58:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 849 transitions. [2022-10-16 03:58:08,044 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 849 transitions. Word has length 90 [2022-10-16 03:58:08,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:08,045 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 849 transitions. [2022-10-16 03:58:08,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 03:58:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 849 transitions. [2022-10-16 03:58:08,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 03:58:08,047 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:08,047 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] [2022-10-16 03:58:08,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:58:08,048 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:08,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:08,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1183984296, now seen corresponding path program 1 times [2022-10-16 03:58:08,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:08,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634604583] [2022-10-16 03:58:08,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:08,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:08,556 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 03:58:08,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:08,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634604583] [2022-10-16 03:58:08,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634604583] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:08,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:08,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:58:08,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565245231] [2022-10-16 03:58:08,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:08,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:58:08,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:08,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:58:08,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:58:08,559 INFO L87 Difference]: Start difference. First operand 635 states and 849 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 03:58:09,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:09,572 INFO L93 Difference]: Finished difference Result 852 states and 1092 transitions. [2022-10-16 03:58:09,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:58:09,572 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 03:58:09,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:09,578 INFO L225 Difference]: With dead ends: 852 [2022-10-16 03:58:09,578 INFO L226 Difference]: Without dead ends: 852 [2022-10-16 03:58:09,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:58:09,580 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 3780 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3780 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:09,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3780 Valid, 1026 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:58:09,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2022-10-16 03:58:09,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 635. [2022-10-16 03:58:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3833605220228384) internal successors, (848), 634 states have internal predecessors, (848), 0 states have call successors, (0), 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 03:58:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 848 transitions. [2022-10-16 03:58:09,600 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 848 transitions. Word has length 91 [2022-10-16 03:58:09,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:09,600 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 848 transitions. [2022-10-16 03:58:09,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 03:58:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 848 transitions. [2022-10-16 03:58:09,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 03:58:09,603 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:09,603 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] [2022-10-16 03:58:09,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:58:09,604 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:09,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:09,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1428942257, now seen corresponding path program 1 times [2022-10-16 03:58:09,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:09,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702090334] [2022-10-16 03:58:09,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:09,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:10,111 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 03:58:10,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:10,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702090334] [2022-10-16 03:58:10,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702090334] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:10,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:10,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:10,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832053920] [2022-10-16 03:58:10,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:10,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:10,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:10,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:10,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:10,114 INFO L87 Difference]: Start difference. First operand 635 states and 848 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 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 03:58:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:12,027 INFO L93 Difference]: Finished difference Result 1133 states and 1537 transitions. [2022-10-16 03:58:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:12,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 03:58:12,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:12,034 INFO L225 Difference]: With dead ends: 1133 [2022-10-16 03:58:12,034 INFO L226 Difference]: Without dead ends: 1133 [2022-10-16 03:58:12,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:12,037 INFO L413 NwaCegarLoop]: 731 mSDtfsCounter, 3322 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3322 SdHoareTripleChecker+Valid, 3689 SdHoareTripleChecker+Invalid, 2854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:12,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3322 Valid, 3689 Invalid, 2854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2835 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 03:58:12,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2022-10-16 03:58:12,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 635. [2022-10-16 03:58:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3817292006525286) internal successors, (847), 634 states have internal predecessors, (847), 0 states have call successors, (0), 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 03:58:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 847 transitions. [2022-10-16 03:58:12,063 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 847 transitions. Word has length 91 [2022-10-16 03:58:12,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:12,063 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 847 transitions. [2022-10-16 03:58:12,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 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 03:58:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 847 transitions. [2022-10-16 03:58:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 03:58:12,066 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:12,066 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] [2022-10-16 03:58:12,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:58:12,068 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:12,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:12,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1459275419, now seen corresponding path program 1 times [2022-10-16 03:58:12,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:12,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583628969] [2022-10-16 03:58:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:12,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:12,748 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 03:58:12,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:12,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583628969] [2022-10-16 03:58:12,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583628969] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:12,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:12,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:12,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71807906] [2022-10-16 03:58:12,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:12,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:12,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:12,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:12,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:12,752 INFO L87 Difference]: Start difference. First operand 635 states and 847 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 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 03:58:14,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:14,343 INFO L93 Difference]: Finished difference Result 1129 states and 1533 transitions. [2022-10-16 03:58:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:14,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 03:58:14,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:14,352 INFO L225 Difference]: With dead ends: 1129 [2022-10-16 03:58:14,353 INFO L226 Difference]: Without dead ends: 1129 [2022-10-16 03:58:14,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:58:14,354 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 4695 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 2061 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4695 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:14,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4695 Valid, 2587 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2061 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:14,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2022-10-16 03:58:14,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 635. [2022-10-16 03:58:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3800978792822185) internal successors, (846), 634 states have internal predecessors, (846), 0 states have call successors, (0), 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 03:58:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 846 transitions. [2022-10-16 03:58:14,380 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 846 transitions. Word has length 91 [2022-10-16 03:58:14,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:14,381 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 846 transitions. [2022-10-16 03:58:14,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 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 03:58:14,381 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 846 transitions. [2022-10-16 03:58:14,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:58:14,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:14,388 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] [2022-10-16 03:58:14,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:58:14,388 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:14,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:14,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2136143015, now seen corresponding path program 1 times [2022-10-16 03:58:14,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:14,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380150225] [2022-10-16 03:58:14,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:14,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:14,903 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 03:58:14,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:14,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380150225] [2022-10-16 03:58:14,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380150225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:14,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:14,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:14,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002537353] [2022-10-16 03:58:14,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:14,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:14,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:14,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:14,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:14,907 INFO L87 Difference]: Start difference. First operand 635 states and 846 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:16,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:16,405 INFO L93 Difference]: Finished difference Result 1133 states and 1534 transitions. [2022-10-16 03:58:16,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:16,405 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 03:58:16,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:16,412 INFO L225 Difference]: With dead ends: 1133 [2022-10-16 03:58:16,413 INFO L226 Difference]: Without dead ends: 1133 [2022-10-16 03:58:16,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:16,416 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 3455 mSDsluCounter, 2058 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3455 SdHoareTripleChecker+Valid, 2860 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:16,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3455 Valid, 2860 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:16,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2022-10-16 03:58:16,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 635. [2022-10-16 03:58:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3784665579119086) internal successors, (845), 634 states have internal predecessors, (845), 0 states have call successors, (0), 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 03:58:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 845 transitions. [2022-10-16 03:58:16,437 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 845 transitions. Word has length 93 [2022-10-16 03:58:16,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:16,438 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 845 transitions. [2022-10-16 03:58:16,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 845 transitions. [2022-10-16 03:58:16,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:58:16,440 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:16,440 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] [2022-10-16 03:58:16,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:58:16,441 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:16,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:16,441 INFO L85 PathProgramCache]: Analyzing trace with hash -2068984294, now seen corresponding path program 1 times [2022-10-16 03:58:16,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:16,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645497803] [2022-10-16 03:58:16,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:16,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:16,876 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 03:58:16,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:16,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645497803] [2022-10-16 03:58:16,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645497803] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:16,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:16,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:16,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400366038] [2022-10-16 03:58:16,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:16,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:16,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:16,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:16,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:16,879 INFO L87 Difference]: Start difference. First operand 635 states and 845 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:18,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:18,259 INFO L93 Difference]: Finished difference Result 1073 states and 1428 transitions. [2022-10-16 03:58:18,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:18,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 03:58:18,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:18,266 INFO L225 Difference]: With dead ends: 1073 [2022-10-16 03:58:18,267 INFO L226 Difference]: Without dead ends: 1073 [2022-10-16 03:58:18,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:18,268 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 2439 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 2113 SdHoareTripleChecker+Invalid, 1911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:18,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 2113 Invalid, 1911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:58:18,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2022-10-16 03:58:18,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2022-10-16 03:58:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3768352365415988) internal successors, (844), 634 states have internal predecessors, (844), 0 states have call successors, (0), 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 03:58:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 844 transitions. [2022-10-16 03:58:18,289 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 844 transitions. Word has length 93 [2022-10-16 03:58:18,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:18,290 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 844 transitions. [2022-10-16 03:58:18,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 844 transitions. [2022-10-16 03:58:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:58:18,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:18,293 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] [2022-10-16 03:58:18,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:58:18,294 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:18,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:18,294 INFO L85 PathProgramCache]: Analyzing trace with hash 928092964, now seen corresponding path program 1 times [2022-10-16 03:58:18,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:18,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378915997] [2022-10-16 03:58:18,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:18,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:18,802 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 03:58:18,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:18,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378915997] [2022-10-16 03:58:18,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378915997] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:18,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:18,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:18,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912799259] [2022-10-16 03:58:18,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:18,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:18,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:18,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:18,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:18,805 INFO L87 Difference]: Start difference. First operand 635 states and 844 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:20,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:20,415 INFO L93 Difference]: Finished difference Result 1129 states and 1530 transitions. [2022-10-16 03:58:20,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:20,416 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 03:58:20,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:20,421 INFO L225 Difference]: With dead ends: 1129 [2022-10-16 03:58:20,422 INFO L226 Difference]: Without dead ends: 1129 [2022-10-16 03:58:20,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:20,423 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 3792 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 2536 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3792 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 2574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:20,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3792 Valid, 3264 Invalid, 2574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2536 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:20,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2022-10-16 03:58:20,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 635. [2022-10-16 03:58:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3752039151712887) internal successors, (843), 634 states have internal predecessors, (843), 0 states have call successors, (0), 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 03:58:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 843 transitions. [2022-10-16 03:58:20,444 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 843 transitions. Word has length 93 [2022-10-16 03:58:20,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:20,444 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 843 transitions. [2022-10-16 03:58:20,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:20,444 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 843 transitions. [2022-10-16 03:58:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:58:20,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:20,447 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] [2022-10-16 03:58:20,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:58:20,447 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:20,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:20,448 INFO L85 PathProgramCache]: Analyzing trace with hash 538302253, now seen corresponding path program 1 times [2022-10-16 03:58:20,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:20,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108154061] [2022-10-16 03:58:20,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:20,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:20,867 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 03:58:20,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:20,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108154061] [2022-10-16 03:58:20,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108154061] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:20,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:20,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:20,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667413612] [2022-10-16 03:58:20,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:20,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:20,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:20,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:20,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:20,872 INFO L87 Difference]: Start difference. First operand 635 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:22,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:22,379 INFO L93 Difference]: Finished difference Result 1073 states and 1425 transitions. [2022-10-16 03:58:22,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:22,379 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 03:58:22,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:22,385 INFO L225 Difference]: With dead ends: 1073 [2022-10-16 03:58:22,385 INFO L226 Difference]: Without dead ends: 1073 [2022-10-16 03:58:22,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:22,387 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 3532 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3532 SdHoareTripleChecker+Valid, 2112 SdHoareTripleChecker+Invalid, 1970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:22,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3532 Valid, 2112 Invalid, 1970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:22,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2022-10-16 03:58:22,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2022-10-16 03:58:22,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3735725938009788) internal successors, (842), 634 states have internal predecessors, (842), 0 states have call successors, (0), 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 03:58:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 842 transitions. [2022-10-16 03:58:22,408 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 842 transitions. Word has length 93 [2022-10-16 03:58:22,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:22,409 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 842 transitions. [2022-10-16 03:58:22,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 842 transitions. [2022-10-16 03:58:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:58:22,411 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:22,412 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] [2022-10-16 03:58:22,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:58:22,412 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:22,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:22,413 INFO L85 PathProgramCache]: Analyzing trace with hash -350742557, now seen corresponding path program 1 times [2022-10-16 03:58:22,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:22,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619566226] [2022-10-16 03:58:22,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:22,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:22,841 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 03:58:22,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:22,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619566226] [2022-10-16 03:58:22,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619566226] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:22,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:22,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:22,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540704730] [2022-10-16 03:58:22,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:22,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:22,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:22,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:22,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:22,845 INFO L87 Difference]: Start difference. First operand 635 states and 842 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:24,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:24,219 INFO L93 Difference]: Finished difference Result 1073 states and 1424 transitions. [2022-10-16 03:58:24,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:24,220 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 03:58:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:24,224 INFO L225 Difference]: With dead ends: 1073 [2022-10-16 03:58:24,225 INFO L226 Difference]: Without dead ends: 1073 [2022-10-16 03:58:24,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:24,226 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 2422 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 2115 SdHoareTripleChecker+Invalid, 1896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:24,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 2115 Invalid, 1896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:58:24,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2022-10-16 03:58:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2022-10-16 03:58:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3719412724306688) internal successors, (841), 634 states have internal predecessors, (841), 0 states have call successors, (0), 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 03:58:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 841 transitions. [2022-10-16 03:58:24,244 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 841 transitions. Word has length 93 [2022-10-16 03:58:24,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:24,245 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 841 transitions. [2022-10-16 03:58:24,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:24,245 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 841 transitions. [2022-10-16 03:58:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:58:24,247 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:24,247 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] [2022-10-16 03:58:24,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:58:24,248 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:24,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:24,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1561454545, now seen corresponding path program 1 times [2022-10-16 03:58:24,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:24,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728692145] [2022-10-16 03:58:24,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:24,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:24,615 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 03:58:24,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:24,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728692145] [2022-10-16 03:58:24,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728692145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:24,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:24,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:24,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053743127] [2022-10-16 03:58:24,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:24,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:24,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:24,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:24,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:24,618 INFO L87 Difference]: Start difference. First operand 635 states and 841 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:26,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:26,165 INFO L93 Difference]: Finished difference Result 1129 states and 1524 transitions. [2022-10-16 03:58:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:26,166 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 03:58:26,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:26,171 INFO L225 Difference]: With dead ends: 1129 [2022-10-16 03:58:26,171 INFO L226 Difference]: Without dead ends: 1129 [2022-10-16 03:58:26,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:26,172 INFO L413 NwaCegarLoop]: 803 mSDtfsCounter, 3055 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 2409 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3055 SdHoareTripleChecker+Valid, 3139 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:26,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3055 Valid, 3139 Invalid, 2440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2409 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:26,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2022-10-16 03:58:26,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 635. [2022-10-16 03:58:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.370309951060359) internal successors, (840), 634 states have internal predecessors, (840), 0 states have call successors, (0), 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 03:58:26,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 840 transitions. [2022-10-16 03:58:26,191 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 840 transitions. Word has length 93 [2022-10-16 03:58:26,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:26,191 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 840 transitions. [2022-10-16 03:58:26,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 840 transitions. [2022-10-16 03:58:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:58:26,193 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:26,193 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] [2022-10-16 03:58:26,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:58:26,194 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:26,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:26,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1779757049, now seen corresponding path program 1 times [2022-10-16 03:58:26,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:26,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94673721] [2022-10-16 03:58:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:26,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:26,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:26,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94673721] [2022-10-16 03:58:26,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94673721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:26,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:26,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:26,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925639876] [2022-10-16 03:58:26,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:26,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:26,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:26,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:26,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:26,598 INFO L87 Difference]: Start difference. First operand 635 states and 840 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:27,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:27,922 INFO L93 Difference]: Finished difference Result 1073 states and 1421 transitions. [2022-10-16 03:58:27,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:27,922 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 03:58:27,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:27,929 INFO L225 Difference]: With dead ends: 1073 [2022-10-16 03:58:27,929 INFO L226 Difference]: Without dead ends: 1073 [2022-10-16 03:58:27,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:27,930 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 3511 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3511 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:27,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3511 Valid, 2116 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1768 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:58:27,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2022-10-16 03:58:27,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2022-10-16 03:58:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3686786296900488) internal successors, (839), 634 states have internal predecessors, (839), 0 states have call successors, (0), 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 03:58:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 839 transitions. [2022-10-16 03:58:27,950 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 839 transitions. Word has length 93 [2022-10-16 03:58:27,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:27,950 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 839 transitions. [2022-10-16 03:58:27,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 839 transitions. [2022-10-16 03:58:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:58:27,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:27,953 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] [2022-10-16 03:58:27,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:58:27,954 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:27,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:27,954 INFO L85 PathProgramCache]: Analyzing trace with hash 162924990, now seen corresponding path