/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:54:50,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:54:50,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:54:50,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 03:54:50,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:54:50,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:54:50,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:54:50,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:54:50,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:54:50,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:54:50,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:54:50,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:54:50,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:54:50,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:54:50,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:54:50,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:54:50,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 03:54:50,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:54:50,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:54:50,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:54:50,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 03:54:50,961 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:54:50,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:54:50,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:54:50,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:54:50,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:54:50,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:54:50,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:54:50,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:54:50,967 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:54:50,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:54:50,968 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:54:50,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:54:50,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:54:50,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:54:50,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:54:50,969 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:54:50,969 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:54:50,970 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:54:50,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:54:50,970 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:54:50,970 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:54:50,970 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:54:50,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:54:50,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:54:50,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:54:50,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:54:50,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:54:50,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:54:50,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:54:50,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:54:50,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:54:51,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:54:51,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:54:51,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:54:51,427 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:54:51,428 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:54:51,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2022-10-16 03:54:51,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd539eda/7c194a5473954347a2f06c649fe54895/FLAG7349321e0 [2022-10-16 03:54:52,491 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:54:52,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2022-10-16 03:54:52,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd539eda/7c194a5473954347a2f06c649fe54895/FLAG7349321e0 [2022-10-16 03:54:52,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd539eda/7c194a5473954347a2f06c649fe54895 [2022-10-16 03:54:52,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:54:52,975 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:54:52,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:54:52,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:54:52,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:54:52,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:54:52" (1/1) ... [2022-10-16 03:54:52,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375c9022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:52, skipping insertion in model container [2022-10-16 03:54:52,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:54:52" (1/1) ... [2022-10-16 03:54:52,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:54:53,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:54:54,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[80354,80367] [2022-10-16 03:54:54,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[115904,115917] [2022-10-16 03:54:54,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[133708,133721] [2022-10-16 03:54:54,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[142627,142640] [2022-10-16 03:54:54,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[147060,147073] [2022-10-16 03:54:54,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[151393,151406] [2022-10-16 03:54:54,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[186229,186242] [2022-10-16 03:54:54,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[203860,203873] [2022-10-16 03:54:54,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[212816,212829] [2022-10-16 03:54:54,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[217286,217299] [2022-10-16 03:54:54,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[221656,221669] [2022-10-16 03:54:54,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[240553,240566] [2022-10-16 03:54:54,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[249509,249522] [2022-10-16 03:54:55,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[253979,253992] [2022-10-16 03:54:55,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[258349,258362] [2022-10-16 03:54:55,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[263314,263327] [2022-10-16 03:54:55,072 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[267693,267706] [2022-10-16 03:54:55,089 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[272163,272176] [2022-10-16 03:54:55,107 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[276533,276546] [2022-10-16 03:54:55,124 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[281119,281132] [2022-10-16 03:54:55,142 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[285656,285669] [2022-10-16 03:54:55,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[290122,290135] [2022-10-16 03:54:55,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:54:55,278 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:54:55,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[80354,80367] [2022-10-16 03:54:55,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[115904,115917] [2022-10-16 03:54:55,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[133708,133721] [2022-10-16 03:54:55,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[142627,142640] [2022-10-16 03:54:55,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[147060,147073] [2022-10-16 03:54:55,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[151393,151406] [2022-10-16 03:54:56,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[186229,186242] [2022-10-16 03:54:56,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[203860,203873] [2022-10-16 03:54:56,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[212816,212829] [2022-10-16 03:54:56,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[217286,217299] [2022-10-16 03:54:56,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[221656,221669] [2022-10-16 03:54:56,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[240553,240566] [2022-10-16 03:54:56,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[249509,249522] [2022-10-16 03:54:56,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[253979,253992] [2022-10-16 03:54:56,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[258349,258362] [2022-10-16 03:54:56,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[263314,263327] [2022-10-16 03:54:56,333 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[267693,267706] [2022-10-16 03:54:56,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[272163,272176] [2022-10-16 03:54:56,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[276533,276546] [2022-10-16 03:54:56,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[281119,281132] [2022-10-16 03:54:56,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[285656,285669] [2022-10-16 03:54:56,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[290122,290135] [2022-10-16 03:54:56,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:54:56,478 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:54:56,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56 WrapperNode [2022-10-16 03:54:56,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:54:56,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:54:56,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:54:56,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:54:56,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:56,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:56,893 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12453 [2022-10-16 03:54:56,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:54:56,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:54:56,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:54:56,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:54:56,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:56,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:56,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:56,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:57,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:57,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:57,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:57,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:57,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:54:57,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:54:57,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:54:57,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:54:57,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (1/1) ... [2022-10-16 03:54:57,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:54:57,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:54:57,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 03:54:57,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 03:54:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:54:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:54:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:54:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:54:57,917 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:54:57,920 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:55:03,625 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:55:03,669 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:55:03,670 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:55:03,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:55:03 BoogieIcfgContainer [2022-10-16 03:55:03,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:55:03,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:55:03,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:55:03,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:55:03,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:54:52" (1/3) ... [2022-10-16 03:55:03,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3533703b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:55:03, skipping insertion in model container [2022-10-16 03:55:03,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:54:56" (2/3) ... [2022-10-16 03:55:03,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3533703b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:55:03, skipping insertion in model container [2022-10-16 03:55:03,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:55:03" (3/3) ... [2022-10-16 03:55:03,691 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2022-10-16 03:55:03,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:55:03,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2022-10-16 03:55:03,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:55:03,820 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;@1b1abf47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:55:03,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2022-10-16 03:55:03,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 2542 states, 2518 states have (on average 1.7593328038125498) internal successors, (4430), 2541 states have internal predecessors, (4430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:55:03,859 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:03,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:55:03,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:03,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:03,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1267845, now seen corresponding path program 1 times [2022-10-16 03:55:03,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:03,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977949707] [2022-10-16 03:55:03,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:03,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:04,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:04,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977949707] [2022-10-16 03:55:04,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977949707] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:04,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:04,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:55:04,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3685001] [2022-10-16 03:55:04,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:04,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:55:04,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:04,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:55:04,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:55:04,518 INFO L87 Difference]: Start difference. First operand has 2542 states, 2518 states have (on average 1.7593328038125498) internal successors, (4430), 2541 states have internal predecessors, (4430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:04,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:04,738 INFO L93 Difference]: Finished difference Result 2541 states and 4407 transitions. [2022-10-16 03:55:04,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:55:04,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 03:55:04,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:04,772 INFO L225 Difference]: With dead ends: 2541 [2022-10-16 03:55:04,772 INFO L226 Difference]: Without dead ends: 2538 [2022-10-16 03:55:04,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:55:04,779 INFO L413 NwaCegarLoop]: 4406 mSDtfsCounter, 4404 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4404 SdHoareTripleChecker+Valid, 4406 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:04,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4404 Valid, 4406 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:55:04,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2022-10-16 03:55:04,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2538. [2022-10-16 03:55:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2538 states, 2516 states have (on average 1.2746422893481717) internal successors, (3207), 2537 states have internal predecessors, (3207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 3207 transitions. [2022-10-16 03:55:04,959 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 3207 transitions. Word has length 4 [2022-10-16 03:55:04,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:04,960 INFO L495 AbstractCegarLoop]: Abstraction has 2538 states and 3207 transitions. [2022-10-16 03:55:04,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:04,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3207 transitions. [2022-10-16 03:55:04,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:55:04,979 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:04,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:04,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:55:04,980 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:04,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:04,981 INFO L85 PathProgramCache]: Analyzing trace with hash -876960142, now seen corresponding path program 1 times [2022-10-16 03:55:04,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:04,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124004260] [2022-10-16 03:55:04,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:04,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:05,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:05,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124004260] [2022-10-16 03:55:05,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124004260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:05,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:05,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:55:05,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311357359] [2022-10-16 03:55:05,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:05,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:55:05,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:05,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:55:05,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:55:05,540 INFO L87 Difference]: Start difference. First operand 2538 states and 3207 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:08,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:08,093 INFO L93 Difference]: Finished difference Result 2941 states and 3801 transitions. [2022-10-16 03:55:08,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:55:08,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 03:55:08,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:08,109 INFO L225 Difference]: With dead ends: 2941 [2022-10-16 03:55:08,109 INFO L226 Difference]: Without dead ends: 2941 [2022-10-16 03:55:08,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:55:08,111 INFO L413 NwaCegarLoop]: 1242 mSDtfsCounter, 10080 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10080 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:08,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10080 Valid, 1819 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 2004 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:55:08,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2022-10-16 03:55:08,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2755. [2022-10-16 03:55:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2733 states have (on average 1.3241858763263812) internal successors, (3619), 2754 states have internal predecessors, (3619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:08,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3619 transitions. [2022-10-16 03:55:08,190 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3619 transitions. Word has length 87 [2022-10-16 03:55:08,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:08,190 INFO L495 AbstractCegarLoop]: Abstraction has 2755 states and 3619 transitions. [2022-10-16 03:55:08,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3619 transitions. [2022-10-16 03:55:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:55:08,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:08,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:08,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:55:08,200 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:08,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:08,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1410328050, now seen corresponding path program 1 times [2022-10-16 03:55:08,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:08,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692582112] [2022-10-16 03:55:08,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:08,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:08,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:08,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692582112] [2022-10-16 03:55:08,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692582112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:08,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:08,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:55:08,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501553388] [2022-10-16 03:55:08,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:08,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:55:08,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:08,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:55:08,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:55:08,574 INFO L87 Difference]: Start difference. First operand 2755 states and 3619 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:09,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:09,500 INFO L93 Difference]: Finished difference Result 1713 states and 2256 transitions. [2022-10-16 