/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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:00:12,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:00:12,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:00:12,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 04:00:12,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 04:00:12,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 04:00:12,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 04:00:12,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 04:00:12,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 04:00:12,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 04:00:12,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 04:00:12,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 04:00:12,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 04:00:12,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 04:00:12,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 04:00:12,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 04:00:12,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 04:00:12,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 04:00:12,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 04:00:12,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 04:00:12,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 04:00:12,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 04:00:12,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 04:00:12,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 04:00:12,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 04:00:12,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:00:12,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:00:12,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:00:12,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 04:00:12,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:00:12,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:00:12,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:00:12,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:00:12,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:00:12,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:00:12,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:00:12,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:00:12,870 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:00:12,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:00:12,871 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:00:12,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:00:12,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:00:12,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:00:12,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:00:12,872 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:00:12,872 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:00:12,872 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:00:12,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:00:12,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:00:12,873 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:00:12,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:00:12,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:00:12,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:00:12,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:00:12,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:00:12,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:00:12,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:00:12,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:00:12,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:00:12,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:00:13,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:00:13,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:00:13,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:00:13,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:00:13,348 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:00:13,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-16 04:00:13,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12edb4b9f/7849160aae804224b8b20fc2f51795cf/FLAGc3ab09085 [2022-10-16 04:00:14,581 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:00:14,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-16 04:00:14,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12edb4b9f/7849160aae804224b8b20fc2f51795cf/FLAGc3ab09085 [2022-10-16 04:00:14,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12edb4b9f/7849160aae804224b8b20fc2f51795cf [2022-10-16 04:00:14,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:00:14,935 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:00:14,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:00:14,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:00:14,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:00:14,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:00:14" (1/1) ... [2022-10-16 04:00:14,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b12150d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:14, skipping insertion in model container [2022-10-16 04:00:14,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:00:14" (1/1) ... [2022-10-16 04:00:14,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:00:15,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:00:15,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17602,17615] [2022-10-16 04:00:16,062 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22899,22912] [2022-10-16 04:00:16,078 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24256,24269] [2022-10-16 04:00:16,091 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25064,25077] [2022-10-16 04:00:16,107 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26792,26805] [2022-10-16 04:00:16,114 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27600,27613] [2022-10-16 04:00:16,124 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28779,28792] [2022-10-16 04:00:16,142 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31519,31532] [2022-10-16 04:00:16,150 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32330,32343] [2022-10-16 04:00:16,159 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33512,33525] [2022-10-16 04:00:16,181 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35703,35716] [2022-10-16 04:00:16,226 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39963,39976] [2022-10-16 04:00:16,236 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40774,40787] [2022-10-16 04:00:16,245 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41956,41969] [2022-10-16 04:00:16,260 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44147,44160] [2022-10-16 04:00:16,281 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47858,47871] [2022-10-16 04:00:16,318 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54605,54618] [2022-10-16 04:00:16,325 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55416,55429] [2022-10-16 04:00:16,333 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56559,56572] [2022-10-16 04:00:16,352 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58711,58724] [2022-10-16 04:00:16,406 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62628,62641] [2022-10-16 04:00:16,490 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69577,69590] [2022-10-16 04:00:16,567 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82313,82326] [2022-10-16 04:00:16,574 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83124,83137] [2022-10-16 04:00:16,583 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84306,84319] [2022-10-16 04:00:16,598 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86497,86510] [2022-10-16 04:00:16,621 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90208,90221] [2022-10-16 04:00:16,654 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96406,96419] [2022-10-16 04:00:16,711 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[106997,107010] [2022-10-16 04:00:17,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:00:17,604 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:00:17,753 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17602,17615] [2022-10-16 04:00:17,801 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22899,22912] [2022-10-16 04:00:17,820 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24256,24269] [2022-10-16 04:00:17,834 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25064,25077] [2022-10-16 04:00:17,858 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26792,26805] [2022-10-16 04:00:17,872 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27600,27613] [2022-10-16 04:00:17,889 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28779,28792] [2022-10-16 04:00:17,925 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31519,31532] [2022-10-16 04:00:17,938 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32330,32343] [2022-10-16 04:00:17,956 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33512,33525] [2022-10-16 04:00:17,982 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35703,35716] [2022-10-16 04:00:18,001 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39963,39976] [2022-10-16 04:00:18,007 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40774,40787] [2022-10-16 04:00:18,013 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41956,41969] [2022-10-16 04:00:18,025 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44147,44160] [2022-10-16 04:00:18,041 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47858,47871] [2022-10-16 04:00:18,066 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54605,54618] [2022-10-16 04:00:18,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55416,55429] [2022-10-16 04:00:18,079 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56559,56572] [2022-10-16 04:00:18,089 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58711,58724] [2022-10-16 04:00:18,108 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62628,62641] [2022-10-16 04:00:18,187 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69577,69590] [2022-10-16 04:00:18,253 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82313,82326] [2022-10-16 04:00:18,259 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83124,83137] [2022-10-16 04:00:18,266 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84306,84319] [2022-10-16 04:00:18,277 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86497,86510] [2022-10-16 04:00:18,295 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90208,90221] [2022-10-16 04:00:18,322 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96406,96419] [2022-10-16 04:00:18,364 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.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[106997,107010] [2022-10-16 04:00:19,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:00:19,111 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:00:19,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19 WrapperNode [2022-10-16 04:00:19,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:00:19,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:00:19,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:00:19,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:00:19,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,492 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12601 [2022-10-16 04:00:19,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:00:19,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:00:19,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:00:19,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:00:19,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,832 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:00:19,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:00:19,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:00:19,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:00:19,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (1/1) ... [2022-10-16 04:00:19,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:00:19,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:00:19,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 04:00:19,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 04:00:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:00:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:00:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:00:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:00:20,490 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:00:20,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:00:26,109 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:00:26,147 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:00:26,148 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 04:00:26,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:00:26 BoogieIcfgContainer [2022-10-16 04:00:26,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:00:26,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:00:26,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:00:26,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:00:26,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:00:14" (1/3) ... [2022-10-16 04:00:26,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f60d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:00:26, skipping insertion in model container [2022-10-16 04:00:26,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:19" (2/3) ... [2022-10-16 04:00:26,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f60d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:00:26, skipping insertion in model container [2022-10-16 04:00:26,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:00:26" (3/3) ... [2022-10-16 04:00:26,165 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-16 04:00:26,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:00:26,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-10-16 04:00:26,271 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:00:26,279 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;@2d4d9190, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:00:26,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-10-16 04:00:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 2083 states, 2052 states have (on average 1.8611111111111112) internal successors, (3819), 2082 states have internal predecessors, (3819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 04:00:26,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:26,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 04:00:26,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:26,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:26,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1223365, now seen corresponding path program 1 times [2022-10-16 04:00:26,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:26,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090485372] [2022-10-16 04:00:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:26,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:26,757 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 04:00:26,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:26,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090485372] [2022-10-16 04:00:26,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090485372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:26,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:26,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 04:00:26,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735232085] [2022-10-16 04:00:26,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:26,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:00:26,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:26,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:00:26,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:00:26,820 INFO L87 Difference]: Start difference. First operand has 2083 states, 2052 states have (on average 1.8611111111111112) internal successors, (3819), 2082 states have internal predecessors, (3819), 0 states have call successors, (0), 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 04:00:27,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:27,015 INFO L93 Difference]: Finished difference Result 2082 states and 3789 transitions. [2022-10-16 04:00:27,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:00:27,017 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 04:00:27,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:27,057 INFO L225 Difference]: With dead ends: 2082 [2022-10-16 04:00:27,057 INFO L226 Difference]: Without dead ends: 2079 [2022-10-16 04:00:27,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:00:27,063 INFO L413 NwaCegarLoop]: 3788 mSDtfsCounter, 3786 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3786 SdHoareTripleChecker+Valid, 3788 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:27,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3786 Valid, 3788 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:00:27,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2022-10-16 04:00:27,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 2079. [2022-10-16 04:00:27,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2079 states, 2050 states have (on average 1.2770731707317073) internal successors, (2618), 2078 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2618 transitions. [2022-10-16 04:00:27,227 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2618 transitions. Word has length 4 [2022-10-16 04:00:27,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:27,227 INFO L495 AbstractCegarLoop]: Abstraction has 2079 states and 2618 transitions. [2022-10-16 04:00:27,228 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 04:00:27,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2618 transitions. [2022-10-16 04:00:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 04:00:27,249 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:27,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:27,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:00:27,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:27,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:27,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1477171740, now seen corresponding path program 1 times [2022-10-16 04:00:27,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:27,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621056514] [2022-10-16 04:00:27,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:27,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:27,777 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 04:00:27,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:27,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621056514] [2022-10-16 04:00:27,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621056514] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:27,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:27,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:27,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92256099] [2022-10-16 04:00:27,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:27,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:27,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:27,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:27,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:27,784 INFO L87 Difference]: Start difference. First operand 2079 states and 2618 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:29,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:29,111 INFO L93 Difference]: Finished difference Result 1570 states and 2044 transitions. [2022-10-16 04:00:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:29,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-16 04:00:29,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:29,120 INFO L225 Difference]: With dead ends: 1570 [2022-10-16 04:00:29,121 INFO L226 Difference]: Without dead ends: 1570 [2022-10-16 04:00:29,121 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 04:00:29,127 INFO L413 NwaCegarLoop]: 1203 mSDtfsCounter, 6063 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6063 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:29,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6063 Valid, 1207 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:00:29,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-10-16 04:00:29,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1570. [2022-10-16 04:00:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1541 states have (on average 1.3264114211550941) internal successors, (2044), 1569 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2044 transitions. [2022-10-16 04:00:29,175 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2044 transitions. Word has length 101 [2022-10-16 04:00:29,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:29,176 INFO L495 AbstractCegarLoop]: Abstraction has 1570 states and 2044 transitions. [2022-10-16 04:00:29,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2044 transitions. [2022-10-16 04:00:29,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 04:00:29,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:29,183 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, 1, 1, 1, 1, 1] [2022-10-16 04:00:29,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 04:00:29,184 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:29,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:29,186 INFO L85 PathProgramCache]: Analyzing trace with hash 951904542, now seen corresponding path program 1 times [2022-10-16 04:00:29,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:29,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486923660] [2022-10-16 04:00:29,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:29,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:29,637 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 04:00:29,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:29,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486923660] [2022-10-16 04:00:29,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486923660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:29,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:29,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:29,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097857347] [2022-10-16 04:00:29,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:29,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:29,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:29,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:29,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:29,646 INFO L87 Difference]: Start difference. First operand 1570 states and 2044 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:30,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:30,562 INFO L93 Difference]: Finished difference Result 1338 states and 1779 transitions. [2022-10-16 04:00:30,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:30,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-16 04:00:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:30,570 INFO L225 Difference]: With dead ends: 1338 [2022-10-16 04:00:30,570 INFO L226 Difference]: Without dead ends: 1338 [2022-10-16 04:00:30,571 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 04:00:30,572 INFO L413 NwaCegarLoop]: 974 mSDtfsCounter, 5182 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5182 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:30,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5182 Valid, 1010 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 04:00:30,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2022-10-16 04:00:30,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1338. [2022-10-16 04:00:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 1309 states have (on average 1.3590527119938884) internal successors, (1779), 1337 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1779 transitions. [2022-10-16 04:00:30,607 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1779 transitions. Word has length 102 [2022-10-16 04:00:30,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:30,608 INFO L495 AbstractCegarLoop]: Abstraction has 1338 states and 1779 transitions. [2022-10-16 04:00:30,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:30,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1779 transitions. [2022-10-16 04:00:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 04:00:30,612 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:30,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:30,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 04:00:30,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:30,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:30,614 INFO L85 PathProgramCache]: Analyzing trace with hash -873201018, now seen corresponding path program 1 times [2022-10-16 04:00:30,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:30,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476331136] [2022-10-16 04:00:30,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:30,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:30,952 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 04:00:30,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:30,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476331136] [2022-10-16 04:00:30,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476331136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:30,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:30,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:30,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169934068] [2022-10-16 04:00:30,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:30,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:30,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:30,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:30,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:30,956 INFO L87 Difference]: Start difference. First operand 1338 states and 1779 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:32,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:32,032 INFO L93 Difference]: Finished difference Result 1258 states and 1682 transitions. [2022-10-16 04:00:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:32,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-10-16 04:00:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:32,041 INFO L225 Difference]: With dead ends: 1258 [2022-10-16 04:00:32,041 INFO L226 Difference]: Without dead ends: 1258 [2022-10-16 04:00:32,042 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 04:00:32,048 INFO L413 NwaCegarLoop]: 722 mSDtfsCounter, 4729 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4729 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:32,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4729 Valid, 774 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 04:00:32,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2022-10-16 04:00:32,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1258. [2022-10-16 04:00:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1229 states have (on average 1.368592351505289) internal successors, (1682), 1257 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1682 transitions. [2022-10-16 04:00:32,088 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1682 transitions. Word has length 103 [2022-10-16 04:00:32,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:32,090 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 1682 transitions. [2022-10-16 04:00:32,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:32,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1682 transitions. [2022-10-16 04:00:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 04:00:32,099 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:32,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:32,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 04:00:32,100 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:32,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:32,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1608818971, now seen corresponding path program 1 times [2022-10-16 04:00:32,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:32,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085495957] [2022-10-16 04:00:32,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:32,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:32,403 