program 1 times [2022-10-16 03:58:27,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:27,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689781121] [2022-10-16 03:58:27,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:27,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:28,468 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 03:58:28,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:28,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689781121] [2022-10-16 03:58:28,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689781121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:28,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:28,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:28,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101838613] [2022-10-16 03:58:28,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:28,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:28,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:28,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:28,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:28,472 INFO L87 Difference]: Start difference. First operand 635 states and 839 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:29,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:29,800 INFO L93 Difference]: Finished difference Result 1073 states and 1419 transitions. [2022-10-16 03:58:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:29,802 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 03:58:29,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:29,807 INFO L225 Difference]: With dead ends: 1073 [2022-10-16 03:58:29,807 INFO L226 Difference]: Without dead ends: 1073 [2022-10-16 03:58:29,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:29,808 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 4604 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 1763 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4604 SdHoareTripleChecker+Valid, 2113 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:29,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4604 Valid, 2113 Invalid, 2021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1763 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:58:29,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2022-10-16 03:58:29,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2022-10-16 03:58:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.367047308319739) internal successors, (838), 634 states have internal predecessors, (838), 0 states have call successors, (0), 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 03:58:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 838 transitions. [2022-10-16 03:58:29,827 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 838 transitions. Word has length 93 [2022-10-16 03:58:29,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:29,828 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 838 transitions. [2022-10-16 03:58:29,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:58:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 838 transitions. [2022-10-16 03:58:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:29,831 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:29,831 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] [2022-10-16 03:58:29,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:58:29,831 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:29,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1878690134, now seen corresponding path program 1 times [2022-10-16 03:58:29,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:29,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936609994] [2022-10-16 03:58:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:29,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:30,253 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 03:58:30,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:30,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936609994] [2022-10-16 03:58:30,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936609994] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:30,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:30,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:30,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301613867] [2022-10-16 03:58:30,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:30,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:30,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:30,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:30,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:30,256 INFO L87 Difference]: Start difference. First operand 635 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:31,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:31,736 INFO L93 Difference]: Finished difference Result 1121 states and 1504 transitions. [2022-10-16 03:58:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:31,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:31,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:31,742 INFO L225 Difference]: With dead ends: 1121 [2022-10-16 03:58:31,743 INFO L226 Difference]: Without dead ends: 1121 [2022-10-16 03:58:31,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:58:31,744 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 4624 mSDsluCounter, 2022 mSDsCounter, 0 mSdLazyCounter, 2040 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4624 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 2113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:31,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4624 Valid, 2638 Invalid, 2113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2040 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:58:31,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-16 03:58:31,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 635. [2022-10-16 03:58:31,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3654159869494291) internal successors, (837), 634 states have internal predecessors, (837), 0 states have call successors, (0), 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 03:58:31,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 837 transitions. [2022-10-16 03:58:31,760 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 837 transitions. Word has length 95 [2022-10-16 03:58:31,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:31,761 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 837 transitions. [2022-10-16 03:58:31,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 837 transitions. [2022-10-16 03:58:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:31,763 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:31,763 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] [2022-10-16 03:58:31,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:58:31,764 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:31,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:31,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1469844906, now seen corresponding path program 1 times [2022-10-16 03:58:31,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:31,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814790848] [2022-10-16 03:58:31,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:31,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:32,196 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 03:58:32,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:32,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814790848] [2022-10-16 03:58:32,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814790848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:32,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:32,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:32,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711621245] [2022-10-16 03:58:32,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:32,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:32,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:32,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:32,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:32,199 INFO L87 Difference]: Start difference. First operand 635 states and 837 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:33,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:33,838 INFO L93 Difference]: Finished difference Result 1105 states and 1472 transitions. [2022-10-16 03:58:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:33,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:33,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:33,843 INFO L225 Difference]: With dead ends: 1105 [2022-10-16 03:58:33,844 INFO L226 Difference]: Without dead ends: 1105 [2022-10-16 03:58:33,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:33,845 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 3948 mSDsluCounter, 2406 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3948 SdHoareTripleChecker+Valid, 2958 SdHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:33,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3948 Valid, 2958 Invalid, 2381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:33,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-10-16 03:58:33,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 635. [2022-10-16 03:58:33,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.363784665579119) internal successors, (836), 634 states have internal predecessors, (836), 0 states have call successors, (0), 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 03:58:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 836 transitions. [2022-10-16 03:58:33,860 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 836 transitions. Word has length 95 [2022-10-16 03:58:33,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:33,860 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 836 transitions. [2022-10-16 03:58:33,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 836 transitions. [2022-10-16 03:58:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:33,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:33,863 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] [2022-10-16 03:58:33,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:58:33,863 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:33,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:33,864 INFO L85 PathProgramCache]: Analyzing trace with hash -2020844490, now seen corresponding path program 1 times [2022-10-16 03:58:33,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:33,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354705920] [2022-10-16 03:58:33,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:33,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:34,208 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 03:58:34,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:34,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354705920] [2022-10-16 03:58:34,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354705920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:34,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:34,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:34,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62713801] [2022-10-16 03:58:34,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:34,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:34,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:34,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:34,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:34,213 INFO L87 Difference]: Start difference. First operand 635 states and 836 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:35,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:35,666 INFO L93 Difference]: Finished difference Result 1129 states and 1516 transitions. [2022-10-16 03:58:35,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:35,667 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:35,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:35,672 INFO L225 Difference]: With dead ends: 1129 [2022-10-16 03:58:35,673 INFO L226 Difference]: Without dead ends: 1129 [2022-10-16 03:58:35,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:35,674 INFO L413 NwaCegarLoop]: 803 mSDtfsCounter, 2104 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 3109 SdHoareTripleChecker+Invalid, 2392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:35,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 3109 Invalid, 2392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:35,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2022-10-16 03:58:35,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 635. [2022-10-16 03:58:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3621533442088092) internal successors, (835), 634 states have internal predecessors, (835), 0 states have call successors, (0), 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 03:58:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 835 transitions. [2022-10-16 03:58:35,690 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 835 transitions. Word has length 95 [2022-10-16 03:58:35,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:35,691 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 835 transitions. [2022-10-16 03:58:35,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 835 transitions. [2022-10-16 03:58:35,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:35,693 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:35,693 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] [2022-10-16 03:58:35,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:58:35,694 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:35,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:35,694 INFO L85 PathProgramCache]: Analyzing trace with hash -742387417, now seen corresponding path program 1 times [2022-10-16 03:58:35,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:35,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427613154] [2022-10-16 03:58:35,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:35,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:36,104 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 03:58:36,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:36,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427613154] [2022-10-16 03:58:36,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427613154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:36,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:36,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:36,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538993706] [2022-10-16 03:58:36,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:36,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:36,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:36,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:36,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:36,107 INFO L87 Difference]: Start difference. First operand 635 states and 835 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:37,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:37,611 INFO L93 Difference]: Finished difference Result 1121 states and 1501 transitions. [2022-10-16 03:58:37,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:37,613 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:37,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:37,619 INFO L225 Difference]: With dead ends: 1121 [2022-10-16 03:58:37,620 INFO L226 Difference]: Without dead ends: 1121 [2022-10-16 03:58:37,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:58:37,621 INFO L413 NwaCegarLoop]: 673 mSDtfsCounter, 4323 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4323 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:37,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4323 Valid, 2884 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2174 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:37,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-16 03:58:37,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 635. [2022-10-16 03:58:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.360522022838499) internal successors, (834), 634 states have internal predecessors, (834), 0 states have call successors, (0), 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 03:58:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 834 transitions. [2022-10-16 03:58:37,637 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 834 transitions. Word has length 95 [2022-10-16 03:58:37,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:37,637 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 834 transitions. [2022-10-16 03:58:37,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:37,637 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 834 transitions. [2022-10-16 03:58:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:37,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:37,639 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] [2022-10-16 03:58:37,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:58:37,640 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:37,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:37,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1920722797, now seen corresponding path program 1 times [2022-10-16 03:58:37,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:37,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169555179] [2022-10-16 03:58:37,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:37,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:38,058 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 03:58:38,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:38,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169555179] [2022-10-16 03:58:38,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169555179] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:38,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:38,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:38,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097960757] [2022-10-16 03:58:38,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:38,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:38,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:38,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:38,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:38,061 INFO L87 Difference]: Start difference. First operand 635 states and 834 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:39,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:39,712 INFO L93 Difference]: Finished difference Result 1105 states and 1469 transitions. [2022-10-16 03:58:39,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:39,712 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:39,718 INFO L225 Difference]: With dead ends: 1105 [2022-10-16 03:58:39,718 INFO L226 Difference]: Without dead ends: 1105 [2022-10-16 03:58:39,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:39,719 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 3897 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 3031 SdHoareTripleChecker+Invalid, 2430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:39,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 3031 Invalid, 2430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2328 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:39,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-10-16 03:58:39,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 635. [2022-10-16 03:58:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3588907014681892) internal successors, (833), 634 states have internal predecessors, (833), 0 states have call successors, (0), 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 03:58:39,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 833 transitions. [2022-10-16 03:58:39,736 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 833 transitions. Word has length 95 [2022-10-16 03:58:39,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:39,736 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 833 transitions. [2022-10-16 03:58:39,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 833 transitions. [2022-10-16 03:58:39,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:39,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:39,739 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] [2022-10-16 03:58:39,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:58:39,739 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:39,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:39,740 INFO L85 PathProgramCache]: Analyzing trace with hash -891627133, now seen corresponding path program 1 times [2022-10-16 03:58:39,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:39,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238588650] [2022-10-16 03:58:39,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:40,156 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 03:58:40,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:40,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238588650] [2022-10-16 03:58:40,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238588650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:40,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:40,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:40,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823081585] [2022-10-16 03:58:40,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:40,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:40,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:40,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:40,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:40,159 INFO L87 Difference]: Start difference. First operand 635 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:41,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:41,780 INFO L93 Difference]: Finished difference Result 1105 states and 1468 transitions. [2022-10-16 03:58:41,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:41,780 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:41,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:41,786 INFO L225 Difference]: With dead ends: 1105 [2022-10-16 03:58:41,786 INFO L226 Difference]: Without dead ends: 1105 [2022-10-16 03:58:41,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:41,787 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 3897 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 2322 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:41,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 3028 Invalid, 2424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2322 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:41,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-10-16 03:58:41,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 635. [2022-10-16 03:58:41,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3572593800978794) internal successors, (832), 634 states have internal predecessors, (832), 0 states have call successors, (0), 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 03:58:41,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 832 transitions. [2022-10-16 03:58:41,803 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 832 transitions. Word has length 95 [2022-10-16 03:58:41,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:41,803 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 832 transitions. [2022-10-16 03:58:41,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:41,803 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 832 transitions. [2022-10-16 03:58:41,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:41,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:41,805 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] [2022-10-16 03:58:41,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:58:41,806 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:41,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:41,806 INFO L85 PathProgramCache]: Analyzing trace with hash -482781905, now seen corresponding path program 1 times [2022-10-16 03:58:41,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:41,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694956705] [2022-10-16 03:58:41,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:41,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:42,703 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 03:58:42,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:42,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694956705] [2022-10-16 03:58:42,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694956705] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:42,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:42,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:58:42,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444022537] [2022-10-16 03:58:42,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:42,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:58:42,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:42,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:58:42,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:58:42,707 INFO L87 Difference]: Start difference. First operand 635 states and 832 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:45,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:45,754 INFO L93 Difference]: Finished difference Result 1679 states and 2309 transitions. [2022-10-16 03:58:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:58:45,755 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:45,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:45,762 INFO L225 Difference]: With dead ends: 1679 [2022-10-16 03:58:45,762 INFO L226 Difference]: Without dead ends: 1679 [2022-10-16 03:58:45,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:58:45,764 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 5852 mSDsluCounter, 2858 mSDsCounter, 0 mSdLazyCounter, 2953 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5852 SdHoareTripleChecker+Valid, 3708 SdHoareTripleChecker+Invalid, 3470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 2953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:45,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5852 Valid, 3708 Invalid, 3470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 2953 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:58:45,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2022-10-16 03:58:45,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 639. [2022-10-16 03:58:45,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.3549432739059968) internal successors, (836), 638 states have internal predecessors, (836), 0 states have call successors, (0), 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 03:58:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 836 transitions. [2022-10-16 03:58:45,783 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 836 transitions. Word has length 95 [2022-10-16 03:58:45,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:45,783 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 836 transitions. [2022-10-16 03:58:45,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 836 transitions. [2022-10-16 03:58:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:45,786 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:45,786 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] [2022-10-16 03:58:45,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:58:45,786 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:45,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:45,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1726591378, now seen corresponding path program 1 times [2022-10-16 03:58:45,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:45,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829300717] [2022-10-16 03:58:45,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:46,245 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 03:58:46,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:46,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829300717] [2022-10-16 03:58:46,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829300717] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:46,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:46,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:46,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245815709] [2022-10-16 03:58:46,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:46,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:46,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:46,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:46,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:46,247 INFO L87 Difference]: Start difference. First operand 639 states and 836 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:47,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:47,749 INFO L93 Difference]: Finished difference Result 1121 states and 1496 transitions. [2022-10-16 03:58:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:47,749 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:47,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:47,766 INFO L225 Difference]: With dead ends: 1121 [2022-10-16 03:58:47,766 INFO L226 Difference]: Without dead ends: 1121 [2022-10-16 03:58:47,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:58:47,768 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 4159 mSDsluCounter, 2183 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4159 SdHoareTripleChecker+Valid, 2832 SdHoareTripleChecker+Invalid, 2200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:47,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4159 Valid, 2832 Invalid, 2200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 2134 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:47,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-16 03:58:47,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 639. [2022-10-16 03:58:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.353322528363047) internal successors, (835), 638 states have internal predecessors, (835), 0 states have call successors, (0), 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 03:58:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 835 transitions. [2022-10-16 03:58:47,795 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 835 transitions. Word has length 95 [2022-10-16 03:58:47,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:47,795 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 835 transitions. [2022-10-16 03:58:47,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 835 transitions. [2022-10-16 03:58:47,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:47,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:47,798 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] [2022-10-16 03:58:47,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:58:47,799 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:47,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:47,799 INFO L85 PathProgramCache]: Analyzing trace with hash -738270563, now seen corresponding path program 1 times [2022-10-16 03:58:47,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:47,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509059561] [2022-10-16 03:58:47,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:47,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:48,287 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 03:58:48,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:48,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509059561] [2022-10-16 03:58:48,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509059561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:48,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:48,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:48,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183855187] [2022-10-16 03:58:48,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:48,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:48,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:48,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:48,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:48,290 INFO L87 Difference]: Start difference. First operand 639 states and 835 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:49,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:49,910 INFO L93 Difference]: Finished difference Result 1109 states and 1470 transitions. [2022-10-16 03:58:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:49,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:49,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:49,914 INFO L225 Difference]: With dead ends: 1109 [2022-10-16 03:58:49,914 INFO L226 Difference]: Without dead ends: 1109 [2022-10-16 03:58:49,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:49,915 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 3855 mSDsluCounter, 2518 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3855 SdHoareTripleChecker+Valid, 3106 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:49,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3855 Valid, 3106 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2370 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:49,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2022-10-16 03:58:49,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 639. [2022-10-16 03:58:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.3517017828200972) internal successors, (834), 638 states have internal predecessors, (834), 0 states have call successors, (0), 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 03:58:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 834 transitions. [2022-10-16 03:58:49,928 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 834 transitions. Word has length 95 [2022-10-16 03:58:49,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:49,929 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 834 transitions. [2022-10-16 03:58:49,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 834 transitions. [2022-10-16 03:58:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:49,931 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:49,931 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] [2022-10-16 03:58:49,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:58:49,931 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:49,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:49,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1229098544, now seen corresponding path program 1 times [2022-10-16 03:58:49,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:49,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016251564] [2022-10-16 03:58:49,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:49,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:50,575 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 03:58:50,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:50,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016251564] [2022-10-16 03:58:50,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016251564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:50,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:50,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:58:50,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213012848] [2022-10-16 03:58:50,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:50,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:58:50,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:50,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:58:50,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:58:50,578 INFO L87 Difference]: Start difference. First operand 639 states and 834 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:53,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:53,710 