03:55:09,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:55:09,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 03:55:09,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:09,510 INFO L225 Difference]: With dead ends: 1713 [2022-10-16 03:55:09,510 INFO L226 Difference]: Without dead ends: 1713 [2022-10-16 03:55:09,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:55:09,512 INFO L413 NwaCegarLoop]: 794 mSDtfsCounter, 4657 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4657 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:09,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4657 Valid, 830 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:55:09,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-10-16 03:55:09,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2022-10-16 03:55:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1691 states have (on average 1.3341218214074513) internal successors, (2256), 1712 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2256 transitions. [2022-10-16 03:55:09,564 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2256 transitions. Word has length 87 [2022-10-16 03:55:09,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:09,565 INFO L495 AbstractCegarLoop]: Abstraction has 1713 states and 2256 transitions. [2022-10-16 03:55:09,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:09,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2256 transitions. [2022-10-16 03:55:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:55:09,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:09,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:09,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:55:09,571 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:09,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:09,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1125625269, now seen corresponding path program 1 times [2022-10-16 03:55:09,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:09,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198500539] [2022-10-16 03:55:09,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:09,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:09,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:09,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198500539] [2022-10-16 03:55:09,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198500539] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:09,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:09,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:55:09,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633722239] [2022-10-16 03:55:09,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:09,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:55:09,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:09,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:55:09,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:55:09,905 INFO L87 Difference]: Start difference. First operand 1713 states and 2256 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:10,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:10,537 INFO L93 Difference]: Finished difference Result 1257 states and 1670 transitions. [2022-10-16 03:55:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:55:10,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 03:55:10,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:10,548 INFO L225 Difference]: With dead ends: 1257 [2022-10-16 03:55:10,548 INFO L226 Difference]: Without dead ends: 1257 [2022-10-16 03:55:10,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:55:10,554 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 3393 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3393 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:10,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3393 Valid, 658 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:55:10,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2022-10-16 03:55:10,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1257. [2022-10-16 03:55:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 1235 states have (on average 1.3522267206477734) internal successors, (1670), 1256 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1670 transitions. [2022-10-16 03:55:10,593 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1670 transitions. Word has length 87 [2022-10-16 03:55:10,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:10,594 INFO L495 AbstractCegarLoop]: Abstraction has 1257 states and 1670 transitions. [2022-10-16 03:55:10,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:10,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1670 transitions. [2022-10-16 03:55:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 03:55:10,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:10,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:10,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:55:10,602 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:10,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:10,602 INFO L85 PathProgramCache]: Analyzing trace with hash -229604869, now seen corresponding path program 1 times [2022-10-16 03:55:10,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:10,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927069520] [2022-10-16 03:55:10,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:10,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:10,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:10,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927069520] [2022-10-16 03:55:10,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927069520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:10,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:10,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:55:10,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966938327] [2022-10-16 03:55:10,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:10,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:55:10,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:10,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:55:10,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:55:10,949 INFO L87 Difference]: Start difference. First operand 1257 states and 1670 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:11,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:11,469 INFO L93 Difference]: Finished difference Result 1122 states and 1505 transitions. [2022-10-16 03:55:11,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:55:11,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 03:55:11,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:11,480 INFO L225 Difference]: With dead ends: 1122 [2022-10-16 03:55:11,480 INFO L226 Difference]: Without dead ends: 1122 [2022-10-16 03:55:11,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:55:11,485 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 3035 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:11,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 597 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:55:11,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2022-10-16 03:55:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1122. [2022-10-16 03:55:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1100 states have (on average 1.3681818181818182) internal successors, (1505), 1121 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1505 transitions. [2022-10-16 03:55:11,523 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1505 transitions. Word has length 89 [2022-10-16 03:55:11,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:11,524 INFO L495 AbstractCegarLoop]: Abstraction has 1122 states and 1505 transitions. [2022-10-16 03:55:11,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1505 transitions. [2022-10-16 03:55:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 03:55:11,534 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:11,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:11,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:55:11,535 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:11,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:11,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1455647616, now seen corresponding path program 1 times [2022-10-16 03:55:11,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:11,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689431634] [2022-10-16 03:55:11,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:11,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:11,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:11,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689431634] [2022-10-16 03:55:11,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689431634] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:11,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:11,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:55:11,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086836773] [2022-10-16 03:55:11,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:11,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:55:11,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:11,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:55:11,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:55:11,838 INFO L87 Difference]: Start difference. First operand 1122 states and 1505 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:12,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:12,280 INFO L93 Difference]: Finished difference Result 1002 states and 1351 transitions. [2022-10-16 03:55:12,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:55:12,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 03:55:12,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:12,287 INFO L225 Difference]: With dead ends: 1002 [2022-10-16 03:55:12,287 INFO L226 Difference]: Without dead ends: 1002 [2022-10-16 03:55:12,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:55:12,288 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 2688 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:12,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2688 Valid, 557 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:55:12,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2022-10-16 03:55:12,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 1002. [2022-10-16 03:55:12,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 980 states have (on average 1.3785714285714286) internal successors, (1351), 1001 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:12,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1351 transitions. [2022-10-16 03:55:12,317 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1351 transitions. Word has length 91 [2022-10-16 03:55:12,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:12,317 INFO L495 AbstractCegarLoop]: Abstraction has 1002 states and 1351 transitions. [2022-10-16 03:55:12,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:12,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1351 transitions. [2022-10-16 03:55:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:55:12,321 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:12,321 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:12,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:55:12,321 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:12,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:12,322 INFO L85 PathProgramCache]: Analyzing trace with hash 591523847, now seen corresponding path program 1 times [2022-10-16 03:55:12,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:12,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914201322] [2022-10-16 03:55:12,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:12,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:12,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:12,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914201322] [2022-10-16 03:55:12,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914201322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:12,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:12,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:55:12,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445282616] [2022-10-16 03:55:12,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:12,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:55:12,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:12,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:55:12,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:55:12,602 INFO L87 Difference]: Start difference. First operand 1002 states and 1351 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:13,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:13,172 INFO L93 Difference]: Finished difference Result 994 states and 1340 transitions. [2022-10-16 03:55:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:55:13,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 03:55:13,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:13,178 INFO L225 Difference]: With dead ends: 994 [2022-10-16 03:55:13,179 INFO L226 Difference]: Without dead ends: 994 [2022-10-16 03:55:13,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:55:13,180 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 2541 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2541 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:13,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2541 Valid, 482 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:55:13,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2022-10-16 03:55:13,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 994. [2022-10-16 03:55:13,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3786008230452675) internal successors, (1340), 993 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1340 transitions. [2022-10-16 03:55:13,214 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1340 transitions. Word has length 93 [2022-10-16 03:55:13,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:13,215 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1340 transitions. [2022-10-16 03:55:13,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1340 transitions. [2022-10-16 03:55:13,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:55:13,219 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:13,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:13,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:55:13,219 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:13,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:13,220 INFO L85 PathProgramCache]: Analyzing trace with hash 328441748, now seen corresponding path program 1 times [2022-10-16 03:55:13,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:13,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165989927] [2022-10-16 03:55:13,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:13,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:13,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:13,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:13,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165989927] [2022-10-16 03:55:13,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165989927] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:13,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:13,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:55:13,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794515943] [2022-10-16 03:55:13,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:13,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:55:13,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:13,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:55:13,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:55:13,978 INFO L87 Difference]: Start difference. First operand 994 states and 1340 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:15,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:15,046 INFO L93 Difference]: Finished difference Result 1357 states and 1768 transitions. [2022-10-16 03:55:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:55:15,047 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 03:55:15,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:15,054 INFO L225 Difference]: With dead ends: 1357 [2022-10-16 03:55:15,054 INFO L226 Difference]: Without dead ends: 1357 [2022-10-16 03:55:15,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:55:15,055 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 5229 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5229 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:15,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5229 Valid, 1187 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:55:15,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2022-10-16 03:55:15,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 994. [2022-10-16 03:55:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3775720164609053) internal successors, (1339), 993 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1339 transitions. [2022-10-16 03:55:15,087 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1339 transitions. Word has length 95 [2022-10-16 03:55:15,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:15,087 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1339 transitions. [2022-10-16 03:55:15,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1339 transitions. [2022-10-16 03:55:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:55:15,090 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:15,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:15,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:55:15,091 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:15,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:15,091 INFO L85 PathProgramCache]: Analyzing trace with hash 556118932, now seen corresponding path program 1 times [2022-10-16 03:55:15,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:15,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665962710] [2022-10-16 03:55:15,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:15,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:15,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:15,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665962710] [2022-10-16 03:55:15,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665962710] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:15,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:15,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:55:15,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176679665] [2022-10-16 03:55:15,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:15,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:55:15,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:15,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:55:15,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:55:15,792 INFO L87 Difference]: Start difference. First operand 994 states and 1339 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:17,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:17,654 INFO L93 Difference]: Finished difference Result 1874 states and 2546 transitions. [2022-10-16 03:55:17,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:55:17,654 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 03:55:17,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:17,664 INFO L225 Difference]: With dead ends: 1874 [2022-10-16 03:55:17,664 INFO L226 Difference]: Without dead ends: 1874 [2022-10-16 03:55:17,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:55:17,667 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 5180 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 2374 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5180 SdHoareTripleChecker+Valid, 3045 SdHoareTripleChecker+Invalid, 2498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:17,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5180 Valid, 3045 Invalid, 2498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2374 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:55:17,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2022-10-16 03:55:17,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1009. [2022-10-16 03:55:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 987 states have (on average 1.3779128672745693) internal successors, (1360), 1008 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1360 transitions. [2022-10-16 03:55:17,707 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1360 transitions. Word has length 95 [2022-10-16 03:55:17,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:17,708 INFO L495 AbstractCegarLoop]: Abstraction has 1009 states and 1360 transitions. [2022-10-16 03:55:17,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1360 transitions. [2022-10-16 03:55:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:55:17,711 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:17,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:17,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:55:17,712 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:17,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:17,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1407707980, now seen corresponding path program 1 times [2022-10-16 03:55:17,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:17,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144781414] [2022-10-16 