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 04:00:32,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:32,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085495957] [2022-10-16 04:00:32,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085495957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:32,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:32,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:32,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883672526] [2022-10-16 04:00:32,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:32,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:32,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:32,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:32,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:32,410 INFO L87 Difference]: Start difference. First operand 1258 states and 1682 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:33,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:33,204 INFO L93 Difference]: Finished difference Result 1170 states and 1585 transitions. [2022-10-16 04:00:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:33,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-10-16 04:00:33,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:33,211 INFO L225 Difference]: With dead ends: 1170 [2022-10-16 04:00:33,211 INFO L226 Difference]: Without dead ends: 1170 [2022-10-16 04:00:33,211 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 04:00:33,212 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 4634 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4634 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:33,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4634 Valid, 890 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 04:00:33,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-10-16 04:00:33,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2022-10-16 04:00:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1141 states have (on average 1.3891323400525855) internal successors, (1585), 1169 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1585 transitions. [2022-10-16 04:00:33,241 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1585 transitions. Word has length 104 [2022-10-16 04:00:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:33,241 INFO L495 AbstractCegarLoop]: Abstraction has 1170 states and 1585 transitions. [2022-10-16 04:00:33,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1585 transitions. [2022-10-16 04:00:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 04:00:33,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:33,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:33,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 04:00:33,245 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:33,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:33,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1915103433, now seen corresponding path program 1 times [2022-10-16 04:00:33,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:33,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095908978] [2022-10-16 04:00:33,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:33,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:33,539 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 04:00:33,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:33,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095908978] [2022-10-16 04:00:33,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095908978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:33,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:33,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:33,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352104491] [2022-10-16 04:00:33,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:33,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:33,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:33,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:33,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:33,543 INFO L87 Difference]: Start difference. First operand 1170 states and 1585 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:34,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:34,285 INFO L93 Difference]: Finished difference Result 1117 states and 1527 transitions. [2022-10-16 04:00:34,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:34,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 04:00:34,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:34,292 INFO L225 Difference]: With dead ends: 1117 [2022-10-16 04:00:34,292 INFO L226 Difference]: Without dead ends: 1117 [2022-10-16 04:00:34,293 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 04:00:34,294 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 4498 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4498 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:34,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4498 Valid, 861 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 04:00:34,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2022-10-16 04:00:34,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1117. [2022-10-16 04:00:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1088 states have (on average 1.4034926470588236) internal successors, (1527), 1116 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:34,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1527 transitions. [2022-10-16 04:00:34,324 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1527 transitions. Word has length 105 [2022-10-16 04:00:34,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:34,324 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1527 transitions. [2022-10-16 04:00:34,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1527 transitions. [2022-10-16 04:00:34,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 04:00:34,328 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:34,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:34,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 04:00:34,329 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:34,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:34,329 INFO L85 PathProgramCache]: Analyzing trace with hash -578368317, now seen corresponding path program 1 times [2022-10-16 04:00:34,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:34,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239369178] [2022-10-16 04:00:34,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:34,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:34,571 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 04:00:34,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:34,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239369178] [2022-10-16 04:00:34,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239369178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:34,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:34,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:34,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386448653] [2022-10-16 04:00:34,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:34,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:34,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:34,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:34,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:34,574 INFO L87 Difference]: Start difference. First operand 1117 states and 1527 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:35,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:35,384 INFO L93 Difference]: Finished difference Result 1092 states and 1499 transitions. [2022-10-16 04:00:35,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:35,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-16 04:00:35,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:35,390 INFO L225 Difference]: With dead ends: 1092 [2022-10-16 04:00:35,391 INFO L226 Difference]: Without dead ends: 1092 [2022-10-16 04:00:35,391 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 04:00:35,392 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 4397 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4397 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:35,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4397 Valid, 848 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 04:00:35,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-10-16 04:00:35,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2022-10-16 04:00:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1063 states have (on average 1.4101599247412981) internal successors, (1499), 1091 states have internal predecessors, (1499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:35,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1499 transitions. [2022-10-16 04:00:35,421 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1499 transitions. Word has length 106 [2022-10-16 04:00:35,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:35,422 INFO L495 AbstractCegarLoop]: Abstraction has 1092 states and 1499 transitions. [2022-10-16 04:00:35,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:35,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1499 transitions. [2022-10-16 04:00:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 04:00:35,425 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:35,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:35,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 04:00:35,426 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:35,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:35,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1323333204, now seen corresponding path program 1 times [2022-10-16 04:00:35,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:35,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812239127] [2022-10-16 04:00:35,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:35,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:35,711 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 04:00:35,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:35,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812239127] [2022-10-16 04:00:35,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812239127] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:35,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:35,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:35,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154637145] [2022-10-16 04:00:35,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:35,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:35,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:35,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:35,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:35,714 INFO L87 Difference]: Start difference. First operand 1092 states and 1499 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:36,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:36,492 INFO L93 Difference]: Finished difference Result 1084 states and 1489 transitions. [2022-10-16 04:00:36,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:36,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 04:00:36,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:36,499 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 04:00:36,499 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 04:00:36,499 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 04:00:36,500 INFO L413 NwaCegarLoop]: 737 mSDtfsCounter, 4250 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4250 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:36,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4250 Valid, 781 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 04:00:36,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 04:00:36,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2022-10-16 04:00:36,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4113744075829384) internal successors, (1489), 1083 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:36,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1489 transitions. [2022-10-16 04:00:36,528 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1489 transitions. Word has length 107 [2022-10-16 04:00:36,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:36,529 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1489 transitions. [2022-10-16 04:00:36,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1489 transitions. [2022-10-16 04:00:36,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 04:00:36,533 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:36,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:36,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 04:00:36,533 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:36,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:36,534 INFO L85 PathProgramCache]: Analyzing trace with hash 65664385, now seen corresponding path program 1 times [2022-10-16 04:00:36,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:36,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507771022] [2022-10-16 04:00:36,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:36,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:37,397 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 04:00:37,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:37,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507771022] [2022-10-16 04:00:37,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507771022] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:37,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:37,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 04:00:37,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14382998] [2022-10-16 04:00:37,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:37,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 04:00:37,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:37,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 04:00:37,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-16 04:00:37,400 INFO L87 Difference]: Start difference. First operand 1084 states and 1489 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:40,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:40,185 INFO L93 Difference]: Finished difference Result 1830 states and 2522 transitions. [2022-10-16 04:00:40,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 04:00:40,185 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 04:00:40,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:40,195 INFO L225 Difference]: With dead ends: 1830 [2022-10-16 04:00:40,195 INFO L226 Difference]: Without dead ends: 1830 [2022-10-16 04:00:40,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-10-16 04:00:40,196 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 5295 mSDsluCounter, 4501 mSDsCounter, 0 mSdLazyCounter, 4439 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5295 SdHoareTripleChecker+Valid, 5379 SdHoareTripleChecker+Invalid, 4487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 4439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:40,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5295 Valid, 5379 Invalid, 4487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 4439 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 04:00:40,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2022-10-16 04:00:40,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1084. [2022-10-16 04:00:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.41042654028436) internal successors, (1488), 1083 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1488 transitions. [2022-10-16 04:00:40,230 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1488 transitions. Word has length 108 [2022-10-16 04:00:40,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:40,231 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1488 transitions. [2022-10-16 04:00:40,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:40,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1488 transitions. [2022-10-16 04:00:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 04:00:40,234 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:40,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:40,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 04:00:40,235 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:40,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:40,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1945173323, now seen corresponding path program 1 times [2022-10-16 04:00:40,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:40,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192724575] [2022-10-16 04:00:40,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:40,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:40,774 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 04:00:40,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:40,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192724575] [2022-10-16 04:00:40,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192724575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:40,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:40,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:00:40,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910674350] [2022-10-16 04:00:40,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:40,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 04:00:40,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:40,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 04:00:40,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:00:40,777 INFO L87 Difference]: Start difference. First operand 1084 states and 1488 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:42,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:42,350 INFO L93 Difference]: Finished difference Result 1411 states and 1843 transitions. [2022-10-16 04:00:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 04:00:42,350 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 04:00:42,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:42,358 INFO L225 Difference]: With dead ends: 1411 [2022-10-16 04:00:42,358 INFO L226 Difference]: Without dead ends: 1411 [2022-10-16 04:00:42,358 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 04:00:42,359 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 4741 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4741 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:42,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4741 Valid, 1666 Invalid, 2067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 04:00:42,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2022-10-16 04:00:42,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1084. [2022-10-16 04:00:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.409478672985782) internal successors, (1487), 1083 states have internal predecessors, (1487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1487 transitions. [2022-10-16 04:00:42,393 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1487 transitions. Word has length 108 [2022-10-16 04:00:42,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:42,394 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1487 transitions. [2022-10-16 04:00:42,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:42,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1487 transitions. [2022-10-16 04:00:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 04:00:42,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:42,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:42,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 04:00:42,398 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:42,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:42,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1618229889, now seen corresponding path program 1 times [2022-10-16 04:00:42,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:42,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066606474] [2022-10-16 04:00:42,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:42,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:42,949 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 04:00:42,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:42,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066606474] [2022-10-16 04:00:42,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066606474] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:42,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:42,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:42,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811907078] [2022-10-16 04:00:42,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:42,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:42,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:42,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:42,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:42,952 INFO L87 Difference]: Start difference. First operand 1084 states and 1487 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:45,124 INFO L93 Difference]: Finished difference Result 1834 states and 2523 transitions. [2022-10-16 04:00:45,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:45,124 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 04:00:45,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:45,133 INFO L225 Difference]: With dead ends: 1834 [2022-10-16 04:00:45,133 INFO L226 Difference]: Without dead ends: 1834 [2022-10-16 04:00:45,134 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 04:00:45,134 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 6599 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 3108 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6599 SdHoareTripleChecker+Valid, 3822 SdHoareTripleChecker+Invalid, 3167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 3108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:45,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6599 Valid, 3822 Invalid, 3167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 3108 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 04:00:45,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-10-16 04:00:45,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1084. [2022-10-16 04:00:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.408530805687204) internal successors, (1486), 1083 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:45,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1486 transitions. [2022-10-16 04:00:45,162 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1486 transitions. Word has length 108 [2022-10-16 04:00:45,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:45,163 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1486 transitions. [2022-10-16 04:00:45,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1486 transitions. [2022-10-16 04:00:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 04:00:45,166 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:45,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:45,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 04:00:45,166 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:45,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:45,167 INFO L85 PathProgramCache]: Analyzing trace with hash 180174419, now seen corresponding path program 1 times [2022-10-16 04:00:45,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:45,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485231096] [2022-10-16 04:00:45,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:45,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:45,241 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 04:00:45,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:45,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485231096] [2022-10-16 04:00:45,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485231096] 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 04:00:45,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525067523] [2022-10-16 04:00:45,775 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 04:00:45,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:45,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:45,776 INFO L87 Difference]: Start difference. First operand 1084 states and 1486 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:48,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:48,213 INFO L93 Difference]: Finished difference Result 1846 states and 2544 transitions. [2022-10-16 04:00:48,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:48,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 04:00:48,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:48,224 INFO L225 Difference]: With dead ends: 1846 [2022-10-16 04:00:48,225 INFO L226 Difference]: Without dead ends: 1846 [2022-10-16 04:00:48,225 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 04:00:48,226 INFO L413 NwaCegarLoop]: 1206 mSDtfsCounter, 7304 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 3976 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7304 SdHoareTripleChecker+Valid, 5004 SdHoareTripleChecker+Invalid, 4002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 3976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:48,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7304 Valid, 5004 Invalid, 4002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 3976 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:00:48,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-10-16 04:00:48,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1084. [2022-10-16 04:00:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4075829383886256) internal successors, (1485), 1083 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1485 transitions. [2022-10-16 04:00:48,261 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1485 transitions. Word has length 108 [2022-10-16 04:00:48,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:48,261 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1485 transitions. [2022-10-16 04:00:48,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1485 transitions. [2022-10-16 04:00:48,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:00:48,265 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:48,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:00:48,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 04:00:48,266 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:48,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:48,266 INFO L85 PathProgramCache]: Analyzing trace with hash -860352434, now seen corresponding path program 1 times [2022-10-16 04:00:48,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:48,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029554951] [2022-10-16 04:00:48,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:48,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:48,787 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 04:00:48,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:48,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029554951] [2022-10-16 04:00:48,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029554951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:48,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:48,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:48,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508540148] [2022-10-16 04:00:48,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:48,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:48,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:48,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:48,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:48,790 INFO L87 Difference]: Start difference. First operand 1084 states and 1485 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:51,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:51,056 INFO L93 Difference]: Finished difference Result 1818 states and 2494 transitions. [2022-10-16 04:00:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:51,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:00:51,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:51,068 INFO L225 Difference]: With dead ends: 1818 [2022-10-16 04:00:51,069 INFO L226 Difference]: Without dead ends: 1818 [2022-10-16 04:00:51,069 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 04:00:51,070 INFO L413 NwaCegarLoop]: 967 mSDtfsCounter, 4836 