INFO L93 Difference]: Finished difference Result 1679 states and 2307 transitions. [2022-10-16 03:58:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:58:53,711 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:53,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:53,714 INFO L225 Difference]: With dead ends: 1679 [2022-10-16 03:58:53,714 INFO L226 Difference]: Without dead ends: 1679 [2022-10-16 03:58:53,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:58:53,715 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 6609 mSDsluCounter, 3464 mSDsCounter, 0 mSdLazyCounter, 3382 mSolverCounterSat, 545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6609 SdHoareTripleChecker+Valid, 4292 SdHoareTripleChecker+Invalid, 3927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 3382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:53,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6609 Valid, 4292 Invalid, 3927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [545 Valid, 3382 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 03:58:53,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2022-10-16 03:58:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 643. [2022-10-16 03:58:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3494363929146538) internal successors, (838), 642 states have internal predecessors, (838), 0 states have call successors, (0), 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 03:58:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 838 transitions. [2022-10-16 03:58:53,730 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 838 transitions. Word has length 95 [2022-10-16 03:58:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:53,730 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 838 transitions. [2022-10-16 03:58:53,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 838 transitions. [2022-10-16 03:58:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:53,732 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:53,732 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] [2022-10-16 03:58:53,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:58:53,733 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:53,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:53,733 INFO L85 PathProgramCache]: Analyzing trace with hash 744826422, now seen corresponding path program 1 times [2022-10-16 03:58:53,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:53,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130179512] [2022-10-16 03:58:53,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:53,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:54,108 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 03:58:54,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:54,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130179512] [2022-10-16 03:58:54,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130179512] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:54,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:54,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:54,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489732525] [2022-10-16 03:58:54,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:54,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:54,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:54,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:54,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:54,111 INFO L87 Difference]: Start difference. First operand 643 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:55,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:55,767 INFO L93 Difference]: Finished difference Result 1113 states and 1473 transitions. [2022-10-16 03:58:55,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:55,767 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:55,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:55,769 INFO L225 Difference]: With dead ends: 1113 [2022-10-16 03:58:55,769 INFO L226 Difference]: Without dead ends: 1113 [2022-10-16 03:58:55,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:55,771 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 3852 mSDsluCounter, 2514 mSDsCounter, 0 mSdLazyCounter, 2367 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3852 SdHoareTripleChecker+Valid, 3102 SdHoareTripleChecker+Invalid, 2468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:55,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3852 Valid, 3102 Invalid, 2468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2367 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:55,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2022-10-16 03:58:55,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 643. [2022-10-16 03:58:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3478260869565217) internal successors, (837), 642 states have internal predecessors, (837), 0 states have call successors, (0), 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 03:58:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 837 transitions. [2022-10-16 03:58:55,792 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 837 transitions. Word has length 95 [2022-10-16 03:58:55,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:55,793 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 837 transitions. [2022-10-16 03:58:55,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 837 transitions. [2022-10-16 03:58:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:55,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:55,795 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] [2022-10-16 03:58:55,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:58:55,795 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:55,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:55,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1040432620, now seen corresponding path program 1 times [2022-10-16 03:58:55,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:55,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924946219] [2022-10-16 03:58:55,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:55,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:56,174 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 03:58:56,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:56,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924946219] [2022-10-16 03:58:56,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924946219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:56,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:56,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:56,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029528393] [2022-10-16 03:58:56,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:56,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:56,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:56,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:56,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:56,177 INFO L87 Difference]: Start difference. First operand 643 states and 837 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:57,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:57,658 INFO L93 Difference]: Finished difference Result 1121 states and 1491 transitions. [2022-10-16 03:58:57,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:57,659 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:57,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:57,661 INFO L225 Difference]: With dead ends: 1121 [2022-10-16 03:58:57,661 INFO L226 Difference]: Without dead ends: 1121 [2022-10-16 03:58:57,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:58:57,663 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 4295 mSDsluCounter, 2091 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4295 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 2123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:57,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4295 Valid, 2702 Invalid, 2123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:58:57,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-16 03:58:57,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 643. [2022-10-16 03:58:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3462157809983897) internal successors, (836), 642 states have internal predecessors, (836), 0 states have call successors, (0), 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 03:58:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 836 transitions. [2022-10-16 03:58:57,678 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 836 transitions. Word has length 95 [2022-10-16 03:58:57,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:57,678 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 836 transitions. [2022-10-16 03:58:57,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 836 transitions. [2022-10-16 03:58:57,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:57,680 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:57,680 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] [2022-10-16 03:58:57,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:58:57,681 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:57,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:57,681 INFO L85 PathProgramCache]: Analyzing trace with hash -359034935, now seen corresponding path program 1 times [2022-10-16 03:58:57,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:57,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405567199] [2022-10-16 03:58:57,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:57,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:58,059 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 03:58:58,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:58,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405567199] [2022-10-16 03:58:58,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405567199] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:58,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:58,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:58,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778598856] [2022-10-16 03:58:58,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:58,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:58,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:58,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:58,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:58,062 INFO L87 Difference]: Start difference. First operand 643 states and 836 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:59,775 INFO L93 Difference]: Finished difference Result 1113 states and 1471 transitions. [2022-10-16 03:58:59,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:59,776 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:58:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:59,778 INFO L225 Difference]: With dead ends: 1113 [2022-10-16 03:58:59,778 INFO L226 Difference]: Without dead ends: 1113 [2022-10-16 03:58:59,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:59,780 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 3810 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 2414 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3810 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:59,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3810 Valid, 3163 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2414 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:58:59,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2022-10-16 03:58:59,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 643. [2022-10-16 03:58:59,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3446054750402576) internal successors, (835), 642 states have internal predecessors, (835), 0 states have call successors, (0), 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 03:58:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 835 transitions. [2022-10-16 03:58:59,797 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 835 transitions. Word has length 95 [2022-10-16 03:58:59,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:59,797 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 835 transitions. [2022-10-16 03:58:59,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:58:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 835 transitions. [2022-10-16 03:58:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:58:59,799 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:59,799 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] [2022-10-16 03:58:59,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:58:59,800 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:59,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:59,801 INFO L85 PathProgramCache]: Analyzing trace with hash 933080142, now seen corresponding path program 1 times [2022-10-16 03:58:59,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:59,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39734973] [2022-10-16 03:58:59,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:59,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:00,507 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 03:59:00,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:00,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39734973] [2022-10-16 03:59:00,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39734973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:00,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:00,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:00,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785417602] [2022-10-16 03:59:00,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:00,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:00,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:00,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:00,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:00,509 INFO L87 Difference]: Start difference. First operand 643 states and 835 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:59:03,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:03,397 INFO L93 Difference]: Finished difference Result 1670 states and 2293 transitions. [2022-10-16 03:59:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:59:03,398 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:59:03,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:03,400 INFO L225 Difference]: With dead ends: 1670 [2022-10-16 03:59:03,400 INFO L226 Difference]: Without dead ends: 1670 [2022-10-16 03:59:03,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:59:03,402 INFO L413 NwaCegarLoop]: 793 mSDtfsCounter, 8262 mSDsluCounter, 2587 mSDsCounter, 0 mSdLazyCounter, 2672 mSolverCounterSat, 671 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8262 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 3343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 671 IncrementalHoareTripleChecker+Valid, 2672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:03,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8262 Valid, 3380 Invalid, 3343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [671 Valid, 2672 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 03:59:03,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2022-10-16 03:59:03,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 647. [2022-10-16 03:59:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3424) internal successors, (839), 646 states have internal predecessors, (839), 0 states have call successors, (0), 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 03:59:03,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 839 transitions. [2022-10-16 03:59:03,417 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 839 transitions. Word has length 95 [2022-10-16 03:59:03,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:03,418 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 839 transitions. [2022-10-16 03:59:03,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:59:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 839 transitions. [2022-10-16 03:59:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:59:03,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:03,420 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] [2022-10-16 03:59:03,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:59:03,420 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:03,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:03,420 INFO L85 PathProgramCache]: Analyzing trace with hash -698776940, now seen corresponding path program 1 times [2022-10-16 03:59:03,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:03,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209829806] [2022-10-16 03:59:03,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:03,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:03,794 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 03:59:03,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:03,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209829806] [2022-10-16 03:59:03,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209829806] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:03,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:03,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:03,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462465297] [2022-10-16 03:59:03,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:03,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:03,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:03,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:03,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:03,797 INFO L87 Difference]: Start difference. First operand 647 states and 839 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:59:05,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:05,454 INFO L93 Difference]: Finished difference Result 1117 states and 1474 transitions. [2022-10-16 03:59:05,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:05,455 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 03:59:05,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:05,458 INFO L225 Difference]: With dead ends: 1117 [2022-10-16 03:59:05,458 INFO L226 Difference]: Without dead ends: 1117 [2022-10-16 03:59:05,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:05,460 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 3807 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 2408 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:05,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3807 Valid, 3163 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2408 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:59:05,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2022-10-16 03:59:05,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 647. [2022-10-16 03:59:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3408) internal successors, (838), 646 states have internal predecessors, (838), 0 states have call successors, (0), 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 03:59:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 838 transitions. [2022-10-16 03:59:05,472 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 838 transitions. Word has length 95 [2022-10-16 03:59:05,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:05,473 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 838 transitions. [2022-10-16 03:59:05,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 03:59:05,473 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 838 transitions. [2022-10-16 03:59:05,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:59:05,475 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:05,475 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] [2022-10-16 03:59:05,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:59:05,475 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:05,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:05,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1514074373, now seen corresponding path program 1 times [2022-10-16 03:59:05,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:05,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332234939] [2022-10-16 03:59:05,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:05,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:05,800 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 03:59:05,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:05,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332234939] [2022-10-16 03:59:05,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332234939] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:05,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:05,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:05,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946211329] [2022-10-16 03:59:05,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:05,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:05,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:05,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:05,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:05,803 INFO L87 Difference]: Start difference. First operand 647 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 03:59:07,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:07,226 INFO L93 Difference]: Finished difference Result 1121 states and 1486 transitions. [2022-10-16 03:59:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:07,226 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 03:59:07,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:07,229 INFO L225 Difference]: With dead ends: 1121 [2022-10-16 03:59:07,229 INFO L226 Difference]: Without dead ends: 1121 [2022-10-16 03:59:07,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:07,230 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 3048 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 2979 SdHoareTripleChecker+Invalid, 2302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:07,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 2979 Invalid, 2302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:59:07,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-16 03:59:07,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 643. [2022-10-16 03:59:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3413848631239935) internal successors, (833), 642 states have internal predecessors, (833), 0 states have call successors, (0), 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 03:59:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 833 transitions. [2022-10-16 03:59:07,244 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 833 transitions. Word has length 96 [2022-10-16 03:59:07,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:07,244 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 833 transitions. [2022-10-16 03:59:07,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 03:59:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 833 transitions. [2022-10-16 03:59:07,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:59:07,246 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:07,246 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] [2022-10-16 03:59:07,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:59:07,247 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:07,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:07,247 INFO L85 PathProgramCache]: Analyzing trace with hash -411424135, now seen corresponding path program 1 times [2022-10-16 03:59:07,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:07,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616167283] [2022-10-16 03:59:07,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:07,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:07,551 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 03:59:07,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:07,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616167283] [2022-10-16 03:59:07,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616167283] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:07,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:07,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:07,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300319738] [2022-10-16 03:59:07,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:07,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:07,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:07,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:07,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:07,553 INFO L87 Difference]: Start difference. First operand 643 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 03:59:09,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:09,029 INFO L93 Difference]: Finished difference Result 1121 states and 1485 transitions. [2022-10-16 03:59:09,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:09,029 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 03:59:09,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:09,031 INFO L225 Difference]: With dead ends: 1121 [2022-10-16 03:59:09,031 INFO L226 Difference]: Without dead ends: 1121 [2022-10-16 03:59:09,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:09,032 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 2491 mSDsluCounter, 2312 mSDsCounter, 0 mSdLazyCounter, 2312 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2491 SdHoareTripleChecker+Valid, 3079 SdHoareTripleChecker+Invalid, 2356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:09,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2491 Valid, 3079 Invalid, 2356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2312 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:59:09,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-16 03:59:09,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 639. [2022-10-16 03:59:09,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.3419773095623988) internal successors, (828), 638 states have internal predecessors, (828), 0 states have call successors, (0), 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 03:59:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 828 transitions. [2022-10-16 03:59:09,045 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 828 transitions. Word has length 96 [2022-10-16 03:59:09,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:09,046 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 828 transitions. [2022-10-16 03:59:09,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 03:59:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 828 transitions. [2022-10-16 03:59:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:59:09,048 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:09,048 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] [2022-10-16 03:59:09,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 03:59:09,048 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:09,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:09,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1570558424, now seen corresponding path program 1 times [2022-10-16 03:59:09,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:09,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150944206] [2022-10-16 03:59:09,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:09,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:09,353 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 03:59:09,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:09,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150944206] [2022-10-16 03:59:09,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150944206] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:09,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:09,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:09,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128548681] [2022-10-16 03:59:09,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:09,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:09,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:09,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:09,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:09,357 INFO L87 Difference]: Start difference. First operand 639 states and 828 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 03:59:10,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:10,844 INFO L93 Difference]: Finished difference Result 1121 states and 1484 transitions. [2022-10-16 03:59:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:10,845 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 03:59:10,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:10,848 INFO L225 Difference]: With dead ends: 1121 [2022-10-16 03:59:10,848 INFO L226 Difference]: Without dead ends: 1121 [2022-10-16 03:59:10,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:10,849 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 1986 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 2369 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 2403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:10,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 3163 Invalid, 2403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2369 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:59:10,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-16 03:59:10,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 635. [2022-10-16 03:59:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3425774877650898) internal successors, (823), 634 states have internal predecessors, (823), 0 states have call successors, (0), 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 03:59:10,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 823 transitions. [2022-10-16 03:59:10,862 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 823 transitions. Word has length 96 [2022-10-16 03:59:10,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:10,862 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 823 transitions. [2022-10-16 03:59:10,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 03:59:10,863 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 823 transitions. [2022-10-16 03:59:10,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:10,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:10,864 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] [2022-10-16 03:59:10,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:59:10,865 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:10,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:10,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1541256586, now seen corresponding path program 1 times [2022-10-16 03:59:10,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:10,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551388052] [2022-10-16 03:59:10,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:10,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:11,230 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 03:59:11,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:11,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551388052] [2022-10-16 03:59:11,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551388052] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:11,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:11,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:11,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108398794] [2022-10-16 03:59:11,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:11,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:11,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:11,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:11,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:11,233 INFO L87 Difference]: Start difference. First operand 635 states and 823 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:13,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:13,009 INFO L93 Difference]: Finished difference Result 1073 states and 1403 transitions. [2022-10-16 03:59:13,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:13,012 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:13,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:13,013 INFO L225 Difference]: With dead ends: 1073 [2022-10-16 03:59:13,013 INFO L226 Difference]: Without dead ends: 1073 [2022-10-16 03:59:13,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:13,014 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 3680 mSDsluCounter, 2472 mSDsCounter, 0 mSdLazyCounter, 2435 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 3079 SdHoareTripleChecker+Invalid, 2618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:13,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3680 Valid, 3079 Invalid, 2618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2435 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:59:13,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2022-10-16 03:59:13,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2022-10-16 03:59:13,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.3409461663947797) internal successors, (822), 634 states have internal predecessors, (822), 0 states have call successors, (0), 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 03:59:13,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 822 transitions. [2022-10-16 03:59:13,024 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 822 transitions. Word has length 97 [2022-10-16 03:59:13,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:13,025 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 822 transitions. [2022-10-16 03:59:13,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 822 transitions. [2022-10-16 03:59:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:13,027 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:13,027 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] [2022-10-16 03:59:13,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 03:59:13,027 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:13,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:13,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1487727486, now seen corresponding path program 1 times [2022-10-16 03:59:13,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:13,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543146269] [2022-10-16 03:59:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:13,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:13,577 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 03:59:13,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:13,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543146269] [2022-10-16 03:59:13,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543146269] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:13,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:13,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:13,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948178289] [2022-10-16 03:59:13,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:13,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:13,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:13,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:13,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:13,580 INFO L87 Difference]: Start difference. First operand 635 states and 822 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:16,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:16,609 INFO L93 Difference]: Finished difference Result 1442 states and 1939 transitions. [2022-10-16 03:59:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:59:16,610 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:16,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:16,613 INFO L225 Difference]: With dead ends: 1442 [2022-10-16 03:59:16,613 INFO L226 Difference]: Without dead ends: 1442 [2022-10-16 03:59:16,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:59:16,615 