03:55:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:17,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:18,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:18,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144781414] [2022-10-16 03:55:18,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144781414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:18,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:18,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:55:18,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055679081] [2022-10-16 03:55:18,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:18,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:55:18,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:18,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:55:18,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:55:18,481 INFO L87 Difference]: Start difference. First operand 1009 states and 1360 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:20,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:20,306 INFO L93 Difference]: Finished difference Result 1900 states and 2573 transitions. [2022-10-16 03:55:20,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:55:20,307 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 03:55:20,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:20,317 INFO L225 Difference]: With dead ends: 1900 [2022-10-16 03:55:20,317 INFO L226 Difference]: Without dead ends: 1900 [2022-10-16 03:55:20,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:55:20,318 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 4855 mSDsluCounter, 2585 mSDsCounter, 0 mSdLazyCounter, 2325 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4855 SdHoareTripleChecker+Valid, 3122 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 2325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:20,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4855 Valid, 3122 Invalid, 2439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 2325 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:55:20,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-10-16 03:55:20,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1014. [2022-10-16 03:55:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.376008064516129) internal successors, (1365), 1013 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1365 transitions. [2022-10-16 03:55:20,362 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1365 transitions. Word has length 95 [2022-10-16 03:55:20,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:20,362 INFO L495 AbstractCegarLoop]: Abstraction has 1014 states and 1365 transitions. [2022-10-16 03:55:20,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1365 transitions. [2022-10-16 03:55:20,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:55:20,365 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:20,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:20,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:55:20,366 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:20,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:20,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1248781324, now seen corresponding path program 1 times [2022-10-16 03:55:20,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:20,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32536916] [2022-10-16 03:55:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:20,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:21,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:21,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32536916] [2022-10-16 03:55:21,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32536916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:21,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:21,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:55:21,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358830142] [2022-10-16 03:55:21,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:21,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:55:21,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:21,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:55:21,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:55:21,101 INFO L87 Difference]: Start difference. First operand 1014 states and 1365 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:23,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:23,112 INFO L93 Difference]: Finished difference Result 1858 states and 2501 transitions. [2022-10-16 03:55:23,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:55:23,113 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 03:55:23,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:23,124 INFO L225 Difference]: With dead ends: 1858 [2022-10-16 03:55:23,124 INFO L226 Difference]: Without dead ends: 1858 [2022-10-16 03:55:23,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:55:23,126 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 3682 mSDsluCounter, 3033 mSDsCounter, 0 mSdLazyCounter, 2978 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3682 SdHoareTripleChecker+Valid, 3629 SdHoareTripleChecker+Invalid, 3113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 2978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:23,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3682 Valid, 3629 Invalid, 3113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 2978 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 03:55:23,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2022-10-16 03:55:23,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1018. [2022-10-16 03:55:23,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 996 states have (on average 1.3765060240963856) internal successors, (1371), 1017 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:23,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1371 transitions. [2022-10-16 03:55:23,161 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1371 transitions. Word has length 95 [2022-10-16 03:55:23,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:23,161 INFO L495 AbstractCegarLoop]: Abstraction has 1018 states and 1371 transitions. [2022-10-16 03:55:23,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:23,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1371 transitions. [2022-10-16 03:55:23,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:55:23,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:23,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:23,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:55:23,165 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:23,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:23,166 INFO L85 PathProgramCache]: Analyzing trace with hash -65064876, now seen corresponding path program 1 times [2022-10-16 03:55:23,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:23,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899783710] [2022-10-16 03:55:23,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:23,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:23,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:23,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899783710] [2022-10-16 03:55:23,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899783710] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:23,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:23,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:55:23,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000402620] [2022-10-16 03:55:23,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:23,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:55:23,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:23,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:55:23,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:55:23,801 INFO L87 Difference]: Start difference. First operand 1018 states and 1371 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:25,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:25,900 INFO L93 Difference]: Finished difference Result 1866 states and 2509 transitions. [2022-10-16 03:55:25,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:55:25,901 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 03:55:25,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:25,910 INFO L225 Difference]: With dead ends: 1866 [2022-10-16 03:55:25,911 INFO L226 Difference]: Without dead ends: 1866 [2022-10-16 03:55:25,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:55:25,912 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 4986 mSDsluCounter, 3030 mSDsCounter, 0 mSdLazyCounter, 2981 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4986 SdHoareTripleChecker+Valid, 3626 SdHoareTripleChecker+Invalid, 3176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 2981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:25,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4986 Valid, 3626 Invalid, 3176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 2981 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 03:55:25,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2022-10-16 03:55:25,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1034. [2022-10-16 03:55:25,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1012 states have (on average 1.3764822134387351) internal successors, (1393), 1033 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:25,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1393 transitions. [2022-10-16 03:55:25,949 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1393 transitions. Word has length 95 [2022-10-16 03:55:25,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:25,950 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1393 transitions. [2022-10-16 03:55:25,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:25,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1393 transitions. [2022-10-16 03:55:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:55:25,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:25,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:25,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:55:25,954 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:25,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:25,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1071889132, now seen corresponding path program 1 times [2022-10-16 03:55:25,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:25,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872595386] [2022-10-16 03:55:25,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:25,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:26,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:26,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:26,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872595386] [2022-10-16 03:55:26,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872595386] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:26,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:26,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:26,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208995591] [2022-10-16 03:55:26,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:26,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:26,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:26,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:26,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:26,431 INFO L87 Difference]: Start difference. First operand 1034 states and 1393 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:27,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:27,798 INFO L93 Difference]: Finished difference Result 1809 states and 2445 transitions. [2022-10-16 03:55:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:27,799 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 03:55:27,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:27,809 INFO L225 Difference]: With dead ends: 1809 [2022-10-16 03:55:27,809 INFO L226 Difference]: Without dead ends: 1809 [2022-10-16 03:55:27,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:27,810 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 2622 mSDsluCounter, 1863 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:27,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 2460 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1873 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:55:27,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2022-10-16 03:55:27,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1034. [2022-10-16 03:55:27,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1012 states have (on average 1.3754940711462451) internal successors, (1392), 1033 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:27,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1392 transitions. [2022-10-16 03:55:27,840 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1392 transitions. Word has length 95 [2022-10-16 03:55:27,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:27,840 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1392 transitions. [2022-10-16 03:55:27,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1392 transitions. [2022-10-16 03:55:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:55:27,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:27,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:27,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:55:27,844 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:27,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:27,844 INFO L85 PathProgramCache]: Analyzing trace with hash -485803098, now seen corresponding path program 1 times [2022-10-16 03:55:27,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:27,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078402687] [2022-10-16 03:55:27,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:27,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:28,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:28,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078402687] [2022-10-16 03:55:28,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078402687] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:28,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:28,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:28,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748764407] [2022-10-16 03:55:28,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:28,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:28,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:28,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:28,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:28,478 INFO L87 Difference]: Start difference. First operand 1034 states and 1392 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:29,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:29,969 INFO L93 Difference]: Finished difference Result 1224 states and 1674 transitions. [2022-10-16 03:55:29,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:29,971 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 03:55:29,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:29,977 INFO L225 Difference]: With dead ends: 1224 [2022-10-16 03:55:29,978 INFO L226 Difference]: Without dead ends: 1224 [2022-10-16 03:55:29,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:29,979 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 3155 mSDsluCounter, 2426 mSDsCounter, 0 mSdLazyCounter, 2087 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 2963 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:29,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3155 Valid, 2963 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2087 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:55:29,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2022-10-16 03:55:29,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 994. [2022-10-16 03:55:30,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.375514403292181) internal successors, (1337), 993 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1337 transitions. [2022-10-16 03:55:30,004 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1337 transitions. Word has length 96 [2022-10-16 03:55:30,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:30,004 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1337 transitions. [2022-10-16 03:55:30,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1337 transitions. [2022-10-16 03:55:30,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:55:30,007 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:30,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:30,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:55:30,008 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:30,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:30,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1164032538, now seen corresponding path program 1 times [2022-10-16 03:55:30,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:30,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114577053] [2022-10-16 03:55:30,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:30,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:30,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:30,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114577053] [2022-10-16 03:55:30,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114577053] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:30,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:30,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:30,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067503826] [2022-10-16 03:55:30,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:30,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:30,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:30,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:30,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:30,474 INFO L87 Difference]: Start difference. First operand 994 states and 1337 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:31,840 INFO L93 Difference]: Finished difference Result 1764 states and 2383 transitions. [2022-10-16 03:55:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:31,841 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 03:55:31,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:31,850 INFO L225 Difference]: With dead ends: 1764 [2022-10-16 03:55:31,851 INFO L226 Difference]: Without dead ends: 1764 [2022-10-16 03:55:31,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:31,853 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 3851 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3851 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:31,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3851 Valid, 2361 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:55:31,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2022-10-16 03:55:31,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 994. [2022-10-16 03:55:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.374485596707819) internal successors, (1336), 993 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1336 transitions. [2022-10-16 03:55:31,908 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1336 transitions. Word has length 96 [2022-10-16 03:55:31,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:31,909 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1336 transitions. [2022-10-16 03:55:31,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:31,910 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1336 transitions. [2022-10-16 03:55:31,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:55:31,912 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:31,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:31,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:55:31,913 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:31,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:31,914 INFO L85 PathProgramCache]: Analyzing trace with hash -666876154, now seen corresponding path program 1 times [2022-10-16 03:55:31,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:31,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183340842] [2022-10-16 03:55:31,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:31,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:32,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:32,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183340842] [2022-10-16 03:55:32,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183340842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:32,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:32,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:32,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978697202] [2022-10-16 03:55:32,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:32,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:32,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:32,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:32,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:32,445 INFO L87 Difference]: Start difference. First operand 994 states and 1336 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:33,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:33,841 INFO L93 Difference]: Finished difference Result 1764 states and 2382 transitions. [2022-10-16 