mSDsluCounter, 3171 mSDsCounter, 0 mSdLazyCounter, 3404 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4836 SdHoareTripleChecker+Valid, 4138 SdHoareTripleChecker+Invalid, 3487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 3404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:51,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4836 Valid, 4138 Invalid, 3487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 3404 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:00:51,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-10-16 04:00:51,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1084. [2022-10-16 04:00:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4066350710900475) internal successors, (1484), 1083 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1484 transitions. [2022-10-16 04:00:51,099 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1484 transitions. Word has length 110 [2022-10-16 04:00:51,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:51,100 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1484 transitions. [2022-10-16 04:00:51,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1484 transitions. [2022-10-16 04:00:51,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:00:51,103 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:51,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:51,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 04:00:51,103 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:51,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:51,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1432283502, now seen corresponding path program 1 times [2022-10-16 04:00:51,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:51,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754004488] [2022-10-16 04:00:51,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:51,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:51,588 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 04:00:51,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:51,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754004488] [2022-10-16 04:00:51,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754004488] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:51,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:51,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:51,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947025219] [2022-10-16 04:00:51,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:51,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:51,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:51,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:51,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:51,591 INFO L87 Difference]: Start difference. First operand 1084 states and 1484 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:53,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:53,614 INFO L93 Difference]: Finished difference Result 1834 states and 2519 transitions. [2022-10-16 04:00:53,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:53,614 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:00:53,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:53,625 INFO L225 Difference]: With dead ends: 1834 [2022-10-16 04:00:53,625 INFO L226 Difference]: Without dead ends: 1834 [2022-10-16 04:00:53,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:53,627 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 9522 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 2898 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9522 SdHoareTripleChecker+Valid, 3625 SdHoareTripleChecker+Invalid, 2981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 2898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:53,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9522 Valid, 3625 Invalid, 2981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 2898 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 04:00:53,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-10-16 04:00:53,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1084. [2022-10-16 04:00:53,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4056872037914692) internal successors, (1483), 1083 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1483 transitions. [2022-10-16 04:00:53,652 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1483 transitions. Word has length 110 [2022-10-16 04:00:53,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:53,653 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1483 transitions. [2022-10-16 04:00:53,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1483 transitions. [2022-10-16 04:00:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:00:53,656 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:53,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:53,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 04:00:53,657 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:53,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:53,657 INFO L85 PathProgramCache]: Analyzing trace with hash -983174856, now seen corresponding path program 1 times [2022-10-16 04:00:53,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:53,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507897323] [2022-10-16 04:00:53,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:53,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:54,130 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 04:00:54,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:54,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507897323] [2022-10-16 04:00:54,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507897323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:54,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:54,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:54,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766204849] [2022-10-16 04:00:54,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:54,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:54,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:54,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:54,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:54,133 INFO L87 Difference]: Start difference. First operand 1084 states and 1483 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:56,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:56,422 INFO L93 Difference]: Finished difference Result 1818 states and 2492 transitions. [2022-10-16 04:00:56,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:56,423 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:00:56,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:56,433 INFO L225 Difference]: With dead ends: 1818 [2022-10-16 04:00:56,433 INFO L226 Difference]: Without dead ends: 1818 [2022-10-16 04:00:56,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:56,434 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 3887 mSDsluCounter, 3321 mSDsCounter, 0 mSdLazyCounter, 3533 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3887 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 3597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 3533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:56,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3887 Valid, 4337 Invalid, 3597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 3533 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:00:56,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-10-16 04:00:56,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1084. [2022-10-16 04:00:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.404739336492891) internal successors, (1482), 1083 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1482 transitions. [2022-10-16 04:00:56,461 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1482 transitions. Word has length 110 [2022-10-16 04:00:56,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:56,461 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1482 transitions. [2022-10-16 04:00:56,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1482 transitions. [2022-10-16 04:00:56,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:00:56,464 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:56,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:56,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 04:00:56,465 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:56,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:56,465 INFO L85 PathProgramCache]: Analyzing trace with hash 237293966, now seen corresponding path program 1 times [2022-10-16 04:00:56,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:56,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676012278] [2022-10-16 04:00:56,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:56,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:57,139 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 04:00:57,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:57,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676012278] [2022-10-16 04:00:57,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676012278] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:57,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:57,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:57,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046497848] [2022-10-16 04:00:57,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:57,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:57,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:57,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:57,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:57,144 INFO L87 Difference]: Start difference. First operand 1084 states and 1482 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:59,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:59,436 INFO L93 Difference]: Finished difference Result 1834 states and 2516 transitions. [2022-10-16 04:00:59,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:59,437 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:00:59,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:59,445 INFO L225 Difference]: With dead ends: 1834 [2022-10-16 04:00:59,445 INFO L226 Difference]: Without dead ends: 1834 [2022-10-16 04:00:59,446 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 04:00:59,447 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 8733 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 3070 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8733 SdHoareTripleChecker+Valid, 3785 SdHoareTripleChecker+Invalid, 3148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 3070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:59,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8733 Valid, 3785 Invalid, 3148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 3070 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:00:59,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-10-16 04:00:59,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1084. [2022-10-16 04:00:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4037914691943127) internal successors, (1481), 1083 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:59,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1481 transitions. [2022-10-16 04:00:59,471 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1481 transitions. Word has length 110 [2022-10-16 04:00:59,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:59,472 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1481 transitions. [2022-10-16 04:00:59,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1481 transitions. [2022-10-16 04:00:59,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:00:59,475 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:59,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:59,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 04:00:59,476 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:59,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:59,476 INFO L85 PathProgramCache]: Analyzing trace with hash 2054601275, now seen corresponding path program 1 times [2022-10-16 04:00:59,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:59,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417253767] [2022-10-16 04:00:59,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:59,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:00,068 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 04:01:00,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:00,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417253767] [2022-10-16 04:01:00,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417253767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:00,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:00,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:00,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439928759] [2022-10-16 04:01:00,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:00,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:00,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:00,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:00,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:00,070 INFO L87 Difference]: Start difference. First operand 1084 states and 1481 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:02,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:02,510 INFO L93 Difference]: Finished difference Result 1842 states and 2535 transitions. [2022-10-16 04:01:02,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:02,510 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:01:02,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:02,520 INFO L225 Difference]: With dead ends: 1842 [2022-10-16 04:01:02,521 INFO L226 Difference]: Without dead ends: 1842 [2022-10-16 04:01:02,521 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 04:01:02,522 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 8010 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 3545 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8010 SdHoareTripleChecker+Valid, 4443 SdHoareTripleChecker+Invalid, 3590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 3545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:02,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8010 Valid, 4443 Invalid, 3590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 3545 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:01:02,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2022-10-16 04:01:02,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1084. [2022-10-16 04:01:02,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4028436018957346) internal successors, (1480), 1083 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:02,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1480 transitions. [2022-10-16 04:01:02,557 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1480 transitions. Word has length 110 [2022-10-16 04:01:02,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:02,557 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1480 transitions. [2022-10-16 04:01:02,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1480 transitions. [2022-10-16 04:01:02,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:02,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:02,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:02,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 04:01:02,561 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:02,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:02,561 INFO L85 PathProgramCache]: Analyzing trace with hash -114020363, now seen corresponding path program 1 times [2022-10-16 04:01:02,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:02,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831020653] [2022-10-16 04:01:02,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:02,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:03,116 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 04:01:03,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:03,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831020653] [2022-10-16 04:01:03,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831020653] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:03,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:03,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:03,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382289866] [2022-10-16 04:01:03,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:03,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:03,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:03,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:03,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:03,119 INFO L87 Difference]: Start difference. First operand 1084 states and 1480 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:05,563 INFO L93 Difference]: Finished difference Result 1842 states and 2534 transitions. [2022-10-16 04:01:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:01:05,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:05,571 INFO L225 Difference]: With dead ends: 1842 [2022-10-16 04:01:05,571 INFO L226 Difference]: Without dead ends: 1842 [2022-10-16 04:01:05,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:01:05,572 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 7923 mSDsluCounter, 3424 mSDsCounter, 0 mSdLazyCounter, 3547 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7923 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 3592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 3547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:05,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7923 Valid, 4500 Invalid, 3592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 3547 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:01:05,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2022-10-16 04:01:05,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1084. [2022-10-16 04:01:05,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4018957345971563) internal successors, (1479), 1083 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1479 transitions. [2022-10-16 04:01:05,596 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1479 transitions. Word has length 110 [2022-10-16 04:01:05,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:05,596 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1479 transitions. [2022-10-16 04:01:05,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1479 transitions. [2022-10-16 04:01:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:05,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:05,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:05,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 04:01:05,600 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:05,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:05,601 INFO L85 PathProgramCache]: Analyzing trace with hash 8802059, now seen corresponding path program 1 times [2022-10-16 04:01:05,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:05,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596881471] [2022-10-16 04:01:05,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:05,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:06,030 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 04:01:06,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:06,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596881471] [2022-10-16 04:01:06,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596881471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:06,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:06,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:06,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814130188] [2022-10-16 04:01:06,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:06,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:06,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:06,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:06,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:06,033 INFO L87 Difference]: Start difference. First operand 1084 states and 1479 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:08,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:08,414 INFO L93 Difference]: Finished difference Result 1818 states and 2487 transitions. [2022-10-16 04:01:08,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:08,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:01:08,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:08,420 INFO L225 Difference]: With dead ends: 1818 [2022-10-16 04:01:08,420 INFO L226 Difference]: Without dead ends: 1818 [2022-10-16 04:01:08,420 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 04:01:08,421 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 5750 mSDsluCounter, 3423 mSDsCounter, 0 mSdLazyCounter, 3639 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5750 SdHoareTripleChecker+Valid, 4473 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 3639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:08,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5750 Valid, 4473 Invalid, 3734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 3639 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:01:08,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-10-16 04:01:08,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1084. [2022-10-16 04:01:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4009478672985782) internal successors, (1478), 1083 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1478 transitions. [2022-10-16 04:01:08,445 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1478 transitions. Word has length 110 [2022-10-16 04:01:08,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:08,446 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1478 transitions. [2022-10-16 04:01:08,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1478 transitions. [2022-10-16 04:01:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:08,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:08,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:08,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 04:01:08,449 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:08,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:08,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1694810938, now seen corresponding path program 1 times [2022-10-16 04:01:08,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:08,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668615040] [2022-10-16 04:01:08,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:08,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:09,099 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 04:01:09,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:09,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668615040] [2022-10-16 04:01:09,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668615040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:09,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:09,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:01:09,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000710945] [2022-10-16 04:01:09,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:09,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:09,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:09,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:09,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:09,102 INFO L87 Difference]: Start difference. First operand 1084 states and 1478 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:11,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:11,977 INFO L93 Difference]: Finished difference Result 1886 states and 2572 transitions. [2022-10-16 04:01:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 04:01:11,978 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:01:11,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:11,982 INFO L225 Difference]: With dead ends: 1886 [2022-10-16 04:01:11,982 INFO L226 Difference]: Without dead ends: 1886 [2022-10-16 04:01:11,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 04:01:11,983 INFO L413 NwaCegarLoop]: 1026 mSDtfsCounter, 7869 mSDsluCounter, 4362 mSDsCounter, 0 mSdLazyCounter, 4428 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7869 SdHoareTripleChecker+Valid, 5388 SdHoareTripleChecker+Invalid, 4554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 4428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:11,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7869 Valid, 5388 Invalid, 4554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 4428 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 04:01:11,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2022-10-16 04:01:12,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1097. [2022-10-16 04:01:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 1068 states have (on average 1.401685393258427) internal successors, (1497), 1096 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:12,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1497 transitions. [2022-10-16 04:01:12,007 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1497 transitions. Word has length 110 [2022-10-16 04:01:12,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:12,007 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 1497 transitions. [2022-10-16 04:01:12,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:12,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1497 transitions. [2022-10-16 04:01:12,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:12,010 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:12,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:12,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 04:01:12,011 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:12,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:12,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1285965710, now seen corresponding path program 1 times [2022-10-16 04:01:12,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:12,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755927541] [2022-10-16 04:01:12,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:12,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:12,485 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 04:01:12,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:12,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755927541] [2022-10-16 04:01:12,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755927541] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:12,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:12,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:12,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866752886] [2022-10-16 04:01:12,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:12,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:12,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:12,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:12,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:12,488 INFO L87 Difference]: Start difference. First operand 1097 states and 1497 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:15,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:15,268 INFO L93 Difference]: Finished difference Result 1846 states and 2533 transitions. [2022-10-16 04:01:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:15,269 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:01:15,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:15,273 INFO L225 Difference]: With dead ends: 1846 [2022-10-16 04:01:15,273 INFO L226 Difference]: Without dead ends: 1846 [2022-10-16 04:01:15,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:15,274 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 5511 mSDsluCounter, 4396 mSDsCounter, 0 mSdLazyCounter, 4551 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5511 SdHoareTripleChecker+Valid, 5747 SdHoareTripleChecker+Invalid, 4571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 4551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:15,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5511 Valid, 5747 Invalid, 4571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 4551 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 04:01:15,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-10-16 04:01:15,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1084. [2022-10-16 