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 7070 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 2743 mSolverCounterSat, 995 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7070 SdHoareTripleChecker+Valid, 3277 SdHoareTripleChecker+Invalid, 3738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 995 IncrementalHoareTripleChecker+Valid, 2743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:16,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7070 Valid, 3277 Invalid, 3738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [995 Valid, 2743 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:59:16,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2022-10-16 03:59:16,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 639. [2022-10-16 03:59:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.3387358184764993) internal successors, (826), 638 states have internal predecessors, (826), 0 states have call successors, (0), 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 03:59:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 826 transitions. [2022-10-16 03:59:16,626 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 826 transitions. Word has length 97 [2022-10-16 03:59:16,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:16,626 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 826 transitions. [2022-10-16 03:59:16,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 826 transitions. [2022-10-16 03:59:16,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:16,628 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:16,628 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] [2022-10-16 03:59:16,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 03:59:16,629 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:16,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:16,629 INFO L85 PathProgramCache]: Analyzing trace with hash -2052103235, now seen corresponding path program 1 times [2022-10-16 03:59:16,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:16,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135135901] [2022-10-16 03:59:16,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:16,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:16,984 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 03:59:16,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:16,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135135901] [2022-10-16 03:59:16,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135135901] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:16,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:16,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:16,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238275327] [2022-10-16 03:59:16,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:16,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:16,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:16,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:16,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:16,987 INFO L87 Difference]: Start difference. First operand 639 states and 826 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:18,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:18,622 INFO L93 Difference]: Finished difference Result 1073 states and 1401 transitions. [2022-10-16 03:59:18,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:18,623 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:18,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:18,627 INFO L225 Difference]: With dead ends: 1073 [2022-10-16 03:59:18,627 INFO L226 Difference]: Without dead ends: 1073 [2022-10-16 03:59:18,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:18,629 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 3777 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 2241 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3777 SdHoareTripleChecker+Valid, 2861 SdHoareTripleChecker+Invalid, 2426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 2241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:18,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3777 Valid, 2861 Invalid, 2426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 2241 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:59:18,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2022-10-16 03:59:18,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 639. [2022-10-16 03:59:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.3371150729335495) internal successors, (825), 638 states have internal predecessors, (825), 0 states have call successors, (0), 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 03:59:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 825 transitions. [2022-10-16 03:59:18,642 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 825 transitions. Word has length 97 [2022-10-16 03:59:18,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:18,642 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 825 transitions. [2022-10-16 03:59:18,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 825 transitions. [2022-10-16 03:59:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:18,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:18,645 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] [2022-10-16 03:59:18,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 03:59:18,646 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:18,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:18,646 INFO L85 PathProgramCache]: Analyzing trace with hash -139906133, now seen corresponding path program 1 times [2022-10-16 03:59:18,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:18,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218147222] [2022-10-16 03:59:18,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:18,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:19,244 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 03:59:19,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:19,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218147222] [2022-10-16 03:59:19,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218147222] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:19,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:19,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:19,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169868086] [2022-10-16 03:59:19,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:19,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:19,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:19,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:19,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:19,248 INFO L87 Difference]: Start difference. First operand 639 states and 825 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:22,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:22,338 INFO L93 Difference]: Finished difference Result 1570 states and 2130 transitions. [2022-10-16 03:59:22,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:59:22,339 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:22,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:22,342 INFO L225 Difference]: With dead ends: 1570 [2022-10-16 03:59:22,343 INFO L226 Difference]: Without dead ends: 1570 [2022-10-16 03:59:22,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:59:22,344 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 5734 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 3211 mSolverCounterSat, 600 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5734 SdHoareTripleChecker+Valid, 4051 SdHoareTripleChecker+Invalid, 3811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 600 IncrementalHoareTripleChecker+Valid, 3211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:22,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5734 Valid, 4051 Invalid, 3811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [600 Valid, 3211 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:59:22,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-10-16 03:59:22,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 643. [2022-10-16 03:59:22,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3349436392914653) internal successors, (829), 642 states have internal predecessors, (829), 0 states have call successors, (0), 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 03:59:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 829 transitions. [2022-10-16 03:59:22,358 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 829 transitions. Word has length 97 [2022-10-16 03:59:22,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:22,359 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 829 transitions. [2022-10-16 03:59:22,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 829 transitions. [2022-10-16 03:59:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:22,360 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:22,361 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] [2022-10-16 03:59:22,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 03:59:22,361 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:22,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:22,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1430230902, now seen corresponding path program 1 times [2022-10-16 03:59:22,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:22,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445627245] [2022-10-16 03:59:22,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:22,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:22,724 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 03:59:22,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:22,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445627245] [2022-10-16 03:59:22,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445627245] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:22,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:22,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:22,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162149266] [2022-10-16 03:59:22,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:22,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:22,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:22,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:22,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:22,726 INFO L87 Difference]: Start difference. First operand 643 states and 829 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:24,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:24,369 INFO L93 Difference]: Finished difference Result 1077 states and 1404 transitions. [2022-10-16 03:59:24,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:24,369 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:24,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:24,372 INFO L225 Difference]: With dead ends: 1077 [2022-10-16 03:59:24,372 INFO L226 Difference]: Without dead ends: 1077 [2022-10-16 03:59:24,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:24,374 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 3773 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3773 SdHoareTripleChecker+Valid, 2861 SdHoareTripleChecker+Invalid, 2422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:24,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3773 Valid, 2861 Invalid, 2422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 2237 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:59:24,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2022-10-16 03:59:24,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 643. [2022-10-16 03:59:24,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3333333333333333) internal successors, (828), 642 states have internal predecessors, (828), 0 states have call successors, (0), 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 03:59:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 828 transitions. [2022-10-16 03:59:24,385 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 828 transitions. Word has length 97 [2022-10-16 03:59:24,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:24,386 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 828 transitions. [2022-10-16 03:59:24,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 828 transitions. [2022-10-16 03:59:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:24,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:24,388 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] [2022-10-16 03:59:24,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 03:59:24,388 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:24,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:24,388 INFO L85 PathProgramCache]: Analyzing trace with hash -952539292, now seen corresponding path program 1 times [2022-10-16 03:59:24,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:24,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947227173] [2022-10-16 03:59:24,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:24,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:24,731 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 03:59:24,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:24,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947227173] [2022-10-16 03:59:24,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947227173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:24,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:24,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:24,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595033280] [2022-10-16 03:59:24,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:24,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:24,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:24,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:24,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:24,734 INFO L87 Difference]: Start difference. First operand 643 states and 828 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:26,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:26,435 INFO L93 Difference]: Finished difference Result 1109 states and 1457 transitions. [2022-10-16 03:59:26,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:26,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:26,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:26,438 INFO L225 Difference]: With dead ends: 1109 [2022-10-16 03:59:26,438 INFO L226 Difference]: Without dead ends: 1109 [2022-10-16 03:59:26,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:26,439 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 3693 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 2525 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3693 SdHoareTripleChecker+Valid, 3367 SdHoareTripleChecker+Invalid, 2622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:26,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3693 Valid, 3367 Invalid, 2622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2525 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:59:26,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2022-10-16 03:59:26,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 643. [2022-10-16 03:59:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.3317230273752012) internal successors, (827), 642 states have internal predecessors, (827), 0 states have call successors, (0), 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 03:59:26,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 827 transitions. [2022-10-16 03:59:26,449 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 827 transitions. Word has length 97 [2022-10-16 03:59:26,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:26,449 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 827 transitions. [2022-10-16 03:59:26,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:26,449 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 827 transitions. [2022-10-16 03:59:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:26,451 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:26,451 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] [2022-10-16 03:59:26,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 03:59:26,451 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:26,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:26,452 INFO L85 PathProgramCache]: Analyzing trace with hash -557790964, now seen corresponding path program 1 times [2022-10-16 03:59:26,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:26,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765229959] [2022-10-16 03:59:26,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:26,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:27,004 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 03:59:27,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:27,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765229959] [2022-10-16 03:59:27,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765229959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:27,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:27,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:27,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014114527] [2022-10-16 03:59:27,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:27,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:27,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:27,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:27,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:27,008 INFO L87 Difference]: Start difference. First operand 643 states and 827 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:30,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:30,248 INFO L93 Difference]: Finished difference Result 1693 states and 2304 transitions. [2022-10-16 03:59:30,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:59:30,249 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:30,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:30,252 INFO L225 Difference]: With dead ends: 1693 [2022-10-16 03:59:30,253 INFO L226 Difference]: Without dead ends: 1693 [2022-10-16 03:59:30,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:59:30,254 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 6891 mSDsluCounter, 3660 mSDsCounter, 0 mSdLazyCounter, 3491 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6891 SdHoareTripleChecker+Valid, 4517 SdHoareTripleChecker+Invalid, 4093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 3491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:30,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6891 Valid, 4517 Invalid, 4093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [602 Valid, 3491 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 03:59:30,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2022-10-16 03:59:30,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 647. [2022-10-16 03:59:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3296) internal successors, (831), 646 states have internal predecessors, (831), 0 states have call successors, (0), 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 03:59:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 831 transitions. [2022-10-16 03:59:30,267 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 831 transitions. Word has length 97 [2022-10-16 03:59:30,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:30,267 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 831 transitions. [2022-10-16 03:59:30,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:30,268 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 831 transitions. [2022-10-16 03:59:30,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:30,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:30,269 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] [2022-10-16 03:59:30,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 03:59:30,270 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:30,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:30,270 INFO L85 PathProgramCache]: Analyzing trace with hash 934856710, now seen corresponding path program 1 times [2022-10-16 03:59:30,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:30,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281621853] [2022-10-16 03:59:30,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:30,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:30,611 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 03:59:30,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:30,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281621853] [2022-10-16 03:59:30,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281621853] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:30,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:30,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:30,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480962358] [2022-10-16 03:59:30,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:30,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:30,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:30,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:30,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:30,614 INFO L87 Difference]: Start difference. First operand 647 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:32,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:32,318 INFO L93 Difference]: Finished difference Result 1081 states and 1406 transitions. [2022-10-16 03:59:32,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:32,319 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:32,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:32,322 INFO L225 Difference]: With dead ends: 1081 [2022-10-16 03:59:32,322 INFO L226 Difference]: Without dead ends: 1081 [2022-10-16 03:59:32,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:32,324 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 3644 mSDsluCounter, 2512 mSDsCounter, 0 mSdLazyCounter, 2433 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3644 SdHoareTripleChecker+Valid, 3132 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 2433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:32,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3644 Valid, 3132 Invalid, 2615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 2433 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:59:32,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2022-10-16 03:59:32,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 647. [2022-10-16 03:59:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.328) internal successors, (830), 646 states have internal predecessors, (830), 0 states have call successors, (0), 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 03:59:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 830 transitions. [2022-10-16 03:59:32,335 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 830 transitions. Word has length 97 [2022-10-16 03:59:32,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:32,335 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 830 transitions. [2022-10-16 03:59:32,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 830 transitions. [2022-10-16 03:59:32,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:32,337 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:32,337 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] [2022-10-16 03:59:32,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 03:59:32,338 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:32,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:32,338 INFO L85 PathProgramCache]: Analyzing trace with hash -965955861, now seen corresponding path program 1 times [2022-10-16 03:59:32,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:32,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359151456] [2022-10-16 03:59:32,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:32,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:32,860 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 03:59:32,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:32,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359151456] [2022-10-16 03:59:32,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359151456] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:32,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:32,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:32,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694447263] [2022-10-16 03:59:32,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:32,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:32,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:32,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:32,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:32,864 INFO L87 Difference]: Start difference. First operand 647 states and 830 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:35,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:35,760 INFO L93 Difference]: Finished difference Result 1447 states and 1939 transitions. [2022-10-16 03:59:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:59:35,761 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:35,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:35,763 INFO L225 Difference]: With dead ends: 1447 [2022-10-16 03:59:35,763 INFO L226 Difference]: Without dead ends: 1447 [2022-10-16 03:59:35,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:59:35,764 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 5868 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 2621 mSolverCounterSat, 823 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5868 SdHoareTripleChecker+Valid, 3132 SdHoareTripleChecker+Invalid, 3444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 823 IncrementalHoareTripleChecker+Valid, 2621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:35,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5868 Valid, 3132 Invalid, 3444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [823 Valid, 2621 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 03:59:35,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2022-10-16 03:59:35,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 651. [2022-10-16 03:59:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.3259141494435611) internal successors, (834), 650 states have internal predecessors, (834), 0 states have call successors, (0), 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 03:59:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 834 transitions. [2022-10-16 03:59:35,777 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 834 transitions. Word has length 97 [2022-10-16 03:59:35,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:35,777 INFO L495 AbstractCegarLoop]: Abstraction has 651 states and 834 transitions. [2022-10-16 03:59:35,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:35,777 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 834 transitions. [2022-10-16 03:59:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:35,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:35,779 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] [2022-10-16 03:59:35,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 03:59:35,780 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:35,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:35,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1614649937, now seen corresponding path program 1 times [2022-10-16 03:59:35,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:35,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6734629] [2022-10-16 03:59:35,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:35,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:36,102 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 03:59:36,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:36,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6734629] [2022-10-16 03:59:36,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6734629] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:36,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:36,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:36,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374845413] [2022-10-16 03:59:36,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:36,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:36,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:36,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:36,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:36,106 INFO L87 Difference]: Start difference. First operand 651 states and 834 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:37,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:37,719 INFO L93 Difference]: Finished difference Result 1081 states and 1404 transitions. [2022-10-16 03:59:37,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:37,720 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:37,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:37,721 INFO L225 Difference]: With dead ends: 1081 [2022-10-16 03:59:37,721 INFO L226 Difference]: Without dead ends: 1081 [2022-10-16 03:59:37,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:37,723 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 3740 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 2238 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3740 SdHoareTripleChecker+Valid, 2913 SdHoareTripleChecker+Invalid, 2422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 2238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:37,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3740 Valid, 2913 Invalid, 2422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 2238 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:59:37,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2022-10-16 03:59:37,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 651. [2022-10-16 03:59:37,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.3243243243243243) internal successors, (833), 650 states have internal predecessors, (833), 0 states have call successors, (0), 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 03:59:37,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 833 transitions. [2022-10-16 03:59:37,732 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 833 transitions. Word has length 97 [2022-10-16 03:59:37,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:37,733 INFO L495 AbstractCegarLoop]: Abstraction has 651 states and 833 transitions. [2022-10-16 03:59:37,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 833 transitions. [2022-10-16 03:59:37,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:37,734 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:37,734 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] [2022-10-16 03:59:37,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 03:59:37,735 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:37,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:37,735 INFO L85 PathProgramCache]: Analyzing trace with hash 59659843, now seen corresponding path program 1 times [2022-10-16 03:59:37,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:37,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324002140] [2022-10-16 03:59:37,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:37,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:38,183 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 03:59:38,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:38,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324002140] [2022-10-16 03:59:38,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324002140] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:38,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:38,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:38,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525437495] [2022-10-16 03:59:38,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:38,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:38,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:38,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:38,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:38,186 INFO L87 Difference]: Start difference. First operand 651 states and 833 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:41,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:41,007 INFO L93 Difference]: Finished difference Result 1573 states and 2126 transitions. [2022-10-16 03:59:41,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:59:41,008 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:41,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:41,010 INFO L225 Difference]: With dead ends: 1573 [2022-10-16 03:59:41,011 INFO L226 Difference]: Without dead ends: 1573 [2022-10-16 03:59:41,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:59:41,012 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 5781 mSDsluCounter, 2570 mSDsCounter, 0 mSdLazyCounter, 2575 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5781 SdHoareTripleChecker+Valid, 3324 SdHoareTripleChecker+Invalid, 3181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 2575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:41,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5781 Valid, 3324 Invalid, 3181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 2575 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 03:59:41,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-10-16 03:59:41,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 655. [2022-10-16 03:59:41,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.3222748815165877) internal successors, (837), 654 states have internal predecessors, (837), 0 states have call successors, (0), 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 03:59:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 837 transitions. [2022-10-16 03:59:41,023 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 837 transitions. Word has length 97 [2022-10-16 03:59:41,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:41,023 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 837 transitions. [2022-10-16 03:59:41,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:41,024 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 837 transitions. [2022-10-16 03:59:41,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:41,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:41,025 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] [2022-10-16 03:59:41,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 03:59:41,025 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:41,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:41,026 INFO L85 PathProgramCache]: Analyzing trace with hash 610975350, now seen corresponding path program 1 times [2022-10-16 03:59:41,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:41,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985877549] [2022-10-16 03:59:41,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:41,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:41,322 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 03:59:41,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:41,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985877549] [2022-10-16 03:59:41,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985877549] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:41,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:41,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:41,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828006296] [2022-10-16 03:59:41,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:41,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:41,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:41,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:41,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:41,325 INFO L87 Difference]: Start difference. First operand 655 states and 837 