03:55:33,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:33,841 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 03:55:33,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:33,851 INFO L225 Difference]: With dead ends: 1764 [2022-10-16 03:55:33,851 INFO L226 Difference]: Without dead ends: 1764 [2022-10-16 03:55:33,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:33,852 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 2641 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2641 SdHoareTripleChecker+Valid, 2364 SdHoareTripleChecker+Invalid, 1935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:33,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2641 Valid, 2364 Invalid, 1935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:55:33,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2022-10-16 03:55:33,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 994. [2022-10-16 03:55:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.373456790123457) internal successors, (1335), 993 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1335 transitions. [2022-10-16 03:55:33,877 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1335 transitions. Word has length 96 [2022-10-16 03:55:33,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:33,878 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1335 transitions. [2022-10-16 03:55:33,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1335 transitions. [2022-10-16 03:55:33,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:55:33,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:33,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:33,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:55:33,882 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:33,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:33,882 INFO L85 PathProgramCache]: Analyzing trace with hash 712350950, now seen corresponding path program 1 times [2022-10-16 03:55:33,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:33,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665937771] [2022-10-16 03:55:33,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:33,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:34,289 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 03:55:34,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:34,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665937771] [2022-10-16 03:55:34,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665937771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:34,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:34,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:34,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867531435] [2022-10-16 03:55:34,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:34,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:34,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:34,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:34,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:34,292 INFO L87 Difference]: Start difference. First operand 994 states and 1335 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:35,600 INFO L93 Difference]: Finished difference Result 1812 states and 2463 transitions. [2022-10-16 03:55:35,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:35,601 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 03:55:35,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:35,613 INFO L225 Difference]: With dead ends: 1812 [2022-10-16 03:55:35,613 INFO L226 Difference]: Without dead ends: 1812 [2022-10-16 03:55:35,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:35,614 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 2647 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 1831 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2647 SdHoareTripleChecker+Valid, 2490 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:35,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2647 Valid, 2490 Invalid, 1898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1831 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:55:35,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-10-16 03:55:35,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 994. [2022-10-16 03:55:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3724279835390947) internal successors, (1334), 993 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1334 transitions. [2022-10-16 03:55:35,638 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1334 transitions. Word has length 96 [2022-10-16 03:55:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:35,638 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1334 transitions. [2022-10-16 03:55:35,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1334 transitions. [2022-10-16 03:55:35,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:55:35,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:35,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:35,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:55:35,642 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:35,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:35,642 INFO L85 PathProgramCache]: Analyzing trace with hash -970429882, now seen corresponding path program 1 times [2022-10-16 03:55:35,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:35,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937967813] [2022-10-16 03:55:35,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:35,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:36,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:36,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937967813] [2022-10-16 03:55:36,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937967813] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:36,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:36,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:36,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076686899] [2022-10-16 03:55:36,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:36,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:36,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:36,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:36,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:36,087 INFO L87 Difference]: Start difference. First operand 994 states and 1334 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:37,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:37,419 INFO L93 Difference]: Finished difference Result 1812 states and 2462 transitions. [2022-10-16 03:55:37,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:37,420 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 03:55:37,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:37,425 INFO L225 Difference]: With dead ends: 1812 [2022-10-16 03:55:37,425 INFO L226 Difference]: Without dead ends: 1812 [2022-10-16 03:55:37,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:37,427 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 3910 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 1823 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3910 SdHoareTripleChecker+Valid, 2496 SdHoareTripleChecker+Invalid, 1926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:37,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3910 Valid, 2496 Invalid, 1926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1823 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:55:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-10-16 03:55:37,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 994. [2022-10-16 03:55:37,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3713991769547325) internal successors, (1333), 993 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:37,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1333 transitions. [2022-10-16 03:55:37,449 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1333 transitions. Word has length 96 [2022-10-16 03:55:37,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:37,450 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1333 transitions. [2022-10-16 03:55:37,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1333 transitions. [2022-10-16 03:55:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:55:37,453 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:37,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:37,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:55:37,453 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:37,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:37,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1887012889, now seen corresponding path program 1 times [2022-10-16 03:55:37,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:37,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396966945] [2022-10-16 03:55:37,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:37,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:38,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:38,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396966945] [2022-10-16 03:55:38,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396966945] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:38,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:38,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 03:55:38,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069701877] [2022-10-16 03:55:38,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:38,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 03:55:38,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:38,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 03:55:38,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:55:38,287 INFO L87 Difference]: Start difference. First operand 994 states and 1333 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 10 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:40,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:40,098 INFO L93 Difference]: Finished difference Result 1464 states and 2018 transitions. [2022-10-16 03:55:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 03:55:40,099 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 10 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:55:40,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:40,102 INFO L225 Difference]: With dead ends: 1464 [2022-10-16 03:55:40,102 INFO L226 Difference]: Without dead ends: 1464 [2022-10-16 03:55:40,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:55:40,103 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 4785 mSDsluCounter, 2545 mSDsCounter, 0 mSdLazyCounter, 2361 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4785 SdHoareTripleChecker+Valid, 3211 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:40,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4785 Valid, 3211 Invalid, 2420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2361 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:55:40,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2022-10-16 03:55:40,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 994. [2022-10-16 03:55:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3693415637860082) internal successors, (1331), 993 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1331 transitions. [2022-10-16 03:55:40,122 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1331 transitions. Word has length 97 [2022-10-16 03:55:40,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:40,123 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1331 transitions. [2022-10-16 03:55:40,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 10 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1331 transitions. [2022-10-16 03:55:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:55:40,125 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:40,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:40,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:55:40,126 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:40,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:40,126 INFO L85 PathProgramCache]: Analyzing trace with hash -2083812519, now seen corresponding path program 1 times [2022-10-16 03:55:40,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:40,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067598040] [2022-10-16 03:55:40,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:40,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:40,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:40,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067598040] [2022-10-16 03:55:40,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067598040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:40,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:40,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:40,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521233364] [2022-10-16 03:55:40,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:40,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:40,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:40,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:40,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:40,547 INFO L87 Difference]: Start difference. First operand 994 states and 1331 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:41,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:41,837 INFO L93 Difference]: Finished difference Result 1764 states and 2374 transitions. [2022-10-16 03:55:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:41,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:55:41,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:41,840 INFO L225 Difference]: With dead ends: 1764 [2022-10-16 03:55:41,840 INFO L226 Difference]: Without dead ends: 1764 [2022-10-16 03:55:41,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:41,841 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 2611 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2611 SdHoareTripleChecker+Valid, 2424 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:41,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2611 Valid, 2424 Invalid, 1963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1842 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:55:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2022-10-16 03:55:41,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 994. [2022-10-16 03:55:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.367283950617284) internal successors, (1329), 993 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1329 transitions. [2022-10-16 03:55:41,863 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1329 transitions. Word has length 97 [2022-10-16 03:55:41,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:41,863 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1329 transitions. [2022-10-16 03:55:41,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1329 transitions. [2022-10-16 03:55:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:55:41,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:41,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:41,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:55:41,866 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:41,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1112735129, now seen corresponding path program 1 times [2022-10-16 03:55:41,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:41,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721839095] [2022-10-16 03:55:41,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:41,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:42,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:42,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721839095] [2022-10-16 03:55:42,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721839095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:42,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:42,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:42,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759281893] [2022-10-16 03:55:42,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:42,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:42,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:42,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:42,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:42,299 INFO L87 Difference]: Start difference. First operand 994 states and 1329 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:43,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:43,649 INFO L93 Difference]: Finished difference Result 1812 states and 2452 transitions. [2022-10-16 03:55:43,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:43,650 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:55:43,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:43,653 INFO L225 Difference]: With dead ends: 1812 [2022-10-16 03:55:43,653 INFO L226 Difference]: Without dead ends: 1812 [2022-10-16 03:55:43,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:43,654 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 5236 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5236 SdHoareTripleChecker+Valid, 2483 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:43,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5236 Valid, 2483 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:55:43,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-10-16 03:55:43,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 994. [2022-10-16 03:55:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3652263374485596) internal successors, (1327), 993 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1327 transitions. [2022-10-16 03:55:43,676 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1327 transitions. Word has length 97 [2022-10-16 03:55:43,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:43,676 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1327 transitions. [2022-10-16 03:55:43,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:43,677 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1327 transitions. [2022-10-16 03:55:43,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:55:43,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:43,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:43,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:55:43,679 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:43,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:43,680 INFO L85 PathProgramCache]: Analyzing trace with hash 759964249, now seen corresponding path program 1 times [2022-10-16 03:55:43,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:43,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274898577] [2022-10-16 03:55:43,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:43,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:44,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:44,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:44,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274898577] [2022-10-16 03:55:44,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274898577] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:44,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:44,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:44,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995859382] [2022-10-16 03:55:44,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:44,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:44,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:44,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:44,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:44,076 INFO L87 Difference]: Start difference. First operand 994 states and 1327 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:45,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:45,457 INFO L93 Difference]: Finished difference Result 1764 states and 2370 transitions. [2022-10-16 03:55:45,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:45,460 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:55:45,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:45,465 INFO L225 Difference]: With dead ends: 1764 [2022-10-16 03:55:45,465 INFO L226 Difference]: Without dead ends: 1764 [2022-10-16 03:55:45,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:45,473 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 3722 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3722 SdHoareTripleChecker+Valid, 2482 SdHoareTripleChecker+Invalid, 2041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:45,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3722 Valid, 2482 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:55:45,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2022-10-16 03:55:45,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 994. [2022-10-16 03:55:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3631687242798354) internal successors, (1325), 993 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1325 transitions. [2022-10-16 03:55:45,497 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1325 transitions. Word has length 97 [2022-10-16 03:55:45,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:45,497 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1325 transitions. [2022-10-16 03:55:45,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1325 transitions. [2022-10-16 03:55:45,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:55:45,500 