04:01:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4) internal successors, (1477), 1083 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1477 transitions. [2022-10-16 04:01:15,300 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1477 transitions. Word has length 110 [2022-10-16 04:01:15,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:15,300 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1477 transitions. [2022-10-16 04:01:15,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1477 transitions. [2022-10-16 04:01:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:15,303 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:15,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:15,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 04:01:15,304 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:15,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:15,304 INFO L85 PathProgramCache]: Analyzing trace with hash -2035809722, now seen corresponding path program 1 times [2022-10-16 04:01:15,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:15,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601507361] [2022-10-16 04:01:15,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:15,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:15,814 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 04:01:15,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:15,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601507361] [2022-10-16 04:01:15,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601507361] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:15,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:15,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:15,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261143472] [2022-10-16 04:01:15,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:15,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:15,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:15,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:15,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:15,816 INFO L87 Difference]: Start difference. First operand 1084 states and 1477 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:18,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:18,220 INFO L93 Difference]: Finished difference Result 1834 states and 2511 transitions. [2022-10-16 04:01:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:18,223 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:18,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:18,227 INFO L225 Difference]: With dead ends: 1834 [2022-10-16 04:01:18,228 INFO L226 Difference]: Without dead ends: 1834 [2022-10-16 04:01:18,228 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 04:01:18,229 INFO L413 NwaCegarLoop]: 1002 mSDtfsCounter, 8102 mSDsluCounter, 3320 mSDsCounter, 0 mSdLazyCounter, 3487 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8102 SdHoareTripleChecker+Valid, 4322 SdHoareTripleChecker+Invalid, 3563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 3487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:18,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8102 Valid, 4322 Invalid, 3563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 3487 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:01:18,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-10-16 04:01:18,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1084. [2022-10-16 04:01:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.3990521327014218) internal successors, (1476), 1083 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1476 transitions. [2022-10-16 04:01:18,270 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1476 transitions. Word has length 112 [2022-10-16 04:01:18,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:18,271 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1476 transitions. [2022-10-16 04:01:18,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1476 transitions. [2022-10-16 04:01:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:18,274 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:18,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:18,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 04:01:18,274 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:18,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:18,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1790606885, now seen corresponding path program 1 times [2022-10-16 04:01:18,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:18,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184583744] [2022-10-16 04:01:18,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:18,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:18,699 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 04:01:18,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:18,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184583744] [2022-10-16 04:01:18,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184583744] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:18,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:18,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:18,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200138038] [2022-10-16 04:01:18,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:18,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:18,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:18,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:18,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:18,703 INFO L87 Difference]: Start difference. First operand 1084 states and 1476 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:20,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:20,973 INFO L93 Difference]: Finished difference Result 1786 states and 2429 transitions. [2022-10-16 04:01:20,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:20,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:20,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:20,977 INFO L225 Difference]: With dead ends: 1786 [2022-10-16 04:01:20,978 INFO L226 Difference]: Without dead ends: 1786 [2022-10-16 04:01:20,978 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 04:01:20,979 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 6698 mSDsluCounter, 3005 mSDsCounter, 0 mSdLazyCounter, 3269 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6698 SdHoareTripleChecker+Valid, 3930 SdHoareTripleChecker+Invalid, 3488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 3269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:20,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6698 Valid, 3930 Invalid, 3488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 3269 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:01:20,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2022-10-16 04:01:20,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1084. [2022-10-16 04:01:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.3981042654028435) internal successors, (1475), 1083 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:21,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1475 transitions. [2022-10-16 04:01:21,002 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1475 transitions. Word has length 112 [2022-10-16 04:01:21,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:21,002 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1475 transitions. [2022-10-16 04:01:21,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1475 transitions. [2022-10-16 04:01:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:21,006 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:21,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:21,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 04:01:21,006 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:21,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:21,007 INFO L85 PathProgramCache]: Analyzing trace with hash -403514612, now seen corresponding path program 1 times [2022-10-16 04:01:21,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:21,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000480352] [2022-10-16 04:01:21,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:21,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:21,412 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 04:01:21,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:21,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000480352] [2022-10-16 04:01:21,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000480352] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:21,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:21,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:21,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174320178] [2022-10-16 04:01:21,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:21,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:21,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:21,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:21,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:21,415 INFO L87 Difference]: Start difference. First operand 1084 states and 1475 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:23,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:23,997 INFO L93 Difference]: Finished difference Result 1842 states and 2526 transitions. [2022-10-16 04:01:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:23,998 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:23,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:24,002 INFO L225 Difference]: With dead ends: 1842 [2022-10-16 04:01:24,002 INFO L226 Difference]: Without dead ends: 1842 [2022-10-16 04:01:24,003 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 04:01:24,004 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 5163 mSDsluCounter, 3974 mSDsCounter, 0 mSdLazyCounter, 4166 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5163 SdHoareTripleChecker+Valid, 5325 SdHoareTripleChecker+Invalid, 4197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 4166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:24,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5163 Valid, 5325 Invalid, 4197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 4166 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:01:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2022-10-16 04:01:24,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1084. [2022-10-16 04:01:24,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.3971563981042654) internal successors, (1474), 1083 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1474 transitions. [2022-10-16 04:01:24,025 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1474 transitions. Word has length 112 [2022-10-16 04:01:24,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:24,025 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1474 transitions. [2022-10-16 04:01:24,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:24,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1474 transitions. [2022-10-16 04:01:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:24,029 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:24,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:24,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 04:01:24,029 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:24,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:24,030 INFO L85 PathProgramCache]: Analyzing trace with hash -582562824, now seen corresponding path program 1 times [2022-10-16 04:01:24,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:24,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422937280] [2022-10-16 04:01:24,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:24,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:24,426 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 04:01:24,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:24,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422937280] [2022-10-16 04:01:24,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422937280] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:24,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:24,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:24,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351302781] [2022-10-16 04:01:24,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:24,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:24,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:24,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:24,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:24,428 INFO L87 Difference]: Start difference. First operand 1084 states and 1474 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:26,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:26,650 INFO L93 Difference]: Finished difference Result 1786 states and 2426 transitions. [2022-10-16 04:01:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:26,651 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:26,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:26,655 INFO L225 Difference]: With dead ends: 1786 [2022-10-16 04:01:26,655 INFO L226 Difference]: Without dead ends: 1786 [2022-10-16 04:01:26,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:26,656 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 5966 mSDsluCounter, 3004 mSDsCounter, 0 mSdLazyCounter, 3258 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5966 SdHoareTripleChecker+Valid, 3929 SdHoareTripleChecker+Invalid, 3443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 3258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:26,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5966 Valid, 3929 Invalid, 3443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 3258 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:01:26,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2022-10-16 04:01:26,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1084. [2022-10-16 04:01:26,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.3962085308056873) internal successors, (1473), 1083 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1473 transitions. [2022-10-16 04:01:26,676 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1473 transitions. Word has length 112 [2022-10-16 04:01:26,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:26,677 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1473 transitions. [2022-10-16 04:01:26,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1473 transitions. [2022-10-16 04:01:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:26,680 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:26,680 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:26,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 04:01:26,681 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:26,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:26,681 INFO L85 PathProgramCache]: Analyzing trace with hash 977250997, now seen corresponding path program 1 times [2022-10-16 04:01:26,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:26,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972177436] [2022-10-16 04:01:26,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:26,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:27,067 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 04:01:27,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:27,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972177436] [2022-10-16 04:01:27,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972177436] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:27,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:27,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:27,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775915612] [2022-10-16 04:01:27,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:27,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:27,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:27,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:27,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:27,070 INFO L87 Difference]: Start difference. First operand 1084 states and 1473 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:29,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:29,560 INFO L93 Difference]: Finished difference Result 1818 states and 2480 transitions. [2022-10-16 04:01:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:29,560 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:29,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:29,564 INFO L225 Difference]: With dead ends: 1818 [2022-10-16 04:01:29,565 INFO L226 Difference]: Without dead ends: 1818 [2022-10-16 04:01:29,565 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 04:01:29,566 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 5326 mSDsluCounter, 3696 mSDsCounter, 0 mSdLazyCounter, 3926 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5326 SdHoareTripleChecker+Valid, 4836 SdHoareTripleChecker+Invalid, 4015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 3926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:29,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5326 Valid, 4836 Invalid, 4015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 3926 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:01:29,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-10-16 04:01:29,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1084. [2022-10-16 04:01:29,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.395260663507109) internal successors, (1472), 1083 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1472 transitions. [2022-10-16 04:01:29,588 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1472 transitions. Word has length 112 [2022-10-16 04:01:29,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:29,588 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1472 transitions. [2022-10-16 04:01:29,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:29,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1472 transitions. [2022-10-16 04:01:29,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:29,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:29,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:29,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 04:01:29,592 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:29,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:29,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1047979927, now seen corresponding path program 1 times [2022-10-16 04:01:29,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:29,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177419849] [2022-10-16 04:01:29,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:29,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:30,350 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 04:01:30,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:30,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177419849] [2022-10-16 04:01:30,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177419849] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:30,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:30,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:01:30,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107352928] [2022-10-16 04:01:30,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:30,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:30,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:30,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:30,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:30,352 INFO L87 Difference]: Start difference. First operand 1084 states and 1472 transitions. Second operand has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:34,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:34,828 INFO L93 Difference]: Finished difference Result 2426 states and 3360 transitions. [2022-10-16 04:01:34,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:01:34,828 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:34,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:34,834 INFO L225 Difference]: With dead ends: 2426 [2022-10-16 04:01:34,834 INFO L226 Difference]: Without dead ends: 2426 [2022-10-16 04:01:34,835 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 04:01:34,835 INFO L413 NwaCegarLoop]: 1221 mSDtfsCounter, 9829 mSDsluCounter, 4299 mSDsCounter, 0 mSdLazyCounter, 4522 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9829 SdHoareTripleChecker+Valid, 5520 SdHoareTripleChecker+Invalid, 5402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 4522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:34,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9829 Valid, 5520 Invalid, 5402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [880 Valid, 4522 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-16 04:01:34,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2022-10-16 04:01:34,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 1088. [2022-10-16 04:01:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.3937677053824362) internal successors, (1476), 1087 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:34,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1476 transitions. [2022-10-16 04:01:34,861 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1476 transitions. Word has length 112 [2022-10-16 04:01:34,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:34,861 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1476 transitions. [2022-10-16 04:01:34,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1476 transitions. [2022-10-16 04:01:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:34,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:34,864 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:34,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 04:01:34,865 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:34,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:34,865 INFO L85 PathProgramCache]: Analyzing trace with hash -619395701, now seen corresponding path program 1 times [2022-10-16 04:01:34,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:34,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595216233] [2022-10-16 04:01:34,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:34,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:35,388 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 04:01:35,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:35,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595216233] [2022-10-16 04:01:35,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595216233] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:35,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:35,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:35,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848258462] [2022-10-16 04:01:35,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:35,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:35,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:35,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:35,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:35,390 INFO L87 Difference]: Start difference. First operand 1088 states and 1476 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:38,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:38,305 INFO L93 Difference]: Finished difference Result 1818 states and 2478 transitions. [2022-10-16 04:01:38,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:38,306 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:38,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:38,312 INFO L225 Difference]: With dead ends: 1818 [2022-10-16 04:01:38,312 INFO L226 Difference]: Without dead ends: 1818 [2022-10-16 04:01:38,312 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 04:01:38,313 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 6657 mSDsluCounter, 4495 mSDsCounter, 0 mSdLazyCounter, 4420 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6657 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 4519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:38,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6657 Valid, 5560 Invalid, 4519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4420 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:01:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-10-16 04:01:38,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1088. [2022-10-16 04:01:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.392823418319169) internal successors, (1475), 1087 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:38,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1475 transitions. [2022-10-16 04:01:38,334 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1475 transitions. Word has length 112 [2022-10-16 04:01:38,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:38,334 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1475 transitions. [2022-10-16 04:01:38,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1475 transitions. [2022-10-16 04:01:38,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:38,337 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:38,337 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:38,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 04:01:38,338 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:38,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:38,338 INFO L85 PathProgramCache]: Analyzing trace with hash -353306795, now seen corresponding path program 1 times [2022-10-16 04:01:38,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:38,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514215439] [2022-10-16 04:01:38,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:38,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:38,824 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 04:01:38,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:38,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514215439] [2022-10-16 04:01:38,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514215439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:38,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:38,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:38,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235131498] [2022-10-16 04:01:38,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:38,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:38,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:38,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:38,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:38,828 INFO L87 Difference]: Start difference. First operand 1088 states and 1475 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:41,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:41,791 INFO L93 Difference]: Finished difference Result 1818 states and 2477 transitions. [2022-10-16 04:01:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:41,791 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:41,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:41,803 INFO L225 Difference]: With dead ends: 1818 [2022-10-16 04:01:41,803 INFO L226 Difference]: Without dead ends: 1818 [2022-10-16 04:01:41,804 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 04:01:41,813 INFO L413 NwaCegarLoop]: 1074 mSDtfsCounter, 6600 mSDsluCounter, 4506 mSDsCounter, 0 mSdLazyCounter, 4430 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6600 SdHoareTripleChecker+Valid, 5580 SdHoareTripleChecker+Invalid, 4529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:41,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6600 Valid, 5580 Invalid, 4529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4430 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 04:01:41,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-10-16 04:01:41,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1088. [2022-10-16 04:01:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.3918791312559018) internal successors, (1474), 1087 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1474 transitions. [2022-10-16 04:01:41,837 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1474 transitions. Word has length 112 [2022-10-16 04:01:41,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:41,837 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1474 transitions. [2022-10-16 04:01:41,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1474 