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:42,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:42,948 INFO L93 Difference]: Finished difference Result 1085 states and 1407 transitions. [2022-10-16 03:59:42,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:42,948 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:42,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:42,952 INFO L225 Difference]: With dead ends: 1085 [2022-10-16 03:59:42,952 INFO L226 Difference]: Without dead ends: 1085 [2022-10-16 03:59:42,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:42,953 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 3738 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 2234 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3738 SdHoareTripleChecker+Valid, 2910 SdHoareTripleChecker+Invalid, 2418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 2234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:42,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3738 Valid, 2910 Invalid, 2418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 2234 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:59:42,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2022-10-16 03:59:42,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 655. [2022-10-16 03:59:42,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.320695102685624) internal successors, (836), 654 states have internal predecessors, (836), 0 states have call successors, (0), 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 03:59:42,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 836 transitions. [2022-10-16 03:59:42,964 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 836 transitions. Word has length 97 [2022-10-16 03:59:42,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:42,965 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 836 transitions. [2022-10-16 03:59:42,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:42,965 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 836 transitions. [2022-10-16 03:59:42,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:42,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:42,967 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] [2022-10-16 03:59:42,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 03:59:42,967 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:42,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:42,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1771794844, now seen corresponding path program 1 times [2022-10-16 03:59:42,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:42,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218712395] [2022-10-16 03:59:42,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:42,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:43,531 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 03:59:43,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:43,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218712395] [2022-10-16 03:59:43,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218712395] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:43,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:43,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:43,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272364771] [2022-10-16 03:59:43,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:43,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:43,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:43,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:43,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:43,534 INFO L87 Difference]: Start difference. First operand 655 states and 836 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:46,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:46,423 INFO L93 Difference]: Finished difference Result 1578 states and 2128 transitions. [2022-10-16 03:59:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:59:46,424 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:46,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:46,426 INFO L225 Difference]: With dead ends: 1578 [2022-10-16 03:59:46,427 INFO L226 Difference]: Without dead ends: 1578 [2022-10-16 03:59:46,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:59:46,428 INFO L413 NwaCegarLoop]: 750 mSDtfsCounter, 6992 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 2543 mSolverCounterSat, 725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6992 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 3268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 725 IncrementalHoareTripleChecker+Valid, 2543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:46,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6992 Valid, 3294 Invalid, 3268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [725 Valid, 2543 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 03:59:46,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2022-10-16 03:59:46,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 659. [2022-10-16 03:59:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.3186813186813187) internal successors, (840), 658 states have internal predecessors, (840), 0 states have call successors, (0), 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 03:59:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 840 transitions. [2022-10-16 03:59:46,441 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 840 transitions. Word has length 97 [2022-10-16 03:59:46,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:46,441 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 840 transitions. [2022-10-16 03:59:46,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 840 transitions. [2022-10-16 03:59:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:46,443 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:46,443 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] [2022-10-16 03:59:46,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 03:59:46,443 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:46,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:46,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1121558854, now seen corresponding path program 1 times [2022-10-16 03:59:46,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:46,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890163132] [2022-10-16 03:59:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:46,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:46,774 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 03:59:46,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:46,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890163132] [2022-10-16 03:59:46,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890163132] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:46,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:46,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:46,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023854327] [2022-10-16 03:59:46,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:46,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:46,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:46,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:46,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:46,776 INFO L87 Difference]: Start difference. First operand 659 states and 840 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:48,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:48,413 INFO L93 Difference]: Finished difference Result 1089 states and 1410 transitions. [2022-10-16 03:59:48,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:48,413 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:48,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:48,415 INFO L225 Difference]: With dead ends: 1089 [2022-10-16 03:59:48,415 INFO L226 Difference]: Without dead ends: 1089 [2022-10-16 03:59:48,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:48,416 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 3732 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3732 SdHoareTripleChecker+Valid, 2913 SdHoareTripleChecker+Invalid, 2414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:48,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3732 Valid, 2913 Invalid, 2414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:59:48,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2022-10-16 03:59:48,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 659. [2022-10-16 03:59:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.317111459968603) internal successors, (839), 658 states have internal predecessors, (839), 0 states have call successors, (0), 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 03:59:48,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 839 transitions. [2022-10-16 03:59:48,424 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 839 transitions. Word has length 97 [2022-10-16 03:59:48,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:48,425 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 839 transitions. [2022-10-16 03:59:48,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 839 transitions. [2022-10-16 03:59:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:48,426 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:48,426 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] [2022-10-16 03:59:48,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 03:59:48,427 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:48,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:48,427 INFO L85 PathProgramCache]: Analyzing trace with hash -144161225, now seen corresponding path program 1 times [2022-10-16 03:59:48,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:48,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820389467] [2022-10-16 03:59:48,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:48,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:48,882 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 03:59:48,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:48,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820389467] [2022-10-16 03:59:48,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820389467] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:48,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:48,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:48,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567944258] [2022-10-16 03:59:48,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:48,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:48,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:48,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:48,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:48,884 INFO L87 Difference]: Start difference. First operand 659 states and 839 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:51,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:51,866 INFO L93 Difference]: Finished difference Result 1458 states and 1945 transitions. [2022-10-16 03:59:51,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:59:51,867 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:51,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:51,869 INFO L225 Difference]: With dead ends: 1458 [2022-10-16 03:59:51,869 INFO L226 Difference]: Without dead ends: 1458 [2022-10-16 03:59:51,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:59:51,870 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 6978 mSDsluCounter, 2689 mSDsCounter, 0 mSdLazyCounter, 2715 mSolverCounterSat, 984 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6978 SdHoareTripleChecker+Valid, 3311 SdHoareTripleChecker+Invalid, 3699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 984 IncrementalHoareTripleChecker+Valid, 2715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:51,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6978 Valid, 3311 Invalid, 3699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [984 Valid, 2715 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 03:59:51,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2022-10-16 03:59:51,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 663. [2022-10-16 03:59:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 641 states have (on average 1.3151326053042123) internal successors, (843), 662 states have internal predecessors, (843), 0 states have call successors, (0), 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 03:59:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 843 transitions. [2022-10-16 03:59:51,879 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 843 transitions. Word has length 97 [2022-10-16 03:59:51,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:51,880 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 843 transitions. [2022-10-16 03:59:51,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 843 transitions. [2022-10-16 03:59:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:51,882 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:51,882 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] [2022-10-16 03:59:51,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 03:59:51,882 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:51,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:51,883 INFO L85 PathProgramCache]: Analyzing trace with hash 733511318, now seen corresponding path program 1 times [2022-10-16 03:59:51,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:51,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090979222] [2022-10-16 03:59:51,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:51,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:52,294 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 03:59:52,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:52,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090979222] [2022-10-16 03:59:52,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090979222] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:52,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:52,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:52,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692127003] [2022-10-16 03:59:52,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:52,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:52,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:52,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:52,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:52,297 INFO L87 Difference]: Start difference. First operand 663 states and 843 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:55,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:55,096 INFO L93 Difference]: Finished difference Result 1577 states and 2126 transitions. [2022-10-16 03:59:55,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:59:55,097 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:55,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:55,099 INFO L225 Difference]: With dead ends: 1577 [2022-10-16 03:59:55,099 INFO L226 Difference]: Without dead ends: 1577 [2022-10-16 03:59:55,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:59:55,101 INFO L413 NwaCegarLoop]: 735 mSDtfsCounter, 7996 mSDsluCounter, 2407 mSDsCounter, 0 mSdLazyCounter, 2398 mSolverCounterSat, 755 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7996 SdHoareTripleChecker+Valid, 3142 SdHoareTripleChecker+Invalid, 3153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 755 IncrementalHoareTripleChecker+Valid, 2398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:55,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7996 Valid, 3142 Invalid, 3153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [755 Valid, 2398 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 03:59:55,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2022-10-16 03:59:55,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 667. [2022-10-16 03:59:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 645 states have (on average 1.3131782945736434) internal successors, (847), 666 states have internal predecessors, (847), 0 states have call successors, (0), 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 03:59:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 847 transitions. [2022-10-16 03:59:55,113 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 847 transitions. Word has length 97 [2022-10-16 03:59:55,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:55,113 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 847 transitions. [2022-10-16 03:59:55,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 847 transitions. [2022-10-16 03:59:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:55,115 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:55,115 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] [2022-10-16 03:59:55,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 03:59:55,116 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:55,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:55,116 INFO L85 PathProgramCache]: Analyzing trace with hash -941278081, now seen corresponding path program 1 times [2022-10-16 03:59:55,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:55,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314559304] [2022-10-16 03:59:55,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:55,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:55,400 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 03:59:55,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:55,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314559304] [2022-10-16 03:59:55,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314559304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:55,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:55,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:55,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111222827] [2022-10-16 03:59:55,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:55,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:55,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:55,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:55,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:55,402 INFO L87 Difference]: Start difference. First operand 667 states and 847 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:57,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:57,091 INFO L93 Difference]: Finished difference Result 1093 states and 1412 transitions. [2022-10-16 03:59:57,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:57,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:59:57,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:57,093 INFO L225 Difference]: With dead ends: 1093 [2022-10-16 03:59:57,093 INFO L226 Difference]: Without dead ends: 1093 [2022-10-16 03:59:57,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:57,094 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 3635 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 2394 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3635 SdHoareTripleChecker+Valid, 3115 SdHoareTripleChecker+Invalid, 2576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 2394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:57,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3635 Valid, 3115 Invalid, 2576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 2394 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:59:57,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2022-10-16 03:59:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 667. [2022-10-16 03:59:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 645 states have (on average 1.3116279069767443) internal successors, (846), 666 states have internal predecessors, (846), 0 states have call successors, (0), 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 03:59:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 846 transitions. [2022-10-16 03:59:57,104 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 846 transitions. Word has length 97 [2022-10-16 03:59:57,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:57,104 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 846 transitions. [2022-10-16 03:59:57,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 03:59:57,104 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 846 transitions. [2022-10-16 03:59:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:59:57,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:57,106 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] [2022-10-16 03:59:57,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 03:59:57,106 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:57,107 INFO L85 PathProgramCache]: Analyzing trace with hash -292584005, now seen corresponding path program 1 times [2022-10-16 03:59:57,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:57,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106994272] [2022-10-16 03:59:57,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:57,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:57,776 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 03:59:57,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:57,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106994272] [2022-10-16 03:59:57,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106994272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:57,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:57,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:57,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084910727] [2022-10-16 03:59:57,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:57,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:57,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:57,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:57,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:57,780 INFO L87 Difference]: Start difference. First operand 667 states and 846 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:00,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:00,879 INFO L93 Difference]: Finished difference Result 1459 states and 1945 transitions. [2022-10-16 04:00:00,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:00:00,880 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:00,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:00,882 INFO L225 Difference]: With dead ends: 1459 [2022-10-16 04:00:00,882 INFO L226 Difference]: Without dead ends: 1459 [2022-10-16 04:00:00,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:00:00,883 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 5865 mSDsluCounter, 2491 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 830 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5865 SdHoareTripleChecker+Valid, 3106 SdHoareTripleChecker+Invalid, 3425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 830 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:00,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5865 Valid, 3106 Invalid, 3425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [830 Valid, 2595 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:00:00,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1459 states. [2022-10-16 04:00:00,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1459 to 671. [2022-10-16 04:00:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 649 states have (on average 1.3097072419106317) internal successors, (850), 670 states have internal predecessors, (850), 0 states have call successors, (0), 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 04:00:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 850 transitions. [2022-10-16 04:00:00,893 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 850 transitions. Word has length 97 [2022-10-16 04:00:00,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:00,894 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 850 transitions. [2022-10-16 04:00:00,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:00,894 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 850 transitions. [2022-10-16 04:00:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:00:00,895 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:00,895 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] [2022-10-16 04:00:00,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 04:00:00,895 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:00,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:00,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1097943369, now seen corresponding path program 1 times [2022-10-16 04:00:00,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:00,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734400128] [2022-10-16 04:00:00,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:00,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:01,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:01,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734400128] [2022-10-16 04:00:01,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734400128] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:01,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:01,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:00:01,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294627653] [2022-10-16 04:00:01,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:01,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:00:01,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:01,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:00:01,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:00:01,381 INFO L87 Difference]: Start difference. First operand 671 states and 850 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:04,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:04,322 INFO L93 Difference]: Finished difference Result 1586 states and 2132 transitions. [2022-10-16 04:00:04,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:00:04,322 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:04,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:04,325 INFO L225 Difference]: With dead ends: 1586 [2022-10-16 04:00:04,325 INFO L226 Difference]: Without dead ends: 1586 [2022-10-16 04:00:04,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:00:04,326 INFO L413 NwaCegarLoop]: 730 mSDtfsCounter, 7112 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 2477 mSolverCounterSat, 745 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7112 SdHoareTripleChecker+Valid, 3222 SdHoareTripleChecker+Invalid, 3222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 745 IncrementalHoareTripleChecker+Valid, 2477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:04,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7112 Valid, 3222 Invalid, 3222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [745 Valid, 2477 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:00:04,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2022-10-16 04:00:04,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 675. [2022-10-16 04:00:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 653 states have (on average 1.3078101071975499) internal successors, (854), 674 states have internal predecessors, (854), 0 states have call successors, (0), 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 04:00:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 854 transitions. [2022-10-16 04:00:04,335 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 854 transitions. Word has length 97 [2022-10-16 04:00:04,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:04,335 INFO L495 AbstractCegarLoop]: Abstraction has 675 states and 854 transitions. [2022-10-16 04:00:04,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 854 transitions. [2022-10-16 04:00:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:00:04,336 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:04,336 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] [2022-10-16 04:00:04,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 04:00:04,336 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:04,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:04,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1794930710, now seen corresponding path program 1 times [2022-10-16 04:00:04,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:04,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213805830] [2022-10-16 04:00:04,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:04,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:04,621 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 04:00:04,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:04,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213805830] [2022-10-16 04:00:04,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213805830] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:04,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:04,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:04,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024481825] [2022-10-16 04:00:04,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:04,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:04,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:04,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:04,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:04,625 INFO L87 Difference]: Start difference. First operand 675 states and 854 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:06,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:06,391 INFO L93 Difference]: Finished difference Result 1097 states and 1414 transitions. [2022-10-16 04:00:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:06,391 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:06,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:06,393 INFO L225 Difference]: With dead ends: 1097 [2022-10-16 04:00:06,393 INFO L226 Difference]: Without dead ends: 1097 [2022-10-16 04:00:06,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:06,394 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 3637 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 2379 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 3095 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 2379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:06,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3637 Valid, 3095 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 2379 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 04:00:06,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-10-16 04:00:06,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 675. [2022-10-16 04:00:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 653 states have (on average 1.3062787136294027) internal successors, (853), 674 states have internal predecessors, (853), 0 states have call successors, (0), 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 04:00:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 853 transitions. [2022-10-16 04:00:06,406 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 853 transitions. Word has length 97 [2022-10-16 04:00:06,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:06,407 INFO L495 AbstractCegarLoop]: Abstraction has 675 states and 853 transitions. [2022-10-16 04:00:06,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 853 transitions. [2022-10-16 04:00:06,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:00:06,408 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:06,409 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] [2022-10-16 04:00:06,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 04:00:06,409 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:06,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:06,410 INFO L85 PathProgramCache]: Analyzing trace with hash 529690250, now seen corresponding path program 1 times [2022-10-16 04:00:06,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:06,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117132962] [2022-10-16 04:00:06,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:06,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:06,939 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 04:00:06,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:06,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117132962] [2022-10-16 04:00:06,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117132962] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:06,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:06,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:00:06,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374916844] [2022-10-16 04:00:06,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:06,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:00:06,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:06,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:00:06,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:00:06,942 INFO L87 Difference]: Start difference. First operand 675 states and 853 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:10,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:10,003 INFO L93 Difference]: Finished difference Result 1466 states and 1950 transitions. [2022-10-16 04:00:10,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:00:10,004 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:10,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:10,006 INFO L225 Difference]: With dead ends: 1466 [2022-10-16 04:00:10,006 INFO L226 Difference]: Without dead ends: 1466 [2022-10-16 04:00:10,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:00:10,007 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 5878 mSDsluCounter, 2497 mSDsCounter, 0 mSdLazyCounter, 2571 mSolverCounterSat, 835 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5878 SdHoareTripleChecker+Valid, 3116 SdHoareTripleChecker+Invalid, 3406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 835 IncrementalHoareTripleChecker+Valid, 2571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:10,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5878 Valid, 3116 Invalid, 3406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [835 Valid, 2571 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:00:10,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2022-10-16 04:00:10,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 679. [2022-10-16 04:00:10,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 657 states have (on average 1.30441400304414) internal successors, (857), 678 states have internal predecessors, (857), 0 states have call successors, (0), 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 04:00:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 857 transitions. [2022-10-16 04:00:10,018 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 857 transitions. Word has length 97 [2022-10-16 04:00:10,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:10,018 INFO L495 AbstractCegarLoop]: Abstraction has 679 states and 857 transitions. [2022-10-16 04:00:10,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 857 transitions. [2022-10-16 04:00:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:00:10,020 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:10,020 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] [2022-10-16 04:00:10,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 04:00:10,021 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:10,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:10,021 INFO L85 PathProgramCache]: Analyzing trace with hash -340300117, now seen corresponding path program 1 times [2022-10-16 04:00:10,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:10,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790177868] [2022-10-16 04:00:10,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:10,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:10,462 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 04:00:10,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:10,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790177868] [2022-10-16 