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:45,500 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:45,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:55:45,500 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:45,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:45,501 INFO L85 PathProgramCache]: Analyzing trace with hash -639309095, now seen corresponding path program 1 times [2022-10-16 03:55:45,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:45,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188591526] [2022-10-16 03:55:45,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:45,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:45,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:45,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188591526] [2022-10-16 03:55:45,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188591526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:45,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:45,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:45,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466995875] [2022-10-16 03:55:45,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:45,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:45,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:45,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:45,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:45,967 INFO L87 Difference]: Start difference. First operand 994 states and 1325 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:47,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:47,283 INFO L93 Difference]: Finished difference Result 1812 states and 2446 transitions. [2022-10-16 03:55:47,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:47,284 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:55:47,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:47,287 INFO L225 Difference]: With dead ends: 1812 [2022-10-16 03:55:47,287 INFO L226 Difference]: Without dead ends: 1812 [2022-10-16 03:55:47,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:47,288 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 3890 mSDsluCounter, 1906 mSDsCounter, 0 mSdLazyCounter, 1800 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3890 SdHoareTripleChecker+Valid, 2493 SdHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:47,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3890 Valid, 2493 Invalid, 1903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1800 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:55:47,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-10-16 03:55:47,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 994. [2022-10-16 03:55:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3611111111111112) internal successors, (1323), 993 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1323 transitions. [2022-10-16 03:55:47,309 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1323 transitions. Word has length 97 [2022-10-16 03:55:47,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:47,310 INFO L495 AbstractCegarLoop]: Abstraction has 994 states and 1323 transitions. [2022-10-16 03:55:47,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1323 transitions. [2022-10-16 03:55:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:55:47,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:47,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:47,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:55:47,313 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:47,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:47,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1525936807, now seen corresponding path program 1 times [2022-10-16 03:55:47,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:47,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972431290] [2022-10-16 03:55:47,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:47,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:47,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972431290] [2022-10-16 03:55:47,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972431290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:47,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:47,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:47,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466018867] [2022-10-16 03:55:47,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:47,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:47,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:47,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:47,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:47,691 INFO L87 Difference]: Start difference. First operand 994 states and 1323 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:49,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:49,057 INFO L93 Difference]: Finished difference Result 1763 states and 2366 transitions. [2022-10-16 03:55:49,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:49,058 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:55:49,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:49,062 INFO L225 Difference]: With dead ends: 1763 [2022-10-16 03:55:49,062 INFO L226 Difference]: Without dead ends: 1763 [2022-10-16 03:55:49,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:49,063 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 2549 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2549 SdHoareTripleChecker+Valid, 2521 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:49,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2549 Valid, 2521 Invalid, 1992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1873 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:55:49,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2022-10-16 03:55:49,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 993. [2022-10-16 03:55:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.360453141091658) internal successors, (1321), 992 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1321 transitions. [2022-10-16 03:55:49,084 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1321 transitions. Word has length 97 [2022-10-16 03:55:49,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:49,084 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1321 transitions. [2022-10-16 03:55:49,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1321 transitions. [2022-10-16 03:55:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:55:49,087 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:49,087 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:49,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:55:49,087 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:49,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:49,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1939604839, now seen corresponding path program 1 times [2022-10-16 03:55:49,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:49,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036952674] [2022-10-16 03:55:49,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:49,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:49,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:49,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036952674] [2022-10-16 03:55:49,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036952674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:49,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:49,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:49,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939938115] [2022-10-16 03:55:49,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:49,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:49,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:49,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:49,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:49,465 INFO L87 Difference]: Start difference. First operand 993 states and 1321 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:50,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:50,815 INFO L93 Difference]: Finished difference Result 1810 states and 2441 transitions. [2022-10-16 03:55:50,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:50,816 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:55:50,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:50,820 INFO L225 Difference]: With dead ends: 1810 [2022-10-16 03:55:50,821 INFO L226 Difference]: Without dead ends: 1810 [2022-10-16 03:55:50,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:50,822 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 2591 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 2497 SdHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:50,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 2497 Invalid, 1853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:55:50,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2022-10-16 03:55:50,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 993. [2022-10-16 03:55:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3594232749742534) internal successors, (1320), 992 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1320 transitions. [2022-10-16 03:55:50,841 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1320 transitions. Word has length 97 [2022-10-16 03:55:50,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:50,841 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1320 transitions. [2022-10-16 03:55:50,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:50,842 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1320 transitions. [2022-10-16 03:55:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:55:50,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:50,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:50,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:55:50,845 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:50,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:50,845 INFO L85 PathProgramCache]: Analyzing trace with hash -796530713, now seen corresponding path program 1 times [2022-10-16 03:55:50,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:50,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606795655] [2022-10-16 03:55:50,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:50,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:51,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:51,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606795655] [2022-10-16 03:55:51,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606795655] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:51,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:51,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:51,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060462371] [2022-10-16 03:55:51,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:51,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:51,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:51,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:51,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:51,292 INFO L87 Difference]: Start difference. First operand 993 states and 1320 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:52,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:52,984 INFO L93 Difference]: Finished difference Result 1865 states and 2543 transitions. [2022-10-16 03:55:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:52,985 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:55:52,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:52,989 INFO L225 Difference]: With dead ends: 1865 [2022-10-16 03:55:52,989 INFO L226 Difference]: Without dead ends: 1865 [2022-10-16 03:55:52,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:55:52,990 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 4071 mSDsluCounter, 2756 mSDsCounter, 0 mSdLazyCounter, 2529 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4071 SdHoareTripleChecker+Valid, 3627 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:52,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4071 Valid, 3627 Invalid, 2567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2529 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:55:52,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2022-10-16 03:55:53,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 993. [2022-10-16 03:55:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3583934088568486) internal successors, (1319), 992 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1319 transitions. [2022-10-16 03:55:53,012 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1319 transitions. Word has length 97 [2022-10-16 03:55:53,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:53,012 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1319 transitions. [2022-10-16 03:55:53,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1319 transitions. [2022-10-16 03:55:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:55:53,015 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:53,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:53,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:55:53,015 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:53,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:53,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1267448231, now seen corresponding path program 1 times [2022-10-16 03:55:53,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:53,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297145666] [2022-10-16 03:55:53,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:53,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:53,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:53,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:53,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297145666] [2022-10-16 03:55:53,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297145666] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:53,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:53,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:55:53,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95388091] [2022-10-16 03:55:53,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:53,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:55:53,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:53,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:55:53,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:55:53,702 INFO L87 Difference]: Start difference. First operand 993 states and 1319 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:57,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:57,060 INFO L93 Difference]: Finished difference Result 3161 states and 4434 transitions. [2022-10-16 03:55:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:55:57,061 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:55:57,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:57,067 INFO L225 Difference]: With dead ends: 3161 [2022-10-16 03:55:57,068 INFO L226 Difference]: Without dead ends: 3161 [2022-10-16 03:55:57,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:55:57,069 INFO L413 NwaCegarLoop]: 1022 mSDtfsCounter, 7196 mSDsluCounter, 4186 mSDsCounter, 0 mSdLazyCounter, 3719 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7196 SdHoareTripleChecker+Valid, 5208 SdHoareTripleChecker+Invalid, 4222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 3719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:57,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7196 Valid, 5208 Invalid, 4222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 3719 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 03:55:57,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2022-10-16 03:55:57,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 998. [2022-10-16 03:55:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.3565573770491803) internal successors, (1324), 997 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1324 transitions. [2022-10-16 03:55:57,097 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1324 transitions. Word has length 97 [2022-10-16 03:55:57,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:57,098 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1324 transitions. [2022-10-16 03:55:57,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1324 transitions. [2022-10-16 03:55:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:55:57,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:57,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:57,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:55:57,101 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:57,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:57,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1888632039, now seen corresponding path program 1 times [2022-10-16 03:55:57,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:57,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449557414] [2022-10-16 03:55:57,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:57,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:57,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:57,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:57,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449557414] [2022-10-16 03:55:57,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449557414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:57,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:57,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:57,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102922848] [2022-10-16 03:55:57,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:57,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:57,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:57,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:57,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:57,468 INFO L87 Difference]: Start difference. First operand 998 states and 1324 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:58,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:58,848 INFO L93 Difference]: Finished difference Result 1768 states and 2367 transitions. [2022-10-16 03:55:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:55:58,849 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:55:58,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:58,852 INFO L225 Difference]: With dead ends: 1768 [2022-10-16 03:55:58,853 INFO L226 Difference]: Without dead ends: 1768 [2022-10-16 03:55:58,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:55:58,854 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 3655 mSDsluCounter, 1925 mSDsCounter, 0 mSdLazyCounter, 1879 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3655 SdHoareTripleChecker+Valid, 2544 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:58,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3655 Valid, 2544 Invalid, 2060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:55:58,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2022-10-16 03:55:58,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 998. [2022-10-16 03:55:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.3555327868852458) internal successors, (1323), 997 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1323 transitions. [2022-10-16 03:55:58,875 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1323 transitions. Word has length 97 [2022-10-16 03:55:58,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:58,875 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1323 transitions. [2022-10-16 03:55:58,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:55:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1323 transitions. [2022-10-16 03:55:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:55:58,878 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:58,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:55:58,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:55:58,879 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:55:58,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:58,879 INFO L85 PathProgramCache]: Analyzing trace with hash -983974751, now seen corresponding path program 1 times [2022-10-16 03:55:58,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:58,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53095251] [2022-10-16 03:55:58,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:58,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:59,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:59,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:59,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53095251] [2022-10-16 03:55:59,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53095251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:55:59,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:55:59,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:55:59,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674494478] [2022-10-16 03:55:59,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:55:59,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:55:59,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:59,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:55:59,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:55:59,241 INFO L87 Difference]: Start difference. First operand 998 states and 1323 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:00,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:00,666 