transitions. [2022-10-16 04:01:41,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:41,841 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:41,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:41,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 04:01:41,841 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:41,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:41,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1134395, now seen corresponding path program 1 times [2022-10-16 04:01:41,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:41,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282692355] [2022-10-16 04:01:41,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:41,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:42,242 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 04:01:42,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:42,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282692355] [2022-10-16 04:01:42,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282692355] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:42,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:42,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:42,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362503038] [2022-10-16 04:01:42,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:42,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:42,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:42,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:42,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:42,244 INFO L87 Difference]: Start difference. First operand 1088 states and 1474 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:44,676 INFO L93 Difference]: Finished difference Result 1790 states and 2426 transitions. [2022-10-16 04:01:44,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:44,676 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:44,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:44,680 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:01:44,680 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:01:44,680 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 04:01:44,681 INFO L413 NwaCegarLoop]: 972 mSDtfsCounter, 7624 mSDsluCounter, 3150 mSDsCounter, 0 mSdLazyCounter, 3409 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7624 SdHoareTripleChecker+Valid, 4122 SdHoareTripleChecker+Invalid, 3649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 3409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:44,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7624 Valid, 4122 Invalid, 3649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 3409 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:01:44,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:01:44,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1088. [2022-10-16 04:01:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.3909348441926346) internal successors, (1473), 1087 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1473 transitions. [2022-10-16 04:01:44,703 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1473 transitions. Word has length 112 [2022-10-16 04:01:44,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:44,703 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1473 transitions. [2022-10-16 04:01:44,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1473 transitions. [2022-10-16 04:01:44,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:44,707 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:44,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:44,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 04:01:44,707 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:44,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:44,708 INFO L85 PathProgramCache]: Analyzing trace with hash -637203790, now seen corresponding path program 1 times [2022-10-16 04:01:44,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:44,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053917454] [2022-10-16 04:01:44,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:44,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:45,132 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 04:01:45,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:45,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053917454] [2022-10-16 04:01:45,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053917454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:45,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:45,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:45,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411865329] [2022-10-16 04:01:45,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:45,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:45,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:45,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:45,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:45,135 INFO L87 Difference]: Start difference. First operand 1088 states and 1473 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:47,723 INFO L93 Difference]: Finished difference Result 1838 states and 2504 transitions. [2022-10-16 04:01:47,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:47,724 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:47,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:47,727 INFO L225 Difference]: With dead ends: 1838 [2022-10-16 04:01:47,728 INFO L226 Difference]: Without dead ends: 1838 [2022-10-16 04:01:47,728 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 04:01:47,729 INFO L413 NwaCegarLoop]: 1106 mSDtfsCounter, 7739 mSDsluCounter, 3601 mSDsCounter, 0 mSdLazyCounter, 3686 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7739 SdHoareTripleChecker+Valid, 4707 SdHoareTripleChecker+Invalid, 3759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 3686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:47,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7739 Valid, 4707 Invalid, 3759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 3686 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:01:47,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-10-16 04:01:47,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1088. [2022-10-16 04:01:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.3899905571293674) internal successors, (1472), 1087 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1472 transitions. [2022-10-16 04:01:47,749 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1472 transitions. Word has length 112 [2022-10-16 04:01:47,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:47,749 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1472 transitions. [2022-10-16 04:01:47,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1472 transitions. [2022-10-16 04:01:47,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:47,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:47,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:47,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 04:01:47,754 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:47,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:47,754 INFO L85 PathProgramCache]: Analyzing trace with hash -469685084, now seen corresponding path program 1 times [2022-10-16 04:01:47,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:47,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454040538] [2022-10-16 04:01:47,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:47,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:48,109 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 04:01:48,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:48,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454040538] [2022-10-16 04:01:48,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454040538] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:48,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:48,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:48,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103537631] [2022-10-16 04:01:48,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:48,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:48,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:48,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:48,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:48,112 INFO L87 Difference]: Start difference. First operand 1088 states and 1472 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:50,482 INFO L93 Difference]: Finished difference Result 1790 states and 2423 transitions. [2022-10-16 04:01:50,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:50,483 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:50,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:50,486 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:01:50,486 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:01:50,486 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 04:01:50,488 INFO L413 NwaCegarLoop]: 972 mSDtfsCounter, 3887 mSDsluCounter, 3147 mSDsCounter, 0 mSdLazyCounter, 3404 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3887 SdHoareTripleChecker+Valid, 4119 SdHoareTripleChecker+Invalid, 3521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:50,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3887 Valid, 4119 Invalid, 3521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3404 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:01:50,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:01:50,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1088. [2022-10-16 04:01:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.3890462700661002) internal successors, (1471), 1087 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1471 transitions. [2022-10-16 04:01:50,514 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1471 transitions. Word has length 112 [2022-10-16 04:01:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:50,515 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1471 transitions. [2022-10-16 04:01:50,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1471 transitions. [2022-10-16 04:01:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:50,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:50,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:50,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 04:01:50,518 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:50,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:50,519 INFO L85 PathProgramCache]: Analyzing trace with hash -79489975, now seen corresponding path program 1 times [2022-10-16 04:01:50,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:50,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403799119] [2022-10-16 04:01:50,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:50,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:50,938 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 04:01:50,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:50,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403799119] [2022-10-16 04:01:50,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403799119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:50,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:50,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:50,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102219959] [2022-10-16 04:01:50,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:50,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:50,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:50,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:50,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:50,941 INFO L87 Difference]: Start difference. First operand 1088 states and 1471 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:53,616 INFO L93 Difference]: Finished difference Result 1846 states and 2521 transitions. [2022-10-16 04:01:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:53,616 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:53,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:53,622 INFO L225 Difference]: With dead ends: 1846 [2022-10-16 04:01:53,622 INFO L226 Difference]: Without dead ends: 1846 [2022-10-16 04:01:53,623 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 04:01:53,623 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 3691 mSDsluCounter, 3862 mSDsCounter, 0 mSdLazyCounter, 4047 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3691 SdHoareTripleChecker+Valid, 5213 SdHoareTripleChecker+Invalid, 4069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 4047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:53,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3691 Valid, 5213 Invalid, 4069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 4047 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:01:53,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-10-16 04:01:53,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1088. [2022-10-16 04:01:53,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.388101983002833) internal successors, (1470), 1087 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1470 transitions. [2022-10-16 04:01:53,646 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1470 transitions. Word has length 112 [2022-10-16 04:01:53,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:53,647 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1470 transitions. [2022-10-16 04:01:53,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1470 transitions. [2022-10-16 04:01:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:53,649 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:53,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:53,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 04:01:53,650 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:53,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:53,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1562562040, now seen corresponding path program 1 times [2022-10-16 04:01:53,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:53,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282255900] [2022-10-16 04:01:53,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:53,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:54,033 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 04:01:54,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:54,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282255900] [2022-10-16 04:01:54,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282255900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:54,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:54,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919789416] [2022-10-16 04:01:54,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:54,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:54,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:54,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:54,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:54,037 INFO L87 Difference]: Start difference. First operand 1088 states and 1470 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:56,427 INFO L93 Difference]: Finished difference Result 1790 states and 2420 transitions. [2022-10-16 04:01:56,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:56,428 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:56,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:56,430 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:01:56,430 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:01:56,430 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 04:01:56,431 INFO L413 NwaCegarLoop]: 972 mSDtfsCounter, 5760 mSDsluCounter, 3143 mSDsCounter, 0 mSdLazyCounter, 3395 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5760 SdHoareTripleChecker+Valid, 4115 SdHoareTripleChecker+Invalid, 3574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 3395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:56,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5760 Valid, 4115 Invalid, 3574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 3395 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:01:56,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:01:56,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1088. [2022-10-16 04:01:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.3871576959395657) internal successors, (1469), 1087 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1469 transitions. [2022-10-16 04:01:56,459 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1469 transitions. Word has length 112 [2022-10-16 04:01:56,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:56,459 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1469 transitions. [2022-10-16 04:01:56,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1469 transitions. [2022-10-16 04:01:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:56,462 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:56,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:56,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 04:01:56,465 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:56,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:56,466 INFO L85 PathProgramCache]: Analyzing trace with hash -725792126, now seen corresponding path program 1 times [2022-10-16 04:01:56,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:56,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702665279] [2022-10-16 04:01:56,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:56,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:56,900 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 04:01:56,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:56,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702665279] [2022-10-16 04:01:56,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702665279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:56,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:56,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:56,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067440229] [2022-10-16 04:01:56,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:56,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:56,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:56,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:56,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:56,903 INFO L87 Difference]: Start difference. First operand 1088 states and 1469 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:59,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:59,713 INFO L93 Difference]: Finished difference Result 1838 states and 2500 transitions. [2022-10-16 04:01:59,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:59,713 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:59,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:59,716 INFO L225 Difference]: With dead ends: 1838 [2022-10-16 04:01:59,716 INFO L226 Difference]: Without dead ends: 1838 [2022-10-16 04:01:59,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:01:59,717 INFO L413 NwaCegarLoop]: 1271 mSDtfsCounter, 6604 mSDsluCounter, 4060 mSDsCounter, 0 mSdLazyCounter, 4136 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6604 SdHoareTripleChecker+Valid, 5331 SdHoareTripleChecker+Invalid, 4202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 4136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:59,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6604 Valid, 5331 Invalid, 4202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 4136 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 04:01:59,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-10-16 04:01:59,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1088. [2022-10-16 04:01:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.3862134088762983) internal successors, (1468), 1087 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:59,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1468 transitions. [2022-10-16 04:01:59,736 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1468 transitions. Word has length 112 [2022-10-16 04:01:59,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:59,736 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1468 transitions. [2022-10-16 04:01:59,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1468 transitions. [2022-10-16 04:01:59,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 04:01:59,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:59,739 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:59,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 04:01:59,739 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:59,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:59,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1057837107, now seen corresponding path program 1 times [2022-10-16 04:01:59,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:59,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007550987] [2022-10-16 04:01:59,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:59,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:00,142 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 04:02:00,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:00,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007550987] [2022-10-16 04:02:00,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007550987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:00,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:00,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:00,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192641858] [2022-10-16 04:02:00,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:00,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:00,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:00,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:00,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:00,147 INFO L87 Difference]: Start difference. First operand 1088 states and 1468 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:02,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:02,949 INFO L93 Difference]: Finished difference Result 1818 states and 2469 transitions. [2022-10-16 04:02:02,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:02,949 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 04:02:02,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:02,952 INFO L225 Difference]: With dead ends: 1818 [2022-10-16 04:02:02,952 INFO L226 Difference]: Without dead ends: 1818 [2022-10-16 04:02:02,953 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 04:02:02,956 INFO L413 NwaCegarLoop]: 1290 mSDtfsCounter, 4898 mSDsluCounter, 4026 mSDsCounter, 0 mSdLazyCounter, 4302 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4898 SdHoareTripleChecker+Valid, 5316 SdHoareTripleChecker+Invalid, 4387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:02,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4898 Valid, 5316 Invalid, 4387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4302 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 04:02:02,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-10-16 04:02:02,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1084. [2022-10-16 04:02:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.3867298578199052) internal successors, (1463), 1083 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1463 transitions. [2022-10-16 04:02:02,983 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1463 transitions. Word has length 113 [2022-10-16 04:02:02,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:02,983 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1463 transitions. [2022-10-16 04:02:02,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1463 transitions. [2022-10-16 04:02:02,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:02,986 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:02,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:02,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 04:02:02,987 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:02,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:02,988 INFO L85 PathProgramCache]: Analyzing trace with hash -946629140, now seen corresponding path program 1 times [2022-10-16 04:02:02,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:02,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472552287] [2022-10-16 04:02:02,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:02,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:03,732 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 04:02:03,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:03,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472552287] [2022-10-16 04:02:03,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472552287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:03,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:03,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:02:03,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584517030] [2022-10-16 04:02:03,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:03,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:02:03,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:03,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:02:03,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:02:03,738 INFO L87 Difference]: Start difference. First operand 1084 states and 1463 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:08,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:08,329 INFO L93 Difference]: Finished difference Result 2440 states and 3362 transitions. [2022-10-16 04:02:08,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:02:08,330 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:08,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:08,332 INFO L225 Difference]: With dead ends: 2440 [2022-10-16 04:02:08,332 INFO L226 Difference]: Without dead ends: 2440 [2022-10-16 04:02:08,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:02:08,334 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 10241 mSDsluCounter, 4399 mSDsCounter, 0 mSdLazyCounter, 4593 mSolverCounterSat, 840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10241 SdHoareTripleChecker+Valid, 5716 SdHoareTripleChecker+Invalid, 5433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 840 IncrementalHoareTripleChecker+Valid, 4593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:08,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10241 Valid, 5716 Invalid, 5433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [840 Valid, 4593 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 04:02:08,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2022-10-16 04:02:08,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 1088. [2022-10-16 04:02:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.385269121813031) internal successors, (1467), 1087 states have internal predecessors, (1467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1467 transitions. [2022-10-16 04:02:08,355 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1467 transitions. Word has length 114 [2022-10-16 04:02:08,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:08,355 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1467 transitions. [2022-10-16 04:02:08,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:08,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1467 transitions. [2022-10-16 04:02:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:08,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:08,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:08,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 04:02:08,359 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:08,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:08,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1355474368, now seen corresponding path program 1 times [2022-10-16 04:02:08,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:08,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600197144] [2022-10-16 04:02:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:08,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:08,846 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 04:02:08,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:08,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600197144] [2022-10-16 