04:00:10,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790177868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:10,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:10,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:00:10,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376317155] [2022-10-16 04:00:10,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:10,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:00:10,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:10,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:00:10,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:00:10,466 INFO L87 Difference]: Start difference. First operand 679 states and 857 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:13,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:13,398 INFO L93 Difference]: Finished difference Result 1581 states and 2125 transitions. [2022-10-16 04:00:13,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:00:13,399 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:13,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:13,401 INFO L225 Difference]: With dead ends: 1581 [2022-10-16 04:00:13,402 INFO L226 Difference]: Without dead ends: 1581 [2022-10-16 04:00:13,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:00:13,402 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 8168 mSDsluCounter, 2309 mSDsCounter, 0 mSdLazyCounter, 2332 mSolverCounterSat, 778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8168 SdHoareTripleChecker+Valid, 3006 SdHoareTripleChecker+Invalid, 3110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 2332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:13,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8168 Valid, 3006 Invalid, 3110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [778 Valid, 2332 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:00:13,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2022-10-16 04:00:13,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 683. [2022-10-16 04:00:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 661 states have (on average 1.302571860816944) internal successors, (861), 682 states have internal predecessors, (861), 0 states have call successors, (0), 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 04:00:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 861 transitions. [2022-10-16 04:00:13,414 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 861 transitions. Word has length 97 [2022-10-16 04:00:13,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:13,415 INFO L495 AbstractCegarLoop]: Abstraction has 683 states and 861 transitions. [2022-10-16 04:00:13,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 861 transitions. [2022-10-16 04:00:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:00:13,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:13,417 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] [2022-10-16 04:00:13,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 04:00:13,417 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:13,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:13,418 INFO L85 PathProgramCache]: Analyzing trace with hash 67880146, now seen corresponding path program 1 times [2022-10-16 04:00:13,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:13,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223632823] [2022-10-16 04:00:13,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:13,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:13,765 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 04:00:13,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:13,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223632823] [2022-10-16 04:00:13,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223632823] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:13,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:13,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:13,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913371507] [2022-10-16 04:00:13,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:13,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:13,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:13,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:13,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:13,768 INFO L87 Difference]: Start difference. First operand 683 states and 861 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:15,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:15,503 INFO L93 Difference]: Finished difference Result 1101 states and 1416 transitions. [2022-10-16 04:00:15,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:15,504 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:15,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:15,505 INFO L225 Difference]: With dead ends: 1101 [2022-10-16 04:00:15,506 INFO L226 Difference]: Without dead ends: 1101 [2022-10-16 04:00:15,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:15,507 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 3621 mSDsluCounter, 2521 mSDsCounter, 0 mSdLazyCounter, 2365 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3621 SdHoareTripleChecker+Valid, 3144 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 2365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:15,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3621 Valid, 3144 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 2365 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 04:00:15,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-10-16 04:00:15,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 683. [2022-10-16 04:00:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 661 states have (on average 1.3010590015128594) internal successors, (860), 682 states have internal predecessors, (860), 0 states have call successors, (0), 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 04:00:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 860 transitions. [2022-10-16 04:00:15,516 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 860 transitions. Word has length 97 [2022-10-16 04:00:15,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:15,516 INFO L495 AbstractCegarLoop]: Abstraction has 683 states and 860 transitions. [2022-10-16 04:00:15,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 860 transitions. [2022-10-16 04:00:15,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:00:15,517 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:15,517 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] [2022-10-16 04:00:15,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 04:00:15,518 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:15,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:15,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2055269860, now seen corresponding path program 1 times [2022-10-16 04:00:15,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:15,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189095545] [2022-10-16 04:00:15,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:15,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:15,938 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 04:00:15,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:15,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189095545] [2022-10-16 04:00:15,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189095545] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:15,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:15,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:00:15,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595877977] [2022-10-16 04:00:15,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:15,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:00:15,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:15,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:00:15,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:00:15,940 INFO L87 Difference]: Start difference. First operand 683 states and 860 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:18,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:18,854 INFO L93 Difference]: Finished difference Result 1465 states and 1947 transitions. [2022-10-16 04:00:18,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:00:18,855 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:18,856 INFO L225 Difference]: With dead ends: 1465 [2022-10-16 04:00:18,857 INFO L226 Difference]: Without dead ends: 1465 [2022-10-16 04:00:18,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:00:18,857 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 5917 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 2170 mSolverCounterSat, 833 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5917 SdHoareTripleChecker+Valid, 2691 SdHoareTripleChecker+Invalid, 3003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 833 IncrementalHoareTripleChecker+Valid, 2170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:18,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5917 Valid, 2691 Invalid, 3003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [833 Valid, 2170 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:00:18,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2022-10-16 04:00:18,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 687. [2022-10-16 04:00:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 665 states have (on average 1.299248120300752) internal successors, (864), 686 states have internal predecessors, (864), 0 states have call successors, (0), 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 04:00:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 864 transitions. [2022-10-16 04:00:18,873 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 864 transitions. Word has length 97 [2022-10-16 04:00:18,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:18,874 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 864 transitions. [2022-10-16 04:00:18,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:18,874 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 864 transitions. [2022-10-16 04:00:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:00:18,876 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:18,876 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] [2022-10-16 04:00:18,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 04:00:18,876 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:18,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:18,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1434790026, now seen corresponding path program 1 times [2022-10-16 04:00:18,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:18,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360170790] [2022-10-16 04:00:18,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:18,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:19,237 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 04:00:19,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:19,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360170790] [2022-10-16 04:00:19,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360170790] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:19,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:19,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:19,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351481451] [2022-10-16 04:00:19,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:19,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:19,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:19,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:19,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:19,240 INFO L87 Difference]: Start difference. First operand 687 states and 864 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:20,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:20,948 INFO L93 Difference]: Finished difference Result 1101 states and 1414 transitions. [2022-10-16 04:00:20,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:20,950 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:20,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:20,951 INFO L225 Difference]: With dead ends: 1101 [2022-10-16 04:00:20,952 INFO L226 Difference]: Without dead ends: 1101 [2022-10-16 04:00:20,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:20,953 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 3727 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3727 SdHoareTripleChecker+Valid, 2881 SdHoareTripleChecker+Invalid, 2358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 2174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:20,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3727 Valid, 2881 Invalid, 2358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 2174 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 04:00:20,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-10-16 04:00:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 687. [2022-10-16 04:00:20,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 665 states have (on average 1.2977443609022556) internal successors, (863), 686 states have internal predecessors, (863), 0 states have call successors, (0), 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 04:00:20,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 863 transitions. [2022-10-16 04:00:20,964 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 863 transitions. Word has length 97 [2022-10-16 04:00:20,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:20,965 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 863 transitions. [2022-10-16 04:00:20,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 863 transitions. [2022-10-16 04:00:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:00:20,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:20,966 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] [2022-10-16 04:00:20,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 04:00:20,967 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:20,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:20,967 INFO L85 PathProgramCache]: Analyzing trace with hash 240215847, now seen corresponding path program 1 times [2022-10-16 04:00:20,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:20,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642283395] [2022-10-16 04:00:20,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:20,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:21,431 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 04:00:21,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:21,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642283395] [2022-10-16 04:00:21,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642283395] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:21,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:21,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:00:21,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401397370] [2022-10-16 04:00:21,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:21,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:00:21,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:21,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:00:21,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:00:21,434 INFO L87 Difference]: Start difference. First operand 687 states and 863 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:24,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:24,610 INFO L93 Difference]: Finished difference Result 1589 states and 2127 transitions. [2022-10-16 04:00:24,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:00:24,610 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:24,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:24,612 INFO L225 Difference]: With dead ends: 1589 [2022-10-16 04:00:24,612 INFO L226 Difference]: Without dead ends: 1589 [2022-10-16 04:00:24,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:00:24,613 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 7150 mSDsluCounter, 3090 mSDsCounter, 0 mSdLazyCounter, 2931 mSolverCounterSat, 754 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7150 SdHoareTripleChecker+Valid, 3785 SdHoareTripleChecker+Invalid, 3685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 754 IncrementalHoareTripleChecker+Valid, 2931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:24,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7150 Valid, 3785 Invalid, 3685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [754 Valid, 2931 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:00:24,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-10-16 04:00:24,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 691. [2022-10-16 04:00:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 669 states have (on average 1.295964125560538) internal successors, (867), 690 states have internal predecessors, (867), 0 states have call successors, (0), 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 04:00:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 867 transitions. [2022-10-16 04:00:24,622 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 867 transitions. Word has length 97 [2022-10-16 04:00:24,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:24,622 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 867 transitions. [2022-10-16 04:00:24,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 867 transitions. [2022-10-16 04:00:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:00:24,624 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:24,624 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] [2022-10-16 04:00:24,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-10-16 04:00:24,625 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash -786095950, now seen corresponding path program 1 times [2022-10-16 04:00:24,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:24,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286621563] [2022-10-16 04:00:24,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:24,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:25,071 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 04:00:25,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:25,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286621563] [2022-10-16 04:00:25,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286621563] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:25,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:25,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:00:25,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457966132] [2022-10-16 04:00:25,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:25,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:00:25,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:25,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:00:25,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:00:25,073 INFO L87 Difference]: Start difference. First operand 691 states and 867 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:28,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:28,169 INFO L93 Difference]: Finished difference Result 1471 states and 1951 transitions. [2022-10-16 04:00:28,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:00:28,169 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:28,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:28,171 INFO L225 Difference]: With dead ends: 1471 [2022-10-16 04:00:28,171 INFO L226 Difference]: Without dead ends: 1471 [2022-10-16 04:00:28,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:00:28,172 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 6988 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 2657 mSolverCounterSat, 992 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6988 SdHoareTripleChecker+Valid, 3277 SdHoareTripleChecker+Invalid, 3649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 992 IncrementalHoareTripleChecker+Valid, 2657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:28,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6988 Valid, 3277 Invalid, 3649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [992 Valid, 2657 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:00:28,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2022-10-16 04:00:28,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 695. [2022-10-16 04:00:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 673 states have (on average 1.2942050520059436) internal successors, (871), 694 states have internal predecessors, (871), 0 states have call successors, (0), 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 04:00:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 871 transitions. [2022-10-16 04:00:28,181 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 871 transitions. Word has length 97 [2022-10-16 04:00:28,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:28,181 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 871 transitions. [2022-10-16 04:00:28,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 871 transitions. [2022-10-16 04:00:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:00:28,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:28,183 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] [2022-10-16 04:00:28,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 04:00:28,183 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:28,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:28,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1852246538, now seen corresponding path program 1 times [2022-10-16 04:00:28,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:28,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358618816] [2022-10-16 04:00:28,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:28,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:28,473 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 04:00:28,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:28,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358618816] [2022-10-16 04:00:28,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358618816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:28,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:28,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:28,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289751997] [2022-10-16 04:00:28,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:28,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:28,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:28,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:28,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:28,476 INFO L87 Difference]: Start difference. First operand 695 states and 871 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:30,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:30,158 INFO L93 Difference]: Finished difference Result 1105 states and 1416 transitions. [2022-10-16 04:00:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:30,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 04:00:30,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:30,161 INFO L225 Difference]: With dead ends: 1105 [2022-10-16 04:00:30,161 INFO L226 Difference]: Without dead ends: 1105 [2022-10-16 04:00:30,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:30,162 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 3724 mSDsluCounter, 2319 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3724 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 2348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:30,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3724 Valid, 2874 Invalid, 2348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 04:00:30,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-10-16 04:00:30,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 695. [2022-10-16 04:00:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 673 states have (on average 1.2927191679049035) internal successors, (870), 694 states have internal predecessors, (870), 0 states have call successors, (0), 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 04:00:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 870 transitions. [2022-10-16 04:00:30,173 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 870 transitions. Word has length 97 [2022-10-16 04:00:30,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:30,174 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 870 transitions. [2022-10-16 04:00:30,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 04:00:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 870 transitions. [2022-10-16 04:00:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:30,175 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:30,175 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] [2022-10-16 04:00:30,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-10-16 04:00:30,176 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:30,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:30,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1391256008, now seen corresponding path program 1 times [2022-10-16 04:00:30,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:30,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369467685] [2022-10-16 04:00:30,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:30,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:30,421 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 04:00:30,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:30,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369467685] [2022-10-16 04:00:30,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369467685] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:30,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:30,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:30,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403039130] [2022-10-16 04:00:30,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:30,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:30,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:30,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:30,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:30,424 INFO L87 Difference]: Start difference. First operand 695 states and 870 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:31,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:31,813 INFO L93 Difference]: Finished difference Result 1105 states and 1415 transitions. [2022-10-16 04:00:31,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:31,813 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:31,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:31,815 INFO L225 Difference]: With dead ends: 1105 [2022-10-16 04:00:31,815 INFO L226 Difference]: Without dead ends: 1105 [2022-10-16 04:00:31,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:31,816 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 4387 mSDsluCounter, 1810 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4387 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:31,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4387 Valid, 2430 Invalid, 2118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 1884 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:31,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-10-16 04:00:31,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 691. [2022-10-16 04:00:31,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 669 states have (on average 1.2929745889387145) internal successors, (865), 690 states have internal predecessors, (865), 0 states have call successors, (0), 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 04:00:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 865 transitions. [2022-10-16 04:00:31,824 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 865 transitions. Word has length 98 [2022-10-16 04:00:31,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:31,825 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 865 transitions. [2022-10-16 04:00:31,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 865 transitions. [2022-10-16 04:00:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:31,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:31,827 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] [2022-10-16 04:00:31,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-10-16 04:00:31,827 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:31,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2004213255, now seen corresponding path program 1 times [2022-10-16 04:00:31,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:31,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989135703] [2022-10-16 04:00:31,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:31,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:32,126 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 04:00:32,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:32,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989135703] [2022-10-16 04:00:32,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989135703] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:32,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:32,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:32,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281195815] [2022-10-16 04:00:32,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:32,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:32,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:32,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:32,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:32,128 INFO L87 Difference]: Start difference. First operand 691 states and 865 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:33,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:33,482 INFO L93 Difference]: Finished difference Result 1133 states and 1459 transitions. [2022-10-16 04:00:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:33,482 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:33,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:33,484 INFO L225 Difference]: With dead ends: 1133 [2022-10-16 04:00:33,484 INFO L226 Difference]: Without dead ends: 1133 [2022-10-16 04:00:33,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:33,491 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 3279 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3279 SdHoareTripleChecker+Valid, 2675 SdHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:33,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3279 Valid, 2675 Invalid, 2071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:33,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2022-10-16 04:00:33,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 687. [2022-10-16 04:00:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 665 states have (on average 1.2932330827067668) internal successors, (860), 686 states have internal predecessors, (860), 0 states have call successors, (0), 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 04:00:33,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 860 transitions. [2022-10-16 04:00:33,500 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 860 transitions. Word has length 98 [2022-10-16 04:00:33,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:33,500 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 860 transitions. [2022-10-16 04:00:33,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:33,500 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 860 transitions. [2022-10-16 04:00:33,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:33,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:33,501 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] [2022-10-16 04:00:33,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-10-16 04:00:33,502 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:33,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:33,502 INFO L85 PathProgramCache]: Analyzing trace with hash 223226210, now seen corresponding path program 1 times [2022-10-16 04:00:33,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:33,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437592239] [2022-10-16 04:00:33,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:33,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:33,730 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 04:00:33,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:33,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437592239] [2022-10-16 04:00:33,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437592239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:33,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:33,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:33,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866474016] [2022-10-16 04:00:33,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:33,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:33,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:33,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:33,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:33,733 INFO L87 Difference]: Start difference. First operand 687 states and 860 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:35,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:35,267 INFO L93 Difference]: Finished difference Result 1193 states and 1532 transitions. [2022-10-16 04:00:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:35,268 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:35,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:35,269 INFO L225 Difference]: With dead ends: 1193 [2022-10-16 04:00:35,269 INFO L226 Difference]: Without dead ends: 1193 [2022-10-16 04:00:35,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:35,270 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 1967 mSDsluCounter, 2339 mSDsCounter, 0 mSdLazyCounter, 2262 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 2296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:35,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 3123 Invalid, 2296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 04:00:35,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2022-10-16 04:00:35,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 683. [2022-10-16 04:00:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 661 states have (on average 1.2934947049924357) internal successors, (855), 682 states have internal predecessors, (855), 0 states have call successors, (0), 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 04:00:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 855 transitions. [2022-10-16 04:00:35,279 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 855 transitions. Word has length 98 [2022-10-16 04:00:35,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:35,279 INFO L495 AbstractCegarLoop]: Abstraction has 683 states and 855 transitions. [2022-10-16 04:00:35,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 855 transitions. [2022-10-16 04:00:35,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:35,281 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:35,281 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] [2022-10-16 04:00:35,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-10-16 04:00:35,281 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:35,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:35,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1972960612, now seen corresponding path program 1 times [2022-10-16 04:00:35,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:35,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074703116] [2022-10-16 04:00:35,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:35,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:35,495 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 