INFO L93 Difference]: Finished difference Result 1768 states and 2365 transitions. [2022-10-16 03:56:00,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:00,666 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:00,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:00,671 INFO L225 Difference]: With dead ends: 1768 [2022-10-16 03:56:00,671 INFO L226 Difference]: Without dead ends: 1768 [2022-10-16 03:56:00,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:00,673 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 3637 mSDsluCounter, 1932 mSDsCounter, 0 mSdLazyCounter, 1872 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:00,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3637 Valid, 2551 Invalid, 2053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1872 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:56:00,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2022-10-16 03:56:00,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 998. [2022-10-16 03:56:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.353483606557377) internal successors, (1321), 997 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:00,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1321 transitions. [2022-10-16 03:56:00,694 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1321 transitions. Word has length 98 [2022-10-16 03:56:00,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:00,694 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1321 transitions. [2022-10-16 03:56:00,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1321 transitions. [2022-10-16 03:56:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:00,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:00,697 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:00,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:56:00,697 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:00,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:00,698 INFO L85 PathProgramCache]: Analyzing trace with hash -594891711, now seen corresponding path program 1 times [2022-10-16 03:56:00,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:00,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187687970] [2022-10-16 03:56:00,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:00,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:01,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:01,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187687970] [2022-10-16 03:56:01,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187687970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:01,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:01,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:01,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106097735] [2022-10-16 03:56:01,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:01,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:01,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:01,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:01,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:01,069 INFO L87 Difference]: Start difference. First operand 998 states and 1321 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:02,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:02,364 INFO L93 Difference]: Finished difference Result 1815 states and 2435 transitions. [2022-10-16 03:56:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:02,365 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:02,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:02,367 INFO L225 Difference]: With dead ends: 1815 [2022-10-16 03:56:02,367 INFO L226 Difference]: Without dead ends: 1815 [2022-10-16 03:56:02,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:02,369 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 2611 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2611 SdHoareTripleChecker+Valid, 2490 SdHoareTripleChecker+Invalid, 1840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:02,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2611 Valid, 2490 Invalid, 1840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:56:02,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-10-16 03:56:02,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 998. [2022-10-16 03:56:02,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.3514344262295082) internal successors, (1319), 997 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:02,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1319 transitions. [2022-10-16 03:56:02,388 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1319 transitions. Word has length 98 [2022-10-16 03:56:02,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:02,389 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1319 transitions. [2022-10-16 03:56:02,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1319 transitions. [2022-10-16 03:56:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:02,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:02,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:02,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:56:02,392 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:02,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:02,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1325336959, now seen corresponding path program 1 times [2022-10-16 03:56:02,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:02,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395206465] [2022-10-16 03:56:02,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:02,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:02,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:02,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395206465] [2022-10-16 03:56:02,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395206465] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:02,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:02,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:02,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195141055] [2022-10-16 03:56:02,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:02,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:02,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:02,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:02,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:02,741 INFO L87 Difference]: Start difference. First operand 998 states and 1319 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:04,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:04,081 INFO L93 Difference]: Finished difference Result 1815 states and 2433 transitions. [2022-10-16 03:56:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:04,081 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:04,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:04,084 INFO L225 Difference]: With dead ends: 1815 [2022-10-16 03:56:04,084 INFO L226 Difference]: Without dead ends: 1815 [2022-10-16 03:56:04,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:04,085 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 5128 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 1765 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5128 SdHoareTripleChecker+Valid, 2496 SdHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:04,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5128 Valid, 2496 Invalid, 1903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1765 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:56:04,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-10-16 03:56:04,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 998. [2022-10-16 03:56:04,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.3493852459016393) internal successors, (1317), 997 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:04,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1317 transitions. [2022-10-16 03:56:04,104 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1317 transitions. Word has length 98 [2022-10-16 03:56:04,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:04,104 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1317 transitions. [2022-10-16 03:56:04,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1317 transitions. [2022-10-16 03:56:04,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:04,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:04,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:04,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:56:04,107 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:04,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:04,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1660924641, now seen corresponding path program 1 times [2022-10-16 03:56:04,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:04,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744320159] [2022-10-16 03:56:04,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:04,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:04,571 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 03:56:04,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:04,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744320159] [2022-10-16 03:56:04,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744320159] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:04,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:04,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:04,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928762383] [2022-10-16 03:56:04,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:04,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:04,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:04,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:04,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:04,574 INFO L87 Difference]: Start difference. First operand 998 states and 1317 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:06,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:06,157 INFO L93 Difference]: Finished difference Result 1865 states and 2532 transitions. [2022-10-16 03:56:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:06,157 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:06,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:06,160 INFO L225 Difference]: With dead ends: 1865 [2022-10-16 03:56:06,160 INFO L226 Difference]: Without dead ends: 1865 [2022-10-16 03:56:06,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:56:06,161 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 4570 mSDsluCounter, 2456 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4570 SdHoareTripleChecker+Valid, 3235 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:06,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4570 Valid, 3235 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:56:06,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2022-10-16 03:56:06,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 998. [2022-10-16 03:56:06,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.3473360655737705) internal successors, (1315), 997 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1315 transitions. [2022-10-16 03:56:06,180 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1315 transitions. Word has length 98 [2022-10-16 03:56:06,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:06,181 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1315 transitions. [2022-10-16 03:56:06,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1315 transitions. [2022-10-16 03:56:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:06,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:06,183 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] [2022-10-16 03:56:06,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:56:06,184 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:06,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:06,184 INFO L85 PathProgramCache]: Analyzing trace with hash -743182655, now seen corresponding path program 1 times [2022-10-16 03:56:06,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:06,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817346543] [2022-10-16 03:56:06,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:06,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:06,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:06,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817346543] [2022-10-16 03:56:06,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817346543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:06,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:06,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:06,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074122096] [2022-10-16 03:56:06,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:06,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:06,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:06,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:06,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:06,521 INFO L87 Difference]: Start difference. First operand 998 states and 1315 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:07,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:07,826 INFO L93 Difference]: Finished difference Result 1815 states and 2429 transitions. [2022-10-16 03:56:07,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:07,826 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:07,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:07,829 INFO L225 Difference]: With dead ends: 1815 [2022-10-16 03:56:07,829 INFO L226 Difference]: Without dead ends: 1815 [2022-10-16 03:56:07,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:07,830 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 2596 mSDsluCounter, 1906 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2596 SdHoareTripleChecker+Valid, 2493 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:07,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2596 Valid, 2493 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:56:07,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-10-16 03:56:07,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 998. [2022-10-16 03:56:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.346311475409836) internal successors, (1314), 997 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1314 transitions. [2022-10-16 03:56:07,849 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1314 transitions. Word has length 98 [2022-10-16 03:56:07,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:07,850 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1314 transitions. [2022-10-16 03:56:07,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1314 transitions. [2022-10-16 03:56:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:07,852 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:07,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:07,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:56:07,853 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:07,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:07,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1926953537, now seen corresponding path program 1 times [2022-10-16 03:56:07,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:07,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728075342] [2022-10-16 03:56:07,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:07,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:08,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:08,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:08,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728075342] [2022-10-16 03:56:08,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728075342] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:08,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:08,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:08,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736173364] [2022-10-16 03:56:08,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:08,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:08,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:08,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:08,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:08,330 INFO L87 Difference]: Start difference. First operand 998 states and 1314 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:10,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:10,021 INFO L93 Difference]: Finished difference Result 1768 states and 2357 transitions. [2022-10-16 03:56:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:10,022 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:10,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:10,024 INFO L225 Difference]: With dead ends: 1768 [2022-10-16 03:56:10,024 INFO L226 Difference]: Without dead ends: 1768 [2022-10-16 03:56:10,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:10,028 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 4113 mSDsluCounter, 2638 mSDsCounter, 0 mSdLazyCounter, 2321 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4113 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 2505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 2321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:10,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4113 Valid, 3280 Invalid, 2505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 2321 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:56:10,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2022-10-16 03:56:10,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 998. [2022-10-16 03:56:10,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.3452868852459017) internal successors, (1313), 997 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1313 transitions. [2022-10-16 03:56:10,046 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1313 transitions. Word has length 98 [2022-10-16 03:56:10,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:10,046 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1313 transitions. [2022-10-16 03:56:10,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1313 transitions. [2022-10-16 03:56:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:10,049 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:10,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:10,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:56:10,049 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:10,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:10,050 INFO L85 PathProgramCache]: Analyzing trace with hash -650592069, now seen corresponding path program 1 times [2022-10-16 03:56:10,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:10,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979829225] [2022-10-16 03:56:10,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:10,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:10,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:10,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979829225] [2022-10-16 03:56:10,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979829225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:10,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:10,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:10,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142470156] [2022-10-16 03:56:10,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:10,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:10,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:10,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:10,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:10,374 INFO L87 Difference]: Start difference. First operand 998 states and 1313 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:11,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:11,694 INFO L93 Difference]: Finished difference Result 1815 states and 2427 transitions. [2022-10-16 03:56:11,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:11,694 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:11,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:11,696 INFO L225 Difference]: With dead ends: 1815 [2022-10-16 03:56:11,696 INFO L226 Difference]: Without dead ends: 1815 [2022-10-16 03:56:11,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:11,697 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 3840 mSDsluCounter, 1904 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3840 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 1852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:11,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3840 Valid, 2491 Invalid, 1852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:56:11,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-10-16 03:56:11,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 998. [2022-10-16 03:56:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.3442622950819672) internal successors, (1312), 997 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1312 transitions. [2022-10-16 03:56:11,718 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1312 transitions. Word has length 98 [2022-10-16 03:56:11,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:11,719 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1312 transitions. [2022-10-16 03:56:11,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1312 transitions. [2022-10-16 