04:02:08,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600197144] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:08,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:08,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:08,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603085673] [2022-10-16 04:02:08,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:08,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:08,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:08,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:08,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:08,853 INFO L87 Difference]: Start difference. First operand 1088 states and 1467 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:12,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:12,030 INFO L93 Difference]: Finished difference Result 1790 states and 2417 transitions. [2022-10-16 04:02:12,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:12,031 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:12,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:12,033 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:02:12,033 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:02:12,033 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 04:02:12,034 INFO L413 NwaCegarLoop]: 1038 mSDtfsCounter, 6508 mSDsluCounter, 4302 mSDsCounter, 0 mSdLazyCounter, 4330 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6508 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 4513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 4330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:12,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6508 Valid, 5340 Invalid, 4513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 4330 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 04:02:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:02:12,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1088. [2022-10-16 04:02:12,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.3843248347497639) internal successors, (1466), 1087 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:12,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1466 transitions. [2022-10-16 04:02:12,051 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1466 transitions. Word has length 114 [2022-10-16 04:02:12,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:12,052 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1466 transitions. [2022-10-16 04:02:12,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1466 transitions. [2022-10-16 04:02:12,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:12,055 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:12,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:12,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 04:02:12,055 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:12,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:12,056 INFO L85 PathProgramCache]: Analyzing trace with hash -987372193, now seen corresponding path program 1 times [2022-10-16 04:02:12,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:12,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118840325] [2022-10-16 04:02:12,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:12,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:12,746 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 04:02:12,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:12,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118840325] [2022-10-16 04:02:12,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118840325] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:12,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:12,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:02:12,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541336537] [2022-10-16 04:02:12,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:12,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:02:12,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:12,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:02:12,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:02:12,749 INFO L87 Difference]: Start difference. First operand 1088 states and 1466 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:17,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:17,420 INFO L93 Difference]: Finished difference Result 2310 states and 3163 transitions. [2022-10-16 04:02:17,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:02:17,420 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:17,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:17,423 INFO L225 Difference]: With dead ends: 2310 [2022-10-16 04:02:17,423 INFO L226 Difference]: Without dead ends: 2310 [2022-10-16 04:02:17,424 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 04:02:17,425 INFO L413 NwaCegarLoop]: 1089 mSDtfsCounter, 11866 mSDsluCounter, 3852 mSDsCounter, 0 mSdLazyCounter, 4071 mSolverCounterSat, 1292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11866 SdHoareTripleChecker+Valid, 4941 SdHoareTripleChecker+Invalid, 5363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1292 IncrementalHoareTripleChecker+Valid, 4071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:17,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11866 Valid, 4941 Invalid, 5363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1292 Valid, 4071 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 04:02:17,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2022-10-16 04:02:17,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 1092. [2022-10-16 04:02:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1063 states have (on average 1.382878645343368) internal successors, (1470), 1091 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1470 transitions. [2022-10-16 04:02:17,447 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1470 transitions. Word has length 114 [2022-10-16 04:02:17,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:17,448 INFO L495 AbstractCegarLoop]: Abstraction has 1092 states and 1470 transitions. [2022-10-16 04:02:17,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1470 transitions. [2022-10-16 04:02:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:17,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:17,451 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:17,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 04:02:17,451 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:17,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:17,451 INFO L85 PathProgramCache]: Analyzing trace with hash -351977045, now seen corresponding path program 1 times [2022-10-16 04:02:17,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:17,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485342926] [2022-10-16 04:02:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:17,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:17,891 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 04:02:17,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:17,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485342926] [2022-10-16 04:02:17,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485342926] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:17,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:17,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:17,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561908360] [2022-10-16 04:02:17,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:17,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:17,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:17,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:17,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:17,894 INFO L87 Difference]: Start difference. First operand 1092 states and 1470 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:20,812 INFO L93 Difference]: Finished difference Result 1790 states and 2415 transitions. [2022-10-16 04:02:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:20,813 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:20,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:20,815 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:02:20,815 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:02:20,816 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 04:02:20,816 INFO L413 NwaCegarLoop]: 978 mSDtfsCounter, 6608 mSDsluCounter, 4127 mSDsCounter, 0 mSdLazyCounter, 4122 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6608 SdHoareTripleChecker+Valid, 5105 SdHoareTripleChecker+Invalid, 4307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 4122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:20,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6608 Valid, 5105 Invalid, 4307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 4122 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:02:20,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:02:20,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1092. [2022-10-16 04:02:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1063 states have (on average 1.3819379115710253) internal successors, (1469), 1091 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1469 transitions. [2022-10-16 04:02:20,832 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1469 transitions. Word has length 114 [2022-10-16 04:02:20,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:20,832 INFO L495 AbstractCegarLoop]: Abstraction has 1092 states and 1469 transitions. [2022-10-16 04:02:20,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1469 transitions. [2022-10-16 04:02:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:20,834 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:20,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:20,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 04:02:20,835 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:20,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:20,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1812075390, now seen corresponding path program 1 times [2022-10-16 04:02:20,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:20,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643492607] [2022-10-16 04:02:20,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:20,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:21,269 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 04:02:21,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:21,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643492607] [2022-10-16 04:02:21,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643492607] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:21,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:21,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:21,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355886249] [2022-10-16 04:02:21,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:21,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:21,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:21,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:21,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:21,276 INFO L87 Difference]: Start difference. First operand 1092 states and 1469 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:24,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:24,309 INFO L93 Difference]: Finished difference Result 1790 states and 2414 transitions. [2022-10-16 04:02:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:24,310 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:24,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:24,312 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:02:24,312 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:02:24,313 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 04:02:24,314 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 6511 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 4293 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6511 SdHoareTripleChecker+Valid, 5307 SdHoareTripleChecker+Invalid, 4476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 4293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:24,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6511 Valid, 5307 Invalid, 4476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 4293 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 04:02:24,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:02:24,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1092. [2022-10-16 04:02:24,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1063 states have (on average 1.380997177798683) internal successors, (1468), 1091 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:24,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1468 transitions. [2022-10-16 04:02:24,341 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1468 transitions. Word has length 114 [2022-10-16 04:02:24,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:24,342 INFO L495 AbstractCegarLoop]: Abstraction has 1092 states and 1468 transitions. [2022-10-16 04:02:24,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:24,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1468 transitions. [2022-10-16 04:02:24,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:24,345 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:24,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:24,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 04:02:24,346 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:24,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:24,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1847714225, now seen corresponding path program 1 times [2022-10-16 04:02:24,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:24,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271349543] [2022-10-16 04:02:24,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:24,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:25,064 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 04:02:25,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:25,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271349543] [2022-10-16 04:02:25,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271349543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:25,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:25,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:02:25,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235369538] [2022-10-16 04:02:25,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:25,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:02:25,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:25,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:02:25,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:02:25,067 INFO L87 Difference]: Start difference. First operand 1092 states and 1468 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:29,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:29,587 INFO L93 Difference]: Finished difference Result 2310 states and 3160 transitions. [2022-10-16 04:02:29,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:02:29,588 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:29,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:29,591 INFO L225 Difference]: With dead ends: 2310 [2022-10-16 04:02:29,591 INFO L226 Difference]: Without dead ends: 2310 [2022-10-16 04:02:29,592 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 04:02:29,593 INFO L413 NwaCegarLoop]: 1080 mSDtfsCounter, 11962 mSDsluCounter, 3830 mSDsCounter, 0 mSdLazyCounter, 4035 mSolverCounterSat, 1304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11962 SdHoareTripleChecker+Valid, 4910 SdHoareTripleChecker+Invalid, 5339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1304 IncrementalHoareTripleChecker+Valid, 4035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:29,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11962 Valid, 4910 Invalid, 5339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1304 Valid, 4035 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 04:02:29,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2022-10-16 04:02:29,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 1096. [2022-10-16 04:02:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 1067 states have (on average 1.379568884723524) internal successors, (1472), 1095 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1472 transitions. [2022-10-16 04:02:29,615 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1472 transitions. Word has length 114 [2022-10-16 04:02:29,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:29,615 INFO L495 AbstractCegarLoop]: Abstraction has 1096 states and 1472 transitions. [2022-10-16 04:02:29,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1472 transitions. [2022-10-16 04:02:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:29,618 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:29,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:29,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 04:02:29,618 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:29,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:29,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1990981026, now seen corresponding path program 1 times [2022-10-16 04:02:29,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:29,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837321505] [2022-10-16 04:02:29,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:29,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:30,046 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 04:02:30,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:30,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837321505] [2022-10-16 04:02:30,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837321505] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:30,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:30,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:30,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002205244] [2022-10-16 04:02:30,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:30,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:30,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:30,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:30,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:30,049 INFO L87 Difference]: Start difference. First operand 1096 states and 1472 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:33,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:33,170 INFO L93 Difference]: Finished difference Result 1830 states and 2474 transitions. [2022-10-16 04:02:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:33,171 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:33,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:33,173 INFO L225 Difference]: With dead ends: 1830 [2022-10-16 04:02:33,173 INFO L226 Difference]: Without dead ends: 1830 [2022-10-16 04:02:33,174 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 04:02:33,174 INFO L413 NwaCegarLoop]: 1203 mSDtfsCounter, 6310 mSDsluCounter, 4892 mSDsCounter, 0 mSdLazyCounter, 4804 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6310 SdHoareTripleChecker+Valid, 6095 SdHoareTripleChecker+Invalid, 4899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 4804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:33,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6310 Valid, 6095 Invalid, 4899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 4804 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:02:33,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2022-10-16 04:02:33,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1096. [2022-10-16 04:02:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 1067 states have (on average 1.3786316776007497) internal successors, (1471), 1095 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:33,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1471 transitions. [2022-10-16 04:02:33,191 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1471 transitions. Word has length 114 [2022-10-16 04:02:33,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:33,191 INFO L495 AbstractCegarLoop]: Abstraction has 1096 states and 1471 transitions. [2022-10-16 04:02:33,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1471 transitions. [2022-10-16 04:02:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:33,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:33,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:33,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 04:02:33,194 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:33,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:33,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1777543820, now seen corresponding path program 1 times [2022-10-16 04:02:33,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:33,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260683907] [2022-10-16 04:02:33,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:33,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:33,485 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 04:02:33,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:33,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260683907] [2022-10-16 04:02:33,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260683907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:33,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:33,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:33,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596557621] [2022-10-16 04:02:33,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:33,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:33,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:33,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:33,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:33,488 INFO L87 Difference]: Start difference. First operand 1096 states and 1471 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:35,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:35,996 INFO L93 Difference]: Finished difference Result 1830 states and 2472 transitions. [2022-10-16 04:02:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:35,996 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:35,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:35,998 INFO L225 Difference]: With dead ends: 1830 [2022-10-16 04:02:35,998 INFO L226 Difference]: Without dead ends: 1830 [2022-10-16 04:02:35,999 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 04:02:35,999 INFO L413 NwaCegarLoop]: 1217 mSDtfsCounter, 5361 mSDsluCounter, 3757 mSDsCounter, 0 mSdLazyCounter, 3951 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5361 SdHoareTripleChecker+Valid, 4974 SdHoareTripleChecker+Invalid, 4038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:36,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5361 Valid, 4974 Invalid, 4038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3951 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:02:36,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2022-10-16 04:02:36,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1096. [2022-10-16 04:02:36,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 1067 states have (on average 1.3776944704779757) internal successors, (1470), 1095 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1470 transitions. [2022-10-16 04:02:36,021 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1470 transitions. Word has length 114 [2022-10-16 04:02:36,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:36,022 INFO L495 AbstractCegarLoop]: Abstraction has 1096 states and 1470 transitions. [2022-10-16 04:02:36,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:36,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1470 transitions. [2022-10-16 04:02:36,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:36,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:36,025 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:36,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 04:02:36,027 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:36,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:36,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1368364718, now seen corresponding path program 1 times [2022-10-16 04:02:36,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:36,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411013545] [2022-10-16 04:02:36,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:36,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:36,422 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 04:02:36,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:36,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411013545] [2022-10-16 04:02:36,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411013545] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:36,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:36,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:36,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676015034] [2022-10-16 04:02:36,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:36,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:36,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:36,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:36,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:36,425 INFO L87 Difference]: Start difference. First operand 1096 states and 1470 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:39,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:39,375 INFO L93 Difference]: Finished difference Result 1790 states and 2410 transitions. [2022-10-16 04:02:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:39,375 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:39,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:39,378 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:02:39,379 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:02:39,379 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 04:02:39,380 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 6448 mSDsluCounter, 4363 mSDsCounter, 0 mSdLazyCounter, 4357 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6448 SdHoareTripleChecker+Valid, 5420 SdHoareTripleChecker+Invalid, 4538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 4357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:39,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6448 Valid, 5420 Invalid, 4538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 4357 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 04:02:39,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:02:39,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1096. [2022-10-16 04:02:39,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 1067 states have (on average 1.3767572633552014) internal successors, (1469), 1095 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1469 transitions. [2022-10-16 04:02:39,414 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1469 transitions. Word has length 114 [2022-10-16 04:02:39,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:39,415 INFO L495 AbstractCegarLoop]: Abstraction has 1096 states and 1469 transitions. [2022-10-16 04:02:39,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1469 transitions. [2022-10-16 04:02:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:39,418 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:39,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:39,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 04:02:39,418 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:39,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:39,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1167481258, now seen corresponding path program 1 times [2022-10-16 04:02:39,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:39,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666631246] [2022-10-16 04:02:39,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:39,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:40,045 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 04:02:40,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:40,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666631246] [2022-10-16 04:02:40,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666631246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:40,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:40,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:02:40,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890870417] [2022-10-16 