04:00:35,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:35,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074703116] [2022-10-16 04:00:35,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074703116] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:35,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:35,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:35,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052917034] [2022-10-16 04:00:35,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:35,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:35,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:35,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:35,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:35,498 INFO L87 Difference]: Start difference. First operand 683 states and 855 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:36,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:36,917 INFO L93 Difference]: Finished difference Result 1129 states and 1453 transitions. [2022-10-16 04:00:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:36,918 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:36,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:36,920 INFO L225 Difference]: With dead ends: 1129 [2022-10-16 04:00:36,920 INFO L226 Difference]: Without dead ends: 1129 [2022-10-16 04:00:36,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:36,921 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 3414 mSDsluCounter, 2175 mSDsCounter, 0 mSdLazyCounter, 2106 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3414 SdHoareTripleChecker+Valid, 2888 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:36,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3414 Valid, 2888 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2106 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:36,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2022-10-16 04:00:36,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 679. [2022-10-16 04:00:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 657 states have (on average 1.2937595129375952) internal successors, (850), 678 states have internal predecessors, (850), 0 states have call successors, (0), 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 04:00:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 850 transitions. [2022-10-16 04:00:36,932 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 850 transitions. Word has length 98 [2022-10-16 04:00:36,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:36,932 INFO L495 AbstractCegarLoop]: Abstraction has 679 states and 850 transitions. [2022-10-16 04:00:36,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 850 transitions. [2022-10-16 04:00:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:36,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:36,934 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] [2022-10-16 04:00:36,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-10-16 04:00:36,934 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:36,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:36,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1538428317, now seen corresponding path program 1 times [2022-10-16 04:00:36,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:36,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147980925] [2022-10-16 04:00:36,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:36,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:37,241 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 04:00:37,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:37,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147980925] [2022-10-16 04:00:37,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147980925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:37,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:37,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:37,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58490525] [2022-10-16 04:00:37,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:37,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:37,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:37,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:37,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:37,243 INFO L87 Difference]: Start difference. First operand 679 states and 850 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:38,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:38,693 INFO L93 Difference]: Finished difference Result 1093 states and 1399 transitions. [2022-10-16 04:00:38,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:38,693 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:38,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:38,695 INFO L225 Difference]: With dead ends: 1093 [2022-10-16 04:00:38,695 INFO L226 Difference]: Without dead ends: 1093 [2022-10-16 04:00:38,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:38,697 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 3055 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3055 SdHoareTripleChecker+Valid, 2565 SdHoareTripleChecker+Invalid, 2132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:38,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3055 Valid, 2565 Invalid, 2132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:38,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2022-10-16 04:00:38,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 675. [2022-10-16 04:00:38,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 653 states have (on average 1.2940275650842266) internal successors, (845), 674 states have internal predecessors, (845), 0 states have call successors, (0), 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 04:00:38,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 845 transitions. [2022-10-16 04:00:38,708 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 845 transitions. Word has length 98 [2022-10-16 04:00:38,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:38,708 INFO L495 AbstractCegarLoop]: Abstraction has 675 states and 845 transitions. [2022-10-16 04:00:38,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:38,708 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 845 transitions. [2022-10-16 04:00:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:38,710 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:38,710 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] [2022-10-16 04:00:38,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-10-16 04:00:38,710 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:38,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:38,711 INFO L85 PathProgramCache]: Analyzing trace with hash -440198232, now seen corresponding path program 1 times [2022-10-16 04:00:38,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:38,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387866086] [2022-10-16 04:00:38,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:38,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:38,973 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 04:00:38,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:38,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387866086] [2022-10-16 04:00:38,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387866086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:38,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:38,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:38,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735971524] [2022-10-16 04:00:38,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:38,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:38,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:38,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:38,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:38,975 INFO L87 Difference]: Start difference. First operand 675 states and 845 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:40,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:40,431 INFO L93 Difference]: Finished difference Result 1093 states and 1398 transitions. [2022-10-16 04:00:40,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:40,432 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:40,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:40,433 INFO L225 Difference]: With dead ends: 1093 [2022-10-16 04:00:40,434 INFO L226 Difference]: Without dead ends: 1093 [2022-10-16 04:00:40,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:40,434 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 3022 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3022 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 2132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:40,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3022 Valid, 2583 Invalid, 2132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:40,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2022-10-16 04:00:40,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 671. [2022-10-16 04:00:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 649 states have (on average 1.2942989214175655) internal successors, (840), 670 states have internal predecessors, (840), 0 states have call successors, (0), 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 04:00:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 840 transitions. [2022-10-16 04:00:40,443 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 840 transitions. Word has length 98 [2022-10-16 04:00:40,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:40,443 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 840 transitions. [2022-10-16 04:00:40,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 840 transitions. [2022-10-16 04:00:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:40,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:40,444 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] [2022-10-16 04:00:40,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-10-16 04:00:40,444 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:40,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:40,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1339696265, now seen corresponding path program 1 times [2022-10-16 04:00:40,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:40,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093538126] [2022-10-16 04:00:40,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:40,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:40,645 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 04:00:40,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:40,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093538126] [2022-10-16 04:00:40,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093538126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:40,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:40,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:40,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076230423] [2022-10-16 04:00:40,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:40,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:40,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:40,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:40,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:40,647 INFO L87 Difference]: Start difference. First operand 671 states and 840 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:42,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:42,067 INFO L93 Difference]: Finished difference Result 1121 states and 1442 transitions. [2022-10-16 04:00:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:42,067 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:42,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:42,069 INFO L225 Difference]: With dead ends: 1121 [2022-10-16 04:00:42,069 INFO L226 Difference]: Without dead ends: 1121 [2022-10-16 04:00:42,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:42,070 INFO L413 NwaCegarLoop]: 725 mSDtfsCounter, 1988 mSDsluCounter, 2209 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 2934 SdHoareTripleChecker+Invalid, 2174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:42,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 2934 Invalid, 2174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:42,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-16 04:00:42,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 667. [2022-10-16 04:00:42,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 645 states have (on average 1.2945736434108528) internal successors, (835), 666 states have internal predecessors, (835), 0 states have call successors, (0), 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 04:00:42,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 835 transitions. [2022-10-16 04:00:42,077 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 835 transitions. Word has length 98 [2022-10-16 04:00:42,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:42,078 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 835 transitions. [2022-10-16 04:00:42,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:42,078 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 835 transitions. [2022-10-16 04:00:42,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:42,079 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:42,079 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] [2022-10-16 04:00:42,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-10-16 04:00:42,079 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:42,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:42,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1736566412, now seen corresponding path program 1 times [2022-10-16 04:00:42,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:42,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003120854] [2022-10-16 04:00:42,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:42,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:42,359 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 04:00:42,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:42,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003120854] [2022-10-16 04:00:42,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003120854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:42,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:42,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:42,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988185536] [2022-10-16 04:00:42,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:42,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:42,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:42,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:42,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:42,363 INFO L87 Difference]: Start difference. First operand 667 states and 835 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:43,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:43,792 INFO L93 Difference]: Finished difference Result 1121 states and 1441 transitions. [2022-10-16 04:00:43,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:43,797 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:43,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:43,799 INFO L225 Difference]: With dead ends: 1121 [2022-10-16 04:00:43,799 INFO L226 Difference]: Without dead ends: 1121 [2022-10-16 04:00:43,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:43,800 INFO L413 NwaCegarLoop]: 734 mSDtfsCounter, 1966 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 2980 SdHoareTripleChecker+Invalid, 2194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:43,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1966 Valid, 2980 Invalid, 2194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2136 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:43,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-16 04:00:43,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 663. [2022-10-16 04:00:43,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 641 states have (on average 1.2948517940717628) internal successors, (830), 662 states have internal predecessors, (830), 0 states have call successors, (0), 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 04:00:43,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 830 transitions. [2022-10-16 04:00:43,810 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 830 transitions. Word has length 98 [2022-10-16 04:00:43,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:43,810 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 830 transitions. [2022-10-16 04:00:43,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:43,810 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 830 transitions. [2022-10-16 04:00:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:43,811 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:43,811 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] [2022-10-16 04:00:43,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-10-16 04:00:43,811 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:43,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:43,812 INFO L85 PathProgramCache]: Analyzing trace with hash 952508426, now seen corresponding path program 1 times [2022-10-16 04:00:43,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:43,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533356679] [2022-10-16 04:00:43,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:43,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:44,041 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 04:00:44,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:44,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533356679] [2022-10-16 04:00:44,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533356679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:44,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:44,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:44,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701591015] [2022-10-16 04:00:44,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:44,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:44,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:44,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:44,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:44,044 INFO L87 Difference]: Start difference. First operand 663 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:45,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:45,494 INFO L93 Difference]: Finished difference Result 1085 states and 1387 transitions. [2022-10-16 04:00:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:45,494 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:45,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:45,496 INFO L225 Difference]: With dead ends: 1085 [2022-10-16 04:00:45,496 INFO L226 Difference]: Without dead ends: 1085 [2022-10-16 04:00:45,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:45,497 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 2037 mSDsluCounter, 2003 mSDsCounter, 0 mSdLazyCounter, 2008 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 2008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:45,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 2668 Invalid, 2118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 2008 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:45,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2022-10-16 04:00:45,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 659. [2022-10-16 04:00:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.2951334379905808) internal successors, (825), 658 states have internal predecessors, (825), 0 states have call successors, (0), 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 04:00:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 825 transitions. [2022-10-16 04:00:45,504 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 825 transitions. Word has length 98 [2022-10-16 04:00:45,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:45,505 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 825 transitions. [2022-10-16 04:00:45,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 825 transitions. [2022-10-16 04:00:45,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:45,506 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:45,506 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] [2022-10-16 04:00:45,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-10-16 04:00:45,506 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:45,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:45,507 INFO L85 PathProgramCache]: Analyzing trace with hash -785107352, now seen corresponding path program 1 times [2022-10-16 04:00:45,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:45,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729661718] [2022-10-16 04:00:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:45,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:45,773 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 04:00:45,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:45,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729661718] [2022-10-16 04:00:45,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729661718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:45,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:45,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:45,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492919736] [2022-10-16 04:00:45,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:45,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:45,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:45,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:45,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:45,775 INFO L87 Difference]: Start difference. First operand 659 states and 825 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:47,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:47,462 INFO L93 Difference]: Finished difference Result 1085 states and 1386 transitions. [2022-10-16 04:00:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:47,462 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:47,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:47,464 INFO L225 Difference]: With dead ends: 1085 [2022-10-16 04:00:47,464 INFO L226 Difference]: Without dead ends: 1085 [2022-10-16 04:00:47,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:47,465 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 3602 mSDsluCounter, 2472 mSDsCounter, 0 mSdLazyCounter, 2229 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3602 SdHoareTripleChecker+Valid, 3078 SdHoareTripleChecker+Invalid, 2409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 2229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:47,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3602 Valid, 3078 Invalid, 2409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 2229 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 04:00:47,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2022-10-16 04:00:47,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 659. [2022-10-16 04:00:47,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 637 states have (on average 1.293563579277865) internal successors, (824), 658 states have internal predecessors, (824), 0 states have call successors, (0), 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 04:00:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 824 transitions. [2022-10-16 04:00:47,476 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 824 transitions. Word has length 98 [2022-10-16 04:00:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:47,476 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 824 transitions. [2022-10-16 04:00:47,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 824 transitions. [2022-10-16 04:00:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:47,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:47,478 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] [2022-10-16 04:00:47,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-10-16 04:00:47,478 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:47,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:47,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1025638504, now seen corresponding path program 1 times [2022-10-16 04:00:47,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:47,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979643592] [2022-10-16 04:00:47,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:47,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:47,692 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 04:00:47,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:47,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979643592] [2022-10-16 04:00:47,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979643592] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:47,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:47,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:47,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960388592] [2022-10-16 04:00:47,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:47,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:47,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:47,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:47,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:47,695 INFO L87 Difference]: Start difference. First operand 659 states and 824 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:49,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:49,170 INFO L93 Difference]: Finished difference Result 1085 states and 1385 transitions. [2022-10-16 04:00:49,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:49,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:49,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:49,171 INFO L225 Difference]: With dead ends: 1085 [2022-10-16 04:00:49,171 INFO L226 Difference]: Without dead ends: 1085 [2022-10-16 04:00:49,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:49,172 INFO L413 NwaCegarLoop]: 671 mSDtfsCounter, 2928 mSDsluCounter, 2014 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2928 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 2161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:49,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2928 Valid, 2685 Invalid, 2161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 04:00:49,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2022-10-16 04:00:49,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 655. [2022-10-16 04:00:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.2938388625592416) internal successors, (819), 654 states have internal predecessors, (819), 0 states have call successors, (0), 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 04:00:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 819 transitions. [2022-10-16 04:00:49,182 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 819 transitions. Word has length 98 [2022-10-16 04:00:49,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:49,182 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 819 transitions. [2022-10-16 04:00:49,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 819 transitions. [2022-10-16 04:00:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:49,184 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:49,184 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] [2022-10-16 04:00:49,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-10-16 04:00:49,184 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:49,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:49,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1925136537, now seen corresponding path program 1 times [2022-10-16 04:00:49,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:49,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724526427] [2022-10-16 04:00:49,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:49,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:49,396 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 04:00:49,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:49,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724526427] [2022-10-16 04:00:49,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724526427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:49,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:49,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:49,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022651580] [2022-10-16 04:00:49,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:49,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:49,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:49,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:49,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:49,399 INFO L87 Difference]: Start difference. First operand 655 states and 819 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:50,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:50,767 INFO L93 Difference]: Finished difference Result 1113 states and 1429 transitions. [2022-10-16 04:00:50,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:50,767 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:50,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:50,768 INFO L225 Difference]: With dead ends: 1113 [2022-10-16 04:00:50,768 INFO L226 Difference]: Without dead ends: 1113 [2022-10-16 04:00:50,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:50,769 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 1945 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1945 SdHoareTripleChecker+Valid, 3018 SdHoareTripleChecker+Invalid, 2198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:50,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1945 Valid, 3018 Invalid, 2198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:50,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2022-10-16 04:00:50,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 651. [2022-10-16 04:00:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.2941176470588236) internal successors, (814), 650 states have internal predecessors, (814), 0 states have call successors, (0), 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 04:00:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 814 transitions. [2022-10-16 04:00:50,777 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 814 transitions. Word has length 98 [2022-10-16 04:00:50,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:50,777 INFO L495 AbstractCegarLoop]: Abstraction has 651 states and 814 transitions. [2022-10-16 04:00:50,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 814 transitions. [2022-10-16 04:00:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:50,778 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:50,778 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] [2022-10-16 04:00:50,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-10-16 04:00:50,779 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:50,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:50,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1897114906, now seen corresponding path program 1 times [2022-10-16 04:00:50,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:50,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851412097] [2022-10-16 04:00:50,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:50,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:51,197 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 04:00:51,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:51,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851412097] [2022-10-16 04:00:51,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851412097] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:51,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:51,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:51,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578575260] [2022-10-16 04:00:51,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:51,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:51,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:51,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:51,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:51,200 INFO L87 Difference]: Start difference. First operand 651 states and 814 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:52,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:52,893 INFO L93 Difference]: Finished difference Result 1081 states and 1379 transitions. [2022-10-16 04:00:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:52,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:52,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:52,895 INFO L225 Difference]: With dead ends: 1081 [2022-10-16 04:00:52,895 INFO L226 Difference]: Without dead ends: 1081 [2022-10-16 04:00:52,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:52,896 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 3570 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 2242 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3570 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 2242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:52,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3570 Valid, 3146 Invalid, 2421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 2242 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 04:00:52,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2022-10-16 04:00:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 651. [2022-10-16 04:00:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 629 states have (on average 1.2925278219395866) internal successors, (813), 650 states have internal predecessors, (813), 0 states have call successors, (0), 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 04:00:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 813 transitions. [2022-10-16 04:00:52,905 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 813 transitions. Word has length 98 [2022-10-16 04:00:52,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:52,905 INFO L495 AbstractCegarLoop]: Abstraction has 651 states and 813 transitions. [2022-10-16 04:00:52,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:52,905 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 813 transitions. [2022-10-16 04:00:52,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:52,906 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:52,906 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] [2022-10-16 04:00:52,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-10-16 04:00:52,907 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:52,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:52,907 INFO L85 PathProgramCache]: Analyzing trace with hash 997428961, now seen corresponding path program 1 times [2022-10-16 04:00:52,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:52,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447704547] [2022-10-16 04:00:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:52,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:53,215 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 04:00:53,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:53,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447704547] [2022-10-16 04:00:53,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447704547] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:53,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:53,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:53,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800497432] [2022-10-16 04:00:53,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:53,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:53,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:53,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:53,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:53,218 