03:56:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:11,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:11,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:11,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 03:56:11,722 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:11,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:11,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1680548315, now seen corresponding path program 1 times [2022-10-16 03:56:11,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:11,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278081187] [2022-10-16 03:56:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:11,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:12,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:12,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278081187] [2022-10-16 03:56:12,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278081187] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:12,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:12,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:12,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862062988] [2022-10-16 03:56:12,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:12,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:12,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:12,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:12,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:12,087 INFO L87 Difference]: Start difference. First operand 998 states and 1312 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:13,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:13,293 INFO L93 Difference]: Finished difference Result 1815 states and 2425 transitions. [2022-10-16 03:56:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:13,293 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:13,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:13,296 INFO L225 Difference]: With dead ends: 1815 [2022-10-16 03:56:13,296 INFO L226 Difference]: Without dead ends: 1815 [2022-10-16 03:56:13,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:13,297 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 2896 mSDsluCounter, 1755 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2896 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:13,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2896 Valid, 2295 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:56:13,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-10-16 03:56:13,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 998. [2022-10-16 03:56:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.3432377049180328) internal successors, (1311), 997 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1311 transitions. [2022-10-16 03:56:13,312 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1311 transitions. Word has length 98 [2022-10-16 03:56:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:13,313 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1311 transitions. [2022-10-16 03:56:13,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1311 transitions. [2022-10-16 03:56:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:13,315 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:13,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:13,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:56:13,316 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:13,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1839474971, now seen corresponding path program 1 times [2022-10-16 03:56:13,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:13,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103989692] [2022-10-16 03:56:13,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:13,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:13,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:13,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103989692] [2022-10-16 03:56:13,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103989692] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:13,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:13,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:13,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099969086] [2022-10-16 03:56:13,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:13,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:13,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:13,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:13,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:13,670 INFO L87 Difference]: Start difference. First operand 998 states and 1311 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:15,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:15,104 INFO L93 Difference]: Finished difference Result 1768 states and 2354 transitions. [2022-10-16 03:56:15,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:15,106 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:15,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:15,109 INFO L225 Difference]: With dead ends: 1768 [2022-10-16 03:56:15,109 INFO L226 Difference]: Without dead ends: 1768 [2022-10-16 03:56:15,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:15,110 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 4489 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4489 SdHoareTripleChecker+Valid, 2742 SdHoareTripleChecker+Invalid, 2181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:15,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4489 Valid, 2742 Invalid, 2181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:56:15,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2022-10-16 03:56:15,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 998. [2022-10-16 03:56:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.3422131147540983) internal successors, (1310), 997 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1310 transitions. [2022-10-16 03:56:15,129 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1310 transitions. Word has length 98 [2022-10-16 03:56:15,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:15,129 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1310 transitions. [2022-10-16 03:56:15,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1310 transitions. [2022-10-16 03:56:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:15,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:15,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:15,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 03:56:15,132 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:15,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:15,132 INFO L85 PathProgramCache]: Analyzing trace with hash -218628127, now seen corresponding path program 1 times [2022-10-16 03:56:15,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:15,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444203270] [2022-10-16 03:56:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:15,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:15,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:15,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:15,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444203270] [2022-10-16 03:56:15,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444203270] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:15,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:15,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:15,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551131864] [2022-10-16 03:56:15,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:15,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:15,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:15,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:15,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:15,525 INFO L87 Difference]: Start difference. First operand 998 states and 1310 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:16,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:16,931 INFO L93 Difference]: Finished difference Result 1768 states and 2353 transitions. [2022-10-16 03:56:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:16,931 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:16,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:16,933 INFO L225 Difference]: With dead ends: 1768 [2022-10-16 03:56:16,934 INFO L226 Difference]: Without dead ends: 1768 [2022-10-16 03:56:16,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:16,934 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 3450 mSDsluCounter, 2074 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3450 SdHoareTripleChecker+Valid, 2742 SdHoareTripleChecker+Invalid, 2123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:16,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 2742 Invalid, 2123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:56:16,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2022-10-16 03:56:16,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 998. [2022-10-16 03:56:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.341188524590164) internal successors, (1309), 997 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1309 transitions. [2022-10-16 03:56:16,947 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1309 transitions. Word has length 98 [2022-10-16 03:56:16,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:16,947 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1309 transitions. [2022-10-16 03:56:16,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:16,948 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1309 transitions. [2022-10-16 03:56:16,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:16,949 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:16,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:16,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 03:56:16,950 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:16,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:16,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1160598977, now seen corresponding path program 1 times [2022-10-16 03:56:16,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:16,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885644017] [2022-10-16 03:56:16,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:16,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:17,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:17,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885644017] [2022-10-16 03:56:17,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885644017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:17,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:17,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:17,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798241332] [2022-10-16 03:56:17,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:17,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:17,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:17,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:17,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:17,302 INFO L87 Difference]: Start difference. First operand 998 states and 1309 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:18,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:18,589 INFO L93 Difference]: Finished difference Result 1815 states and 2419 transitions. [2022-10-16 03:56:18,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:18,589 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:18,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:18,592 INFO L225 Difference]: With dead ends: 1815 [2022-10-16 03:56:18,592 INFO L226 Difference]: Without dead ends: 1815 [2022-10-16 03:56:18,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:18,593 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 5113 mSDsluCounter, 1901 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5113 SdHoareTripleChecker+Valid, 2488 SdHoareTripleChecker+Invalid, 1872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:18,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5113 Valid, 2488 Invalid, 1872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:56:18,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-10-16 03:56:18,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 998. [2022-10-16 03:56:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.3401639344262295) internal successors, (1308), 997 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1308 transitions. [2022-10-16 03:56:18,606 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1308 transitions. Word has length 98 [2022-10-16 03:56:18,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:18,606 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1308 transitions. [2022-10-16 03:56:18,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1308 transitions. [2022-10-16 03:56:18,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:56:18,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:18,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:18,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 03:56:18,608 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:18,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:18,608 INFO L85 PathProgramCache]: Analyzing trace with hash -542784863, now seen corresponding path program 1 times [2022-10-16 03:56:18,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:18,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822949904] [2022-10-16 03:56:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:18,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:18,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:18,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822949904] [2022-10-16 03:56:18,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822949904] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:18,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:18,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:18,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978243627] [2022-10-16 03:56:18,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:18,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:18,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:18,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:18,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:18,984 INFO L87 Difference]: Start difference. First operand 998 states and 1308 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:20,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:20,257 INFO L93 Difference]: Finished difference Result 1815 states and 2418 transitions. [2022-10-16 03:56:20,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:20,257 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:56:20,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:20,259 INFO L225 Difference]: With dead ends: 1815 [2022-10-16 03:56:20,260 INFO L226 Difference]: Without dead ends: 1815 [2022-10-16 03:56:20,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:20,260 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 5075 mSDsluCounter, 1908 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5075 SdHoareTripleChecker+Valid, 2495 SdHoareTripleChecker+Invalid, 1865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:20,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5075 Valid, 2495 Invalid, 1865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:56:20,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-10-16 03:56:20,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 998. [2022-10-16 03:56:20,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 976 states have (on average 1.339139344262295) internal successors, (1307), 997 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:20,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1307 transitions. [2022-10-16 03:56:20,280 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1307 transitions. Word has length 98 [2022-10-16 03:56:20,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:20,280 INFO L495 AbstractCegarLoop]: Abstraction has 998 states and 1307 transitions. [2022-10-16 03:56:20,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:20,280 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1307 transitions. [2022-10-16 03:56:20,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:56:20,282 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:20,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:20,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 03:56:20,283 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:20,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:20,283 INFO L85 PathProgramCache]: Analyzing trace with hash -308070434, now seen corresponding path program 1 times [2022-10-16 03:56:20,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:20,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265675924] [2022-10-16 03:56:20,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:20,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:20,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:20,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265675924] [2022-10-16 03:56:20,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265675924] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:20,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:20,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:56:20,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825552672] [2022-10-16 03:56:20,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:20,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:56:20,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:20,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:56:20,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:56:20,938 INFO L87 Difference]: Start difference. First operand 998 states and 1307 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 11 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:24,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:24,178 INFO L93 Difference]: Finished difference Result 3233 states and 4502 transitions. [2022-10-16 03:56:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:56:24,179 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 11 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:56:24,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:24,182 INFO L225 Difference]: With dead ends: 3233 [2022-10-16 03:56:24,184 INFO L226 Difference]: Without dead ends: 3233 [2022-10-16 03:56:24,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:56:24,185 INFO L413 NwaCegarLoop]: 977 mSDtfsCounter, 7423 mSDsluCounter, 3991 mSDsCounter, 0 mSdLazyCounter, 3441 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7423 SdHoareTripleChecker+Valid, 4968 SdHoareTripleChecker+Invalid, 3976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 3441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:24,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7423 Valid, 4968 Invalid, 3976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 3441 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 03:56:24,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2022-10-16 03:56:24,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 1008. [2022-10-16 03:56:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 986 states have (on average 1.3356997971602433) internal successors, (1317), 1007 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1317 transitions. [2022-10-16 03:56:24,208 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1317 transitions. Word has length 99 [2022-10-16 03:56:24,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:24,208 INFO L495 AbstractCegarLoop]: Abstraction has 1008 states and 1317 transitions. [2022-10-16 03:56:24,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 11 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1317 transitions. [2022-10-16 03:56:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:56:24,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:24,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:24,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 03:56:24,211 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:24,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:24,211 INFO L85 PathProgramCache]: Analyzing trace with hash 234210846, now seen corresponding path program 1 times [2022-10-16 03:56:24,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:24,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526384041] [2022-10-16 03:56:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:24,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:24,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:24,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526384041] [2022-10-16 03:56:24,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526384041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:24,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:24,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:24,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216136118] [2022-10-16 03:56:24,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:24,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:24,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:24,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:24,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:24,565 INFO L87 Difference]: Start difference. First operand 1008 states and 1317 