04:02:40,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:40,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:02:40,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:40,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:02:40,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:02:40,048 INFO L87 Difference]: Start difference. First operand 1096 states and 1469 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:44,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:44,929 INFO L93 Difference]: Finished difference Result 2306 states and 3152 transitions. [2022-10-16 04:02:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:02:44,930 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:44,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:44,933 INFO L225 Difference]: With dead ends: 2306 [2022-10-16 04:02:44,933 INFO L226 Difference]: Without dead ends: 2306 [2022-10-16 04:02:44,934 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 04:02:44,935 INFO L413 NwaCegarLoop]: 1100 mSDtfsCounter, 9678 mSDsluCounter, 4955 mSDsCounter, 0 mSdLazyCounter, 5019 mSolverCounterSat, 1073 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9678 SdHoareTripleChecker+Valid, 6055 SdHoareTripleChecker+Invalid, 6092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1073 IncrementalHoareTripleChecker+Valid, 5019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:44,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9678 Valid, 6055 Invalid, 6092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1073 Valid, 5019 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 04:02:44,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2022-10-16 04:02:44,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 1100. [2022-10-16 04:02:44,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1071 states have (on average 1.3753501400560224) internal successors, (1473), 1099 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:44,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1473 transitions. [2022-10-16 04:02:44,950 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1473 transitions. Word has length 114 [2022-10-16 04:02:44,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:44,950 INFO L495 AbstractCegarLoop]: Abstraction has 1100 states and 1473 transitions. [2022-10-16 04:02:44,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:44,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1473 transitions. [2022-10-16 04:02:44,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:44,952 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:44,953 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:44,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 04:02:44,953 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:44,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:44,954 INFO L85 PathProgramCache]: Analyzing trace with hash -340131803, now seen corresponding path program 1 times [2022-10-16 04:02:44,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:44,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17199001] [2022-10-16 04:02:44,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:44,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:45,314 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 04:02:45,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:45,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17199001] [2022-10-16 04:02:45,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17199001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:45,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:45,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:45,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563204176] [2022-10-16 04:02:45,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:45,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:45,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:45,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:45,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:45,316 INFO L87 Difference]: Start difference. First operand 1100 states and 1473 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:47,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:47,700 INFO L93 Difference]: Finished difference Result 1790 states and 2408 transitions. [2022-10-16 04:02:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:47,701 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:47,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:47,703 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:02:47,703 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:02:47,704 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 04:02:47,705 INFO L413 NwaCegarLoop]: 1048 mSDtfsCounter, 3686 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 3626 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3686 SdHoareTripleChecker+Valid, 4424 SdHoareTripleChecker+Invalid, 3738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:47,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3686 Valid, 4424 Invalid, 3738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 3626 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:02:47,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:02:47,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1100. [2022-10-16 04:02:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1071 states have (on average 1.3744164332399627) internal successors, (1472), 1099 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1472 transitions. [2022-10-16 04:02:47,722 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1472 transitions. Word has length 114 [2022-10-16 04:02:47,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:47,723 INFO L495 AbstractCegarLoop]: Abstraction has 1100 states and 1472 transitions. [2022-10-16 04:02:47,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:47,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1472 transitions. [2022-10-16 04:02:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:47,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:47,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:47,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 04:02:47,726 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:47,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:47,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1608318294, now seen corresponding path program 1 times [2022-10-16 04:02:47,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:47,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705285518] [2022-10-16 04:02:47,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:47,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:48,126 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 04:02:48,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:48,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705285518] [2022-10-16 04:02:48,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705285518] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:48,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:48,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:48,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627011389] [2022-10-16 04:02:48,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:48,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:48,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:48,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:48,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:48,129 INFO L87 Difference]: Start difference. First operand 1100 states and 1472 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:50,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:50,756 INFO L93 Difference]: Finished difference Result 1790 states and 2406 transitions. [2022-10-16 04:02:50,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:50,759 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:50,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:50,762 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:02:50,762 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:02:50,763 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 04:02:50,763 INFO L413 NwaCegarLoop]: 1066 mSDtfsCounter, 5475 mSDsluCounter, 3343 mSDsCounter, 0 mSdLazyCounter, 3592 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5475 SdHoareTripleChecker+Valid, 4409 SdHoareTripleChecker+Invalid, 3762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 3592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:50,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5475 Valid, 4409 Invalid, 3762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 3592 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:02:50,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:02:50,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1100. [2022-10-16 04:02:50,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1071 states have (on average 1.373482726423903) internal successors, (1471), 1099 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1471 transitions. [2022-10-16 04:02:50,784 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1471 transitions. Word has length 114 [2022-10-16 04:02:50,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:50,784 INFO L495 AbstractCegarLoop]: Abstraction has 1100 states and 1471 transitions. [2022-10-16 04:02:50,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1471 transitions. [2022-10-16 04:02:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:50,786 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:50,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:50,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 04:02:50,786 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:50,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:50,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2040385468, now seen corresponding path program 1 times [2022-10-16 04:02:50,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:50,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466856562] [2022-10-16 04:02:50,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:50,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:51,099 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 04:02:51,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:51,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466856562] [2022-10-16 04:02:51,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466856562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:51,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:51,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:51,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902729783] [2022-10-16 04:02:51,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:51,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:51,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:51,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:51,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:51,101 INFO L87 Difference]: Start difference. First operand 1100 states and 1471 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:53,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:53,547 INFO L93 Difference]: Finished difference Result 1790 states and 2405 transitions. [2022-10-16 04:02:53,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:53,548 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:53,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:53,550 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:02:53,550 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:02:53,550 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 04:02:53,551 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 3670 mSDsluCounter, 3412 mSDsCounter, 0 mSdLazyCounter, 3613 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3670 SdHoareTripleChecker+Valid, 4472 SdHoareTripleChecker+Invalid, 3725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:53,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3670 Valid, 4472 Invalid, 3725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 3613 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:02:53,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:02:53,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1100. [2022-10-16 04:02:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1071 states have (on average 1.3725490196078431) internal successors, (1470), 1099 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1470 transitions. [2022-10-16 04:02:53,565 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1470 transitions. Word has length 114 [2022-10-16 04:02:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:53,565 INFO L495 AbstractCegarLoop]: Abstraction has 1100 states and 1470 transitions. [2022-10-16 04:02:53,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1470 transitions. [2022-10-16 04:02:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:53,567 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:53,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:53,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 04:02:53,568 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:53,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:53,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1422313079, now seen corresponding path program 1 times [2022-10-16 04:02:53,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:53,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126535101] [2022-10-16 04:02:53,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:53,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:53,837 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 04:02:53,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:53,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126535101] [2022-10-16 04:02:53,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126535101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:53,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:53,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:53,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294655003] [2022-10-16 04:02:53,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:53,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:53,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:53,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:53,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:53,839 INFO L87 Difference]: Start difference. First operand 1100 states and 1470 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:56,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:56,196 INFO L93 Difference]: Finished difference Result 1790 states and 2403 transitions. [2022-10-16 04:02:56,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:56,197 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:56,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:56,199 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:02:56,200 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:02:56,200 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 04:02:56,201 INFO L413 NwaCegarLoop]: 1066 mSDtfsCounter, 5468 mSDsluCounter, 3343 mSDsCounter, 0 mSdLazyCounter, 3582 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5468 SdHoareTripleChecker+Valid, 4409 SdHoareTripleChecker+Invalid, 3753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 3582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:56,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5468 Valid, 4409 Invalid, 3753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 3582 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:02:56,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:02:56,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1100. [2022-10-16 04:02:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1071 states have (on average 1.3716153127917834) internal successors, (1469), 1099 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:56,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1469 transitions. [2022-10-16 04:02:56,219 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1469 transitions. Word has length 114 [2022-10-16 04:02:56,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:56,220 INFO L495 AbstractCegarLoop]: Abstraction has 1100 states and 1469 transitions. [2022-10-16 04:02:56,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:56,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1469 transitions. [2022-10-16 04:02:56,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:56,222 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:56,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:56,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 04:02:56,223 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:56,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:56,224 INFO L85 PathProgramCache]: Analyzing trace with hash -731468516, now seen corresponding path program 1 times [2022-10-16 04:02:56,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:56,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469073180] [2022-10-16 04:02:56,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:56,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:56,820 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 04:02:56,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:56,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469073180] [2022-10-16 04:02:56,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469073180] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:56,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:56,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:02:56,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150598290] [2022-10-16 04:02:56,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:56,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:02:56,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:56,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:02:56,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:02:56,823 INFO L87 Difference]: Start difference. First operand 1100 states and 1469 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:01,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:01,138 INFO L93 Difference]: Finished difference Result 2310 states and 3148 transitions. [2022-10-16 04:03:01,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:03:01,140 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:01,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:01,142 INFO L225 Difference]: With dead ends: 2310 [2022-10-16 04:03:01,143 INFO L226 Difference]: Without dead ends: 2310 [2022-10-16 04:03:01,143 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 04:03:01,144 INFO L413 NwaCegarLoop]: 1098 mSDtfsCounter, 11785 mSDsluCounter, 3889 mSDsCounter, 0 mSdLazyCounter, 4040 mSolverCounterSat, 1292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11785 SdHoareTripleChecker+Valid, 4987 SdHoareTripleChecker+Invalid, 5332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1292 IncrementalHoareTripleChecker+Valid, 4040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:01,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11785 Valid, 4987 Invalid, 5332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1292 Valid, 4040 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 04:03:01,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2022-10-16 04:03:01,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 1104. [2022-10-16 04:03:01,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1075 states have (on average 1.370232558139535) internal successors, (1473), 1103 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:01,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1473 transitions. [2022-10-16 04:03:01,163 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1473 transitions. Word has length 114 [2022-10-16 04:03:01,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:01,163 INFO L495 AbstractCegarLoop]: Abstraction has 1104 states and 1473 transitions. [2022-10-16 04:03:01,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1473 transitions. [2022-10-16 04:03:01,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:01,165 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:01,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:01,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 04:03:01,166 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:01,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:01,166 INFO L85 PathProgramCache]: Analyzing trace with hash -95181654, now seen corresponding path program 1 times [2022-10-16 04:03:01,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:01,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770360434] [2022-10-16 04:03:01,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:01,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:01,498 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 04:03:01,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:01,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770360434] [2022-10-16 04:03:01,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770360434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:01,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:01,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:01,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615992326] [2022-10-16 04:03:01,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:01,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:01,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:01,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:01,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:01,501 INFO L87 Difference]: Start difference. First operand 1104 states and 1473 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:04,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:04,362 INFO L93 Difference]: Finished difference Result 1790 states and 2401 transitions. [2022-10-16 04:03:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:04,363 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:04,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:04,365 INFO L225 Difference]: With dead ends: 1790 [2022-10-16 04:03:04,365 INFO L226 Difference]: Without dead ends: 1790 [2022-10-16 04:03:04,366 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 04:03:04,367 INFO L413 NwaCegarLoop]: 989 mSDtfsCounter, 6550 mSDsluCounter, 4161 mSDsCounter, 0 mSdLazyCounter, 4086 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6550 SdHoareTripleChecker+Valid, 5150 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 4086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:04,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6550 Valid, 5150 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 4086 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:03:04,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-16 04:03:04,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1104. [2022-10-16 04:03:04,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1075 states have (on average 1.3693023255813954) internal successors, (1472), 1103 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1472 transitions. [2022-10-16 04:03:04,383 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1472 transitions. Word has length 114 [2022-10-16 04:03:04,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:04,383 INFO L495 AbstractCegarLoop]: Abstraction has 1104 states and 1472 transitions. [2022-10-16 04:03:04,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:04,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1472 transitions. [2022-10-16 04:03:04,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:04,385 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:04,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:04,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 04:03:04,386 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:04,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:04,386 INFO L85 PathProgramCache]: Analyzing trace with hash -690725463, now seen corresponding path program 1 times [2022-10-16 04:03:04,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:04,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823333318] [2022-10-16 04:03:04,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:04,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:05,044 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 04:03:05,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:05,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823333318] [2022-10-16 04:03:05,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823333318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:05,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:05,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:03:05,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583529203] [2022-10-16 04:03:05,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:05,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:03:05,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:05,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:03:05,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:03:05,047 INFO L87 Difference]: Start difference. First operand 1104 states and 1472 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:09,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:09,917 INFO L93 Difference]: Finished difference Result 2460 states and 3362 transitions. [2022-10-16 04:03:09,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:03:09,918 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:09,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:09,921 INFO L225 Difference]: With dead ends: 2460 [2022-10-16 04:03:09,921 INFO L226 Difference]: Without dead ends: 2460 [2022-10-16 04:03:09,921 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 04:03:09,921 INFO L413 NwaCegarLoop]: 1289 mSDtfsCounter, 11260 mSDsluCounter, 5725 mSDsCounter, 0 mSdLazyCounter, 5598 mSolverCounterSat, 986 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11260 SdHoareTripleChecker+Valid, 7014 SdHoareTripleChecker+Invalid, 6584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 986 IncrementalHoareTripleChecker+Valid, 5598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:09,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11260 Valid, 7014 Invalid, 6584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [986 Valid, 5598 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 04:03:09,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2022-10-16 04:03:09,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 1108. [2022-10-16 04:03:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1079 states have (on average 1.3679332715477295) internal successors, (1476), 1107 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1476 transitions. [2022-10-16 04:03:09,938 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1476 transitions. Word has length 114 [2022-10-16 04:03:09,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:09,938 INFO L495 AbstractCegarLoop]: Abstraction has 1108 states and 1476 transitions. [2022-10-16 04:03:09,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:09,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1476 transitions. [2022-10-16 04:03:09,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:09,940 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:09,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:09,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 04:03:09,940 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:09,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:09,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1099570691, now seen corresponding path program 1 times [2022-10-16 04:03:09,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:09,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848769778] [2022-10-16 04:03:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:09,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:10,370 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 04:03:10,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:10,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848769778] [2022-10-16 04:03:10,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848769778] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:10,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:10,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:10,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369580249] [2022-10-16 