INFO L87 Difference]: Start difference. First operand 651 states and 813 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:54,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:54,656 INFO L93 Difference]: Finished difference Result 1081 states and 1378 transitions. [2022-10-16 04:00:54,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:54,656 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:54,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:54,658 INFO L225 Difference]: With dead ends: 1081 [2022-10-16 04:00:54,658 INFO L226 Difference]: Without dead ends: 1081 [2022-10-16 04:00:54,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:54,661 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 2002 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 2017 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 2738 SdHoareTripleChecker+Invalid, 2126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 2017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:54,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 2738 Invalid, 2126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 2017 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2022-10-16 04:00:54,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 647. [2022-10-16 04:00:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.2928) internal successors, (808), 646 states have internal predecessors, (808), 0 states have call successors, (0), 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 04:00:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 808 transitions. [2022-10-16 04:00:54,670 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 808 transitions. Word has length 98 [2022-10-16 04:00:54,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:54,670 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 808 transitions. [2022-10-16 04:00:54,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 808 transitions. [2022-10-16 04:00:54,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:54,671 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:54,671 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] [2022-10-16 04:00:54,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-10-16 04:00:54,671 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:54,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:54,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1735285257, now seen corresponding path program 1 times [2022-10-16 04:00:54,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:54,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651732222] [2022-10-16 04:00:54,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:54,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:54,873 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 04:00:54,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:54,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651732222] [2022-10-16 04:00:54,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651732222] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:54,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:54,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:54,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755939595] [2022-10-16 04:00:54,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:54,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:54,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:54,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:54,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:54,875 INFO L87 Difference]: Start difference. First operand 647 states and 808 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:56,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:56,297 INFO L93 Difference]: Finished difference Result 1109 states and 1422 transitions. [2022-10-16 04:00:56,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:56,297 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:56,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:56,299 INFO L225 Difference]: With dead ends: 1109 [2022-10-16 04:00:56,299 INFO L226 Difference]: Without dead ends: 1109 [2022-10-16 04:00:56,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:56,300 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 2792 mSDsluCounter, 2310 mSDsCounter, 0 mSdLazyCounter, 2153 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2792 SdHoareTripleChecker+Valid, 3062 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:56,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2792 Valid, 3062 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2153 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:56,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2022-10-16 04:00:56,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 643. [2022-10-16 04:00:56,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 621 states have (on average 1.2930756843800322) internal successors, (803), 642 states have internal predecessors, (803), 0 states have call successors, (0), 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 04:00:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 803 transitions. [2022-10-16 04:00:56,309 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 803 transitions. Word has length 98 [2022-10-16 04:00:56,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:56,309 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 803 transitions. [2022-10-16 04:00:56,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 803 transitions. [2022-10-16 04:00:56,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:56,310 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:56,310 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] [2022-10-16 04:00:56,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-10-16 04:00:56,310 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:56,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:56,311 INFO L85 PathProgramCache]: Analyzing trace with hash -670691083, now seen corresponding path program 1 times [2022-10-16 04:00:56,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:56,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046516691] [2022-10-16 04:00:56,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:56,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:56,516 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 04:00:56,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:56,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046516691] [2022-10-16 04:00:56,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046516691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:56,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:56,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:56,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171096419] [2022-10-16 04:00:56,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:56,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:56,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:56,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:56,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:56,519 INFO L87 Difference]: Start difference. First operand 643 states and 803 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:57,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:57,964 INFO L93 Difference]: Finished difference Result 1109 states and 1421 transitions. [2022-10-16 04:00:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:57,964 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:57,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:57,966 INFO L225 Difference]: With dead ends: 1109 [2022-10-16 04:00:57,966 INFO L226 Difference]: Without dead ends: 1109 [2022-10-16 04:00:57,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:57,966 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 2765 mSDsluCounter, 2328 mSDsCounter, 0 mSdLazyCounter, 2166 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2765 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 2252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:57,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2765 Valid, 3088 Invalid, 2252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2166 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:57,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2022-10-16 04:00:57,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 639. [2022-10-16 04:00:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 617 states have (on average 1.293354943273906) internal successors, (798), 638 states have internal predecessors, (798), 0 states have call successors, (0), 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 04:00:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 798 transitions. [2022-10-16 04:00:57,973 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 798 transitions. Word has length 98 [2022-10-16 04:00:57,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:57,973 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 798 transitions. [2022-10-16 04:00:57,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:57,974 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 798 transitions. [2022-10-16 04:00:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 04:00:57,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:57,975 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] [2022-10-16 04:00:57,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-10-16 04:00:57,975 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:57,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:57,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1454965543, now seen corresponding path program 1 times [2022-10-16 04:00:57,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:57,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063446570] [2022-10-16 04:00:57,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:57,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:58,232 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 04:00:58,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:58,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063446570] [2022-10-16 04:00:58,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063446570] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:58,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:58,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:58,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132556154] [2022-10-16 04:00:58,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:58,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:58,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:58,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:58,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:58,235 INFO L87 Difference]: Start difference. First operand 639 states and 798 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:59,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:59,713 INFO L93 Difference]: Finished difference Result 1073 states and 1367 transitions. [2022-10-16 04:00:59,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:59,713 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 04:00:59,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:59,715 INFO L225 Difference]: With dead ends: 1073 [2022-10-16 04:00:59,715 INFO L226 Difference]: Without dead ends: 1073 [2022-10-16 04:00:59,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:59,716 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 3671 mSDsluCounter, 2103 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3671 SdHoareTripleChecker+Valid, 2801 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 2039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:59,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3671 Valid, 2801 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 2039 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 04:00:59,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2022-10-16 04:00:59,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2022-10-16 04:00:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 613 states have (on average 1.2936378466557912) internal successors, (793), 634 states have internal predecessors, (793), 0 states have call successors, (0), 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 04:00:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 793 transitions. [2022-10-16 04:00:59,724 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 793 transitions. Word has length 98 [2022-10-16 04:00:59,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:59,724 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 793 transitions. [2022-10-16 04:00:59,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 793 transitions. [2022-10-16 04:00:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 04:00:59,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:59,725 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] [2022-10-16 04:00:59,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-10-16 04:00:59,725 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:00:59,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:59,726 INFO L85 PathProgramCache]: Analyzing trace with hash -472216631, now seen corresponding path program 1 times [2022-10-16 04:00:59,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:59,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178380746] [2022-10-16 04:00:59,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:59,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:00,747 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 04:01:00,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:00,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178380746] [2022-10-16 04:01:00,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178380746] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:00,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:00,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 04:01:00,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060483393] [2022-10-16 04:01:00,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:00,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 04:01:00,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:00,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 04:01:00,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 04:01:00,750 INFO L87 Difference]: Start difference. First operand 635 states and 793 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:03,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:03,072 INFO L93 Difference]: Finished difference Result 1918 states and 2513 transitions. [2022-10-16 04:01:03,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 04:01:03,073 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 04:01:03,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:03,074 INFO L225 Difference]: With dead ends: 1918 [2022-10-16 04:01:03,074 INFO L226 Difference]: Without dead ends: 1918 [2022-10-16 04:01:03,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-10-16 04:01:03,075 INFO L413 NwaCegarLoop]: 1702 mSDtfsCounter, 4805 mSDsluCounter, 12157 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4805 SdHoareTripleChecker+Valid, 13859 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:03,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4805 Valid, 13859 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:01:03,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2022-10-16 04:01:03,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 611. [2022-10-16 04:01:03,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 590 states have (on average 1.2915254237288136) internal successors, (762), 610 states have internal predecessors, (762), 0 states have call successors, (0), 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 04:01:03,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 762 transitions. [2022-10-16 04:01:03,089 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 762 transitions. Word has length 99 [2022-10-16 04:01:03,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:03,089 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 762 transitions. [2022-10-16 04:01:03,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 762 transitions. [2022-10-16 04:01:03,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 04:01:03,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:03,091 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] [2022-10-16 04:01:03,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-10-16 04:01:03,091 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:01:03,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:03,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1755253690, now seen corresponding path program 1 times [2022-10-16 04:01:03,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:03,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6122493] [2022-10-16 04:01:03,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:03,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:04,305 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 04:01:04,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:04,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6122493] [2022-10-16 04:01:04,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6122493] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:04,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:04,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-10-16 04:01:04,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721363413] [2022-10-16 04:01:04,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:04,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 04:01:04,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:04,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 04:01:04,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:01:04,308 INFO L87 Difference]: Start difference. First operand 611 states and 762 transitions. Second operand has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:07,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:07,382 INFO L93 Difference]: Finished difference Result 1488 states and 1924 transitions. [2022-10-16 04:01:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 04:01:07,382 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 04:01:07,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:07,384 INFO L225 Difference]: With dead ends: 1488 [2022-10-16 04:01:07,385 INFO L226 Difference]: Without dead ends: 1488 [2022-10-16 04:01:07,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=275, Invalid=985, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 04:01:07,385 INFO L413 NwaCegarLoop]: 1537 mSDtfsCounter, 4859 mSDsluCounter, 12832 mSDsCounter, 0 mSdLazyCounter, 2504 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4859 SdHoareTripleChecker+Valid, 14369 SdHoareTripleChecker+Invalid, 2582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 2504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:07,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4859 Valid, 14369 Invalid, 2582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 2504 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 04:01:07,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1488 states. [2022-10-16 04:01:07,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1488 to 611. [2022-10-16 04:01:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 590 states have (on average 1.2898305084745763) internal successors, (761), 610 states have internal predecessors, (761), 0 states have call successors, (0), 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 04:01:07,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 761 transitions. [2022-10-16 04:01:07,405 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 761 transitions. Word has length 99 [2022-10-16 04:01:07,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:07,405 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 761 transitions. [2022-10-16 04:01:07,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:07,405 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 761 transitions. [2022-10-16 04:01:07,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 04:01:07,406 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:07,406 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] [2022-10-16 04:01:07,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-10-16 04:01:07,406 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:01:07,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:07,407 INFO L85 PathProgramCache]: Analyzing trace with hash 134385077, now seen corresponding path program 1 times [2022-10-16 04:01:07,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:07,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19459566] [2022-10-16 04:01:07,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:07,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:08,041 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 04:01:08,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:08,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19459566] [2022-10-16 04:01:08,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19459566] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:08,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:08,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 04:01:08,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966788994] [2022-10-16 04:01:08,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:08,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:08,043 INFO L87 Difference]: Start difference. First operand 611 states and 761 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:10,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:10,208 INFO L93 Difference]: Finished difference Result 888 states and 1098 transitions. [2022-10-16 04:01:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 04:01:10,209 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 04:01:10,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:10,210 INFO L225 Difference]: With dead ends: 888 [2022-10-16 04:01:10,210 INFO L226 Difference]: Without dead ends: 888 [2022-10-16 04:01:10,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:10,211 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 3056 mSDsluCounter, 3967 mSDsCounter, 0 mSdLazyCounter, 2223 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 4713 SdHoareTripleChecker+Invalid, 2399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:10,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3056 Valid, 4713 Invalid, 2399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2223 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 04:01:10,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2022-10-16 04:01:10,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 607. [2022-10-16 04:01:10,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 587 states have (on average 1.2879045996592844) internal successors, (756), 606 states have internal predecessors, (756), 0 states have call successors, (0), 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 04:01:10,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 756 transitions. [2022-10-16 04:01:10,218 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 756 transitions. Word has length 99 [2022-10-16 04:01:10,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:10,218 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 756 transitions. [2022-10-16 04:01:10,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 756 transitions. [2022-10-16 04:01:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 04:01:10,219 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:10,219 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] [2022-10-16 04:01:10,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-10-16 04:01:10,220 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:01:10,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:10,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1796136237, now seen corresponding path program 1 times [2022-10-16 04:01:10,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:10,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326181223] [2022-10-16 04:01:10,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:10,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:11,016 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 04:01:11,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:11,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326181223] [2022-10-16 04:01:11,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326181223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:11,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:11,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 04:01:11,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793686891] [2022-10-16 04:01:11,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:11,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 04:01:11,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:11,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 04:01:11,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 04:01:11,018 INFO L87 Difference]: Start difference. First operand 607 states and 756 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:13,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:13,229 INFO L93 Difference]: Finished difference Result 1801 states and 2371 transitions. [2022-10-16 04:01:13,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 04:01:13,229 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 04:01:13,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:13,231 INFO L225 Difference]: With dead ends: 1801 [2022-10-16 04:01:13,232 INFO L226 Difference]: Without dead ends: 1801 [2022-10-16 04:01:13,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-10-16 04:01:13,232 INFO L413 NwaCegarLoop]: 1681 mSDtfsCounter, 4294 mSDsluCounter, 10636 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4294 SdHoareTripleChecker+Valid, 12317 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:13,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4294 Valid, 12317 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 04:01:13,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2022-10-16 04:01:13,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 574. [2022-10-16 04:01:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 557 states have (on average 1.2854578096947935) internal successors, (716), 573 states have internal predecessors, (716), 0 states have call successors, (0), 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 04:01:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 716 transitions. [2022-10-16 04:01:13,242 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 716 transitions. Word has length 99 [2022-10-16 04:01:13,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:13,242 INFO L495 AbstractCegarLoop]: Abstraction has 574 states and 716 transitions. [2022-10-16 04:01:13,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:13,243 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 716 transitions. [2022-10-16 04:01:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 04:01:13,244 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:13,244 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] [2022-10-16 04:01:13,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-10-16 04:01:13,244 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:01:13,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:13,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1243357058, now seen corresponding path program 1 times [2022-10-16 04:01:13,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:13,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851295889] [2022-10-16 04:01:13,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:13,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:14,027 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 04:01:14,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:14,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851295889] [2022-10-16 04:01:14,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851295889] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:14,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:14,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 04:01:14,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590629121] [2022-10-16 04:01:14,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:14,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 04:01:14,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:14,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 04:01:14,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 04:01:14,029 INFO L87 Difference]: Start difference. First operand 574 states and 716 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:16,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:16,086 INFO L93 Difference]: Finished difference Result 1783 states and 2346 transitions. [2022-10-16 04:01:16,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 04:01:16,086 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 04:01:16,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:16,089 INFO L225 Difference]: With dead ends: 1783 [2022-10-16 04:01:16,089 INFO L226 Difference]: Without dead ends: 1783 [2022-10-16 04:01:16,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-10-16 04:01:16,090 INFO L413 NwaCegarLoop]: 1539 mSDtfsCounter, 3569 mSDsluCounter, 9280 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3569 SdHoareTripleChecker+Valid, 10819 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:16,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3569 Valid, 10819 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 04:01:16,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2022-10-16 04:01:16,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 556. [2022-10-16 04:01:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 539 states have (on average 1.2820037105751392) internal successors, (691), 555 states have internal predecessors, (691), 0 states have call successors, (0), 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 04:01:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 691 transitions. [2022-10-16 04:01:16,101 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 691 transitions. Word has length 99 [2022-10-16 04:01:16,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:16,101 INFO L495 AbstractCegarLoop]: Abstraction has 556 states and 691 transitions. [2022-10-16 04:01:16,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 691 transitions. [2022-10-16 04:01:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 04:01:16,109 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:16,109 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] [2022-10-16 04:01:16,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-10-16 04:01:16,110 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:01:16,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:16,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1918631710, now seen corresponding path program 1 times [2022-10-16 04:01:16,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:16,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950601618] [2022-10-16 04:01:16,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:16,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:16,607 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 04:01:16,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:16,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950601618] [2022-10-16 04:01:16,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950601618] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:16,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:16,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 04:01:16,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672970903] [2022-10-16 04:01:16,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:16,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:16,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:16,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:16,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:16,609 INFO L87 Difference]: Start difference. First operand 556 states and 691 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:17,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:17,573 INFO L93 Difference]: Finished difference Result 1097 states and 1438 transitions. [2022-10-16 04:01:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:01:17,573 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 04:01:17,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:17,575 INFO L225 Difference]: With dead ends: 1097 [2022-10-16 04:01:17,575 INFO L226 Difference]: Without dead ends: 1097 [2022-10-16 04:01:17,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 04:01:17,576 INFO L413 NwaCegarLoop]: 1247 mSDtfsCounter, 3113 mSDsluCounter, 4421 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 5668 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:17,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3113 Valid, 5668 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 04:01:17,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-10-16 04:01:17,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 457. [2022-10-16 04:01:17,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 445 states have (on average 1.2853932584269663) internal successors, (572), 456 states have internal predecessors, (572), 0 states have call successors, (0), 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 04:01:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 572 transitions. [2022-10-16 04:01:17,584 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 572 transitions. Word has length 99 [2022-10-16 04:01:17,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:17,584 INFO L495 AbstractCegarLoop]: Abstraction has 457 states and 572 transitions. [2022-10-16 04:01:17,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 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 04:01:17,584 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 572 transitions. [2022-10-16 04:01:17,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 04:01:17,585 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:17,585 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] [2022-10-16 04:01:17,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-10-16 04:01:17,586 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 04:01:17,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:17,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1407077202, now seen corresponding path program 1 times [2022-10-16 04:01:17,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:17,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997028782] [2022-10-16 04:01:17,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:17,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:18,232 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 04:01:18,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:18,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997028782] [2022-10-16 04:01:18,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997028782] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:18,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:18,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 04:01:18,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314719928] [2022-10-16 04:01:18,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:18,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 04:01:18,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:18,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 04:01:18,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 04:01:18,234 INFO L87 Difference]: Start difference. First operand 457 states and 572 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)