04:03:10,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:10,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:10,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:10,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:10,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:10,373 INFO L87 Difference]: Start difference. First operand 1108 states and 1476 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:13,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:13,214 INFO L93 Difference]: Finished difference Result 1794 states and 2404 transitions. [2022-10-16 04:03:13,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:13,215 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:13,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:13,217 INFO L225 Difference]: With dead ends: 1794 [2022-10-16 04:03:13,218 INFO L226 Difference]: Without dead ends: 1794 [2022-10-16 04:03:13,218 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 04:03:13,218 INFO L413 NwaCegarLoop]: 989 mSDtfsCounter, 6549 mSDsluCounter, 4159 mSDsCounter, 0 mSdLazyCounter, 4080 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6549 SdHoareTripleChecker+Valid, 5148 SdHoareTripleChecker+Invalid, 4263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 4080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:13,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6549 Valid, 5148 Invalid, 4263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 4080 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:03:13,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-10-16 04:03:13,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1108. [2022-10-16 04:03:13,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1079 states have (on average 1.3670064874884151) internal successors, (1475), 1107 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1475 transitions. [2022-10-16 04:03:13,234 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1475 transitions. Word has length 114 [2022-10-16 04:03:13,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:13,235 INFO L495 AbstractCegarLoop]: Abstraction has 1108 states and 1475 transitions. [2022-10-16 04:03:13,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1475 transitions. [2022-10-16 04:03:13,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:13,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:13,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:13,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 04:03:13,238 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:13,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:13,238 INFO L85 PathProgramCache]: Analyzing trace with hash 2103617902, now seen corresponding path program 1 times [2022-10-16 04:03:13,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:13,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32159599] [2022-10-16 04:03:13,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:13,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:13,779 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 04:03:13,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:13,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32159599] [2022-10-16 04:03:13,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32159599] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:13,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:13,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:03:13,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091978927] [2022-10-16 04:03:13,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:13,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:03:13,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:13,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:03:13,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:03:13,781 INFO L87 Difference]: Start difference. First operand 1108 states and 1475 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:17,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:17,951 INFO L93 Difference]: Finished difference Result 2314 states and 3149 transitions. [2022-10-16 04:03:17,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:03:17,952 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:17,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:17,955 INFO L225 Difference]: With dead ends: 2314 [2022-10-16 04:03:17,955 INFO L226 Difference]: Without dead ends: 2314 [2022-10-16 04:03:17,955 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 04:03:17,956 INFO L413 NwaCegarLoop]: 1090 mSDtfsCounter, 9832 mSDsluCounter, 3869 mSDsCounter, 0 mSdLazyCounter, 4004 mSolverCounterSat, 1094 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9832 SdHoareTripleChecker+Valid, 4959 SdHoareTripleChecker+Invalid, 5098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1094 IncrementalHoareTripleChecker+Valid, 4004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:17,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9832 Valid, 4959 Invalid, 5098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1094 Valid, 4004 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 04:03:17,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2022-10-16 04:03:17,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 1112. [2022-10-16 04:03:17,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1083 states have (on average 1.365650969529086) internal successors, (1479), 1111 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:17,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1479 transitions. [2022-10-16 04:03:17,982 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1479 transitions. Word has length 114 [2022-10-16 04:03:17,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:17,982 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 1479 transitions. [2022-10-16 04:03:17,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1479 transitions. [2022-10-16 04:03:17,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:17,984 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:17,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:17,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 04:03:17,985 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:17,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:17,986 INFO L85 PathProgramCache]: Analyzing trace with hash -369561292, now seen corresponding path program 1 times [2022-10-16 04:03:17,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:17,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903648817] [2022-10-16 04:03:17,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:17,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:18,289 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 04:03:18,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:18,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903648817] [2022-10-16 04:03:18,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903648817] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:18,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:18,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:18,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875303565] [2022-10-16 04:03:18,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:18,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:18,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:18,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:18,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:18,292 INFO L87 Difference]: Start difference. First operand 1112 states and 1479 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:20,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:20,560 INFO L93 Difference]: Finished difference Result 1794 states and 2402 transitions. [2022-10-16 04:03:20,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:20,560 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:20,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:20,563 INFO L225 Difference]: With dead ends: 1794 [2022-10-16 04:03:20,563 INFO L226 Difference]: Without dead ends: 1794 [2022-10-16 04:03:20,564 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 04:03:20,564 INFO L413 NwaCegarLoop]: 981 mSDtfsCounter, 3799 mSDsluCounter, 3177 mSDsCounter, 0 mSdLazyCounter, 3345 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3799 SdHoareTripleChecker+Valid, 4158 SdHoareTripleChecker+Invalid, 3459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:20,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3799 Valid, 4158 Invalid, 3459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3345 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:03:20,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-10-16 04:03:20,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1112. [2022-10-16 04:03:20,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1083 states have (on average 1.3647276084949216) internal successors, (1478), 1111 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1478 transitions. [2022-10-16 04:03:20,578 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1478 transitions. Word has length 114 [2022-10-16 04:03:20,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:20,578 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 1478 transitions. [2022-10-16 04:03:20,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1478 transitions. [2022-10-16 04:03:20,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:20,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:20,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:20,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 04:03:20,581 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:20,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:20,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2047190879, now seen corresponding path program 1 times [2022-10-16 04:03:20,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:20,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607142239] [2022-10-16 04:03:20,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:20,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:20,931 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 04:03:20,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:20,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607142239] [2022-10-16 04:03:20,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607142239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:20,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:20,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:20,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58275035] [2022-10-16 04:03:20,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:20,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:20,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:20,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:20,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:20,934 INFO L87 Difference]: Start difference. First operand 1112 states and 1478 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:23,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:23,800 INFO L93 Difference]: Finished difference Result 1846 states and 2474 transitions. [2022-10-16 04:03:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:23,801 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:23,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:23,804 INFO L225 Difference]: With dead ends: 1846 [2022-10-16 04:03:23,804 INFO L226 Difference]: Without dead ends: 1846 [2022-10-16 04:03:23,804 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 04:03:23,805 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 6406 mSDsluCounter, 4658 mSDsCounter, 0 mSdLazyCounter, 4483 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6406 SdHoareTripleChecker+Valid, 5782 SdHoareTripleChecker+Invalid, 4580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:23,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6406 Valid, 5782 Invalid, 4580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4483 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:03:23,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-10-16 04:03:23,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1112. [2022-10-16 04:03:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1083 states have (on average 1.3638042474607572) internal successors, (1477), 1111 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:23,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1477 transitions. [2022-10-16 04:03:23,820 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1477 transitions. Word has length 114 [2022-10-16 04:03:23,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:23,821 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 1477 transitions. [2022-10-16 04:03:23,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1477 transitions. [2022-10-16 04:03:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:23,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:23,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:23,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 04:03:23,824 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:23,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:23,825 INFO L85 PathProgramCache]: Analyzing trace with hash -2138520516, now seen corresponding path program 1 times [2022-10-16 04:03:23,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:23,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786722777] [2022-10-16 04:03:23,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:23,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:24,164 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 04:03:24,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:24,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786722777] [2022-10-16 04:03:24,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786722777] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:24,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:24,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:24,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890037823] [2022-10-16 04:03:24,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:24,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:24,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:24,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:24,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:24,166 INFO L87 Difference]: Start difference. First operand 1112 states and 1477 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:27,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:27,025 INFO L93 Difference]: Finished difference Result 1846 states and 2473 transitions. [2022-10-16 04:03:27,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:27,026 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:27,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:27,029 INFO L225 Difference]: With dead ends: 1846 [2022-10-16 04:03:27,029 INFO L226 Difference]: Without dead ends: 1846 [2022-10-16 04:03:27,029 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 04:03:27,030 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 6791 mSDsluCounter, 4551 mSDsCounter, 0 mSdLazyCounter, 4328 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6791 SdHoareTripleChecker+Valid, 5628 SdHoareTripleChecker+Invalid, 4427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:27,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6791 Valid, 5628 Invalid, 4427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4328 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:03:27,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-10-16 04:03:27,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1112. [2022-10-16 04:03:27,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1083 states have (on average 1.3628808864265929) internal successors, (1476), 1111 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:27,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1476 transitions. [2022-10-16 04:03:27,042 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1476 transitions. Word has length 114 [2022-10-16 04:03:27,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:27,042 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 1476 transitions. [2022-10-16 04:03:27,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1476 transitions. [2022-10-16 04:03:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:27,044 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:27,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:27,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 04:03:27,044 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:27,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:27,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1747601552, now seen corresponding path program 1 times [2022-10-16 04:03:27,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:27,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440862244] [2022-10-16 04:03:27,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:27,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:27,348 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 04:03:27,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:27,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440862244] [2022-10-16 04:03:27,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440862244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:27,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:27,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:27,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442743091] [2022-10-16 04:03:27,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:27,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:27,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:27,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:27,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:27,350 INFO L87 Difference]: Start difference. First operand 1112 states and 1476 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:30,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:30,210 INFO L93 Difference]: Finished difference Result 1794 states and 2399 transitions. [2022-10-16 04:03:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:30,211 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:30,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:30,213 INFO L225 Difference]: With dead ends: 1794 [2022-10-16 04:03:30,213 INFO L226 Difference]: Without dead ends: 1794 [2022-10-16 04:03:30,214 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 04:03:30,214 INFO L413 NwaCegarLoop]: 1022 mSDtfsCounter, 6476 mSDsluCounter, 4256 mSDsCounter, 0 mSdLazyCounter, 4150 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 4331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 4150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:30,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6476 Valid, 5278 Invalid, 4331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 4150 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:03:30,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-10-16 04:03:30,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1112. [2022-10-16 04:03:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1083 states have (on average 1.3619575253924285) internal successors, (1475), 1111 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:30,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1475 transitions. [2022-10-16 04:03:30,229 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1475 transitions. Word has length 114 [2022-10-16 04:03:30,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:30,229 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 1475 transitions. [2022-10-16 04:03:30,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:30,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1475 transitions. [2022-10-16 04:03:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:30,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:30,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:30,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 04:03:30,232 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:30,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:30,232 INFO L85 PathProgramCache]: Analyzing trace with hash -187578806, now seen corresponding path program 1 times [2022-10-16 04:03:30,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:30,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362490571] [2022-10-16 04:03:30,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:30,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:30,733 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 04:03:30,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:30,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362490571] [2022-10-16 04:03:30,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362490571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:30,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:30,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:03:30,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488238070] [2022-10-16 04:03:30,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:30,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:03:30,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:30,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:03:30,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:03:30,736 INFO L87 Difference]: Start difference. First operand 1112 states and 1475 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:35,483 INFO L93 Difference]: Finished difference Result 2629 states and 3586 transitions. [2022-10-16 04:03:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:03:35,484 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:35,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:35,487 INFO L225 Difference]: With dead ends: 2629 [2022-10-16 04:03:35,487 INFO L226 Difference]: Without dead ends: 2629 [2022-10-16 04:03:35,487 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 04:03:35,488 INFO L413 NwaCegarLoop]: 1461 mSDtfsCounter, 11112 mSDsluCounter, 5394 mSDsCounter, 0 mSdLazyCounter, 5303 mSolverCounterSat, 855 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11112 SdHoareTripleChecker+Valid, 6855 SdHoareTripleChecker+Invalid, 6158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 855 IncrementalHoareTripleChecker+Valid, 5303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:35,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11112 Valid, 6855 Invalid, 6158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [855 Valid, 5303 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 04:03:35,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2629 states. [2022-10-16 04:03:35,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2629 to 1116. [2022-10-16 04:03:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1087 states have (on average 1.3606255749770009) internal successors, (1479), 1115 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1479 transitions. [2022-10-16 04:03:35,505 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1479 transitions. Word has length 114 [2022-10-16 04:03:35,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:35,505 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1479 transitions. [2022-10-16 04:03:35,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1479 transitions. [2022-10-16 04:03:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:35,507 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:35,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:35,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 04:03:35,508 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:35,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:35,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1660172459, now seen corresponding path program 1 times [2022-10-16 04:03:35,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:35,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851466017] [2022-10-16 04:03:35,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:35,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:35,847 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 04:03:35,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:35,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851466017] [2022-10-16 04:03:35,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851466017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:35,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:35,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:35,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837254971] [2022-10-16 04:03:35,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:35,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:35,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:35,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:35,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:35,850 INFO L87 Difference]: Start difference. First operand 1116 states and 1479 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:38,701 INFO L93 Difference]: Finished difference Result 1850 states and 2475 transitions. [2022-10-16 04:03:38,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:38,701 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:03:38,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:38,704 INFO L225 Difference]: With dead ends: 1850 [2022-10-16 04:03:38,704 INFO L226 Difference]: Without dead ends: 1850 [2022-10-16 04:03:38,704 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 04:03:38,704 INFO L413 NwaCegarLoop]: 1073 mSDtfsCounter, 6693 mSDsluCounter, 4604 mSDsCounter, 0 mSdLazyCounter, 4367 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6693 SdHoareTripleChecker+Valid, 5677 SdHoareTripleChecker+Invalid, 4464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:38,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6693 Valid, 5677 Invalid, 4464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4367 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:03:38,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2022-10-16 04:03:38,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1116. [2022-10-16 04:03:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1087 states have (on average 1.359705611775529) internal successors, (1478), 1115 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1478 transitions. [2022-10-16 04:03:38,715 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1478 transitions. Word has length 114 [2022-10-16 04:03:38,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:38,715 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1478 transitions. [2022-10-16 04:03:38,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1478 transitions. [2022-10-16 04:03:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:03:38,717 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:38,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:38,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 04:03:38,718 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:38,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1485736079, now seen corresponding path program 1 times [2022-10-16 04:03:38,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:38,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296480449] [2022-10-16 04:03:38,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:38,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:39,033 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 04:03:39,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:39,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296480449] [2022-10-16 04:03:39,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296480449] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:39,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:39,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:39,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631979121] [2022-10-16 04:03:39,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:39,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:39,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:39,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:39,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:39,036 INFO L87 Difference]: Start difference. First operand 1116 states and 1478 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)