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:25,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:25,707 INFO L93 Difference]: Finished difference Result 1825 states and 2424 transitions. [2022-10-16 03:56:25,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:25,707 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:56:25,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:25,709 INFO L225 Difference]: With dead ends: 1825 [2022-10-16 03:56:25,709 INFO L226 Difference]: Without dead ends: 1825 [2022-10-16 03:56:25,710 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 03:56:25,710 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 5776 mSDsluCounter, 1755 mSDsCounter, 0 mSdLazyCounter, 1530 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5776 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:25,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5776 Valid, 2295 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1530 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:56:25,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2022-10-16 03:56:25,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1008. [2022-10-16 03:56:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 986 states have (on average 1.3336713995943206) internal successors, (1315), 1007 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1315 transitions. [2022-10-16 03:56:25,722 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1315 transitions. Word has length 99 [2022-10-16 03:56:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:25,722 INFO L495 AbstractCegarLoop]: Abstraction has 1008 states and 1315 transitions. [2022-10-16 03:56:25,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1315 transitions. [2022-10-16 03:56:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:56:25,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:25,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:25,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 03:56:25,724 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:25,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:25,724 INFO L85 PathProgramCache]: Analyzing trace with hash -118560034, now seen corresponding path program 1 times [2022-10-16 03:56:25,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:25,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915184718] [2022-10-16 03:56:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:25,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:26,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:26,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915184718] [2022-10-16 03:56:26,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915184718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:26,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:26,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:26,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093105855] [2022-10-16 03:56:26,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:26,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:26,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:26,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:26,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:26,039 INFO L87 Difference]: Start difference. First operand 1008 states and 1315 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:27,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:27,447 INFO L93 Difference]: Finished difference Result 1778 states and 2357 transitions. [2022-10-16 03:56:27,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:27,449 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:56:27,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:27,451 INFO L225 Difference]: With dead ends: 1778 [2022-10-16 03:56:27,451 INFO L226 Difference]: Without dead ends: 1778 [2022-10-16 03:56:27,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:27,452 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 2356 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 1997 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2356 SdHoareTripleChecker+Valid, 2875 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:27,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2356 Valid, 2875 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1997 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:56:27,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2022-10-16 03:56:27,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1008. [2022-10-16 03:56:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 986 states have (on average 1.3316430020283976) internal successors, (1313), 1007 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1313 transitions. [2022-10-16 03:56:27,470 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1313 transitions. Word has length 99 [2022-10-16 03:56:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:27,470 INFO L495 AbstractCegarLoop]: Abstraction has 1008 states and 1313 transitions. [2022-10-16 03:56:27,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1313 transitions. [2022-10-16 03:56:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:56:27,472 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:27,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:27,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 03:56:27,473 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:27,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash -271572002, now seen corresponding path program 1 times [2022-10-16 03:56:27,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:27,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651733005] [2022-10-16 03:56:27,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:27,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:27,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:27,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651733005] [2022-10-16 03:56:27,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651733005] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:27,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:27,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:27,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246967200] [2022-10-16 03:56:27,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:27,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:27,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:27,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:27,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:27,810 INFO L87 Difference]: Start difference. First operand 1008 states and 1313 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:29,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:29,110 INFO L93 Difference]: Finished difference Result 1825 states and 2418 transitions. [2022-10-16 03:56:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:29,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:56:29,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:29,113 INFO L225 Difference]: With dead ends: 1825 [2022-10-16 03:56:29,113 INFO L226 Difference]: Without dead ends: 1825 [2022-10-16 03:56:29,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:29,114 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 3803 mSDsluCounter, 1904 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3803 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 1814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:29,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3803 Valid, 2491 Invalid, 1814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1711 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:56:29,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2022-10-16 03:56:29,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1008. [2022-10-16 03:56:29,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 986 states have (on average 1.3296146044624746) internal successors, (1311), 1007 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1311 transitions. [2022-10-16 03:56:29,129 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1311 transitions. Word has length 99 [2022-10-16 03:56:29,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:29,129 INFO L495 AbstractCegarLoop]: Abstraction has 1008 states and 1311 transitions. [2022-10-16 03:56:29,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1311 transitions. [2022-10-16 03:56:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:56:29,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:29,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:29,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 03:56:29,131 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:29,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:29,132 INFO L85 PathProgramCache]: Analyzing trace with hash -370973194, now seen corresponding path program 1 times [2022-10-16 03:56:29,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:29,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638914011] [2022-10-16 03:56:29,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:29,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:29,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:29,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638914011] [2022-10-16 03:56:29,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638914011] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:29,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:29,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:29,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483480817] [2022-10-16 03:56:29,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:29,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:29,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:29,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:29,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:29,557 INFO L87 Difference]: Start difference. First operand 1008 states and 1311 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:31,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:31,383 INFO L93 Difference]: Finished difference Result 1776 states and 2351 transitions. [2022-10-16 03:56:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:31,383 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:56:31,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:31,386 INFO L225 Difference]: With dead ends: 1776 [2022-10-16 03:56:31,386 INFO L226 Difference]: Without dead ends: 1776 [2022-10-16 03:56:31,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:31,387 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 3947 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3947 SdHoareTripleChecker+Valid, 3557 SdHoareTripleChecker+Invalid, 2594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:31,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3947 Valid, 3557 Invalid, 2594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 2416 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 03:56:31,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2022-10-16 03:56:31,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1006. [2022-10-16 03:56:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 984 states have (on average 1.3282520325203253) internal successors, (1307), 1005 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:31,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1307 transitions. [2022-10-16 03:56:31,401 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1307 transitions. Word has length 99 [2022-10-16 03:56:31,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:31,401 INFO L495 AbstractCegarLoop]: Abstraction has 1006 states and 1307 transitions. [2022-10-16 03:56:31,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1307 transitions. [2022-10-16 03:56:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:56:31,403 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:31,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:31,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 03:56:31,404 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:31,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:31,404 INFO L85 PathProgramCache]: Analyzing trace with hash 193533868, now seen corresponding path program 1 times [2022-10-16 03:56:31,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:31,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390973627] [2022-10-16 03:56:31,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:31,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:31,746 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 03:56:31,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:31,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390973627] [2022-10-16 03:56:31,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390973627] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:31,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:31,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:31,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355285568] [2022-10-16 03:56:31,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:31,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:31,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:31,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:31,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:31,749 INFO L87 Difference]: Start difference. First operand 1006 states and 1307 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:33,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:33,558 INFO L93 Difference]: Finished difference Result 1775 states and 2349 transitions. [2022-10-16 03:56:33,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:33,559 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:56:33,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:33,561 INFO L225 Difference]: With dead ends: 1775 [2022-10-16 03:56:33,561 INFO L226 Difference]: Without dead ends: 1775 [2022-10-16 03:56:33,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:33,562 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 3830 mSDsluCounter, 3043 mSDsCounter, 0 mSdLazyCounter, 2583 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3830 SdHoareTripleChecker+Valid, 3823 SdHoareTripleChecker+Invalid, 2759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:33,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3830 Valid, 3823 Invalid, 2759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2583 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 03:56:33,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2022-10-16 03:56:33,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1005. [2022-10-16 03:56:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 983 states have (on average 1.3275686673448626) internal successors, (1305), 1004 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1305 transitions. [2022-10-16 03:56:33,581 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1305 transitions. Word has length 99 [2022-10-16 03:56:33,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:33,581 INFO L495 AbstractCegarLoop]: Abstraction has 1005 states and 1305 transitions. [2022-10-16 03:56:33,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:33,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1305 transitions. [2022-10-16 03:56:33,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:56:33,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:33,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:33,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 03:56:33,584 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:33,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:33,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1049556564, now seen corresponding path program 1 times [2022-10-16 03:56:33,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:33,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220756254] [2022-10-16 03:56:33,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:33,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:33,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:33,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220756254] [2022-10-16 03:56:33,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220756254] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:33,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:33,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:33,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297932717] [2022-10-16 03:56:33,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:33,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:33,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:33,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:33,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:33,930 INFO L87 Difference]: Start difference. First operand 1005 states and 1305 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:35,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:35,478 INFO L93 Difference]: Finished difference Result 1773 states and 2345 transitions. [2022-10-16 03:56:35,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:35,479 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:56:35,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:35,480 INFO L225 Difference]: With dead ends: 1773 [2022-10-16 03:56:35,480 INFO L226 Difference]: Without dead ends: 1773 [2022-10-16 03:56:35,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:35,482 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 3168 mSDsluCounter, 2312 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3168 SdHoareTripleChecker+Valid, 3084 SdHoareTripleChecker+Invalid, 2310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:35,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3168 Valid, 3084 Invalid, 2310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:56:35,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2022-10-16 03:56:35,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1004. [2022-10-16 03:56:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3268839103869654) internal successors, (1303), 1003 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:35,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1303 transitions. [2022-10-16 03:56:35,494 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1303 transitions. Word has length 99 [2022-10-16 03:56:35,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:35,494 INFO L495 AbstractCegarLoop]: Abstraction has 1004 states and 1303 transitions. [2022-10-16 03:56:35,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1303 transitions. [2022-10-16 03:56:35,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:56:35,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:35,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:35,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 03:56:35,496 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:35,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:35,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1664921314, now seen corresponding path program 1 times [2022-10-16 03:56:35,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:35,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654117912] [2022-10-16 03:56:35,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:35,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:36,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:36,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654117912] [2022-10-16 03:56:36,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654117912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:36,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:36,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:56:36,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237730545] [2022-10-16 03:56:36,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:36,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:56:36,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:36,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:56:36,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:56:36,504 INFO L87 Difference]: Start difference. First operand 1004 states and 1303 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:38,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:38,529 INFO L93 Difference]: Finished difference Result 3584 states and 4887 transitions. [2022-10-16 03:56:38,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:56:38,530 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:56:38,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:38,534 INFO L225 Difference]: With dead ends: 3584 [2022-10-16 03:56:38,534 INFO L226 Difference]: Without dead ends: 3584 [2022-10-16 03:56:38,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:56:38,536 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 7334 mSDsluCounter, 7457 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7334 SdHoareTripleChecker+Valid, 8611 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:38,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7334 Valid, 8611 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:56:38,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3584 states. [2022-10-16 03:56:38,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3584 to 986. [2022-10-16 03:56:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 964 states have (on average 1.3257261410788381) internal successors, (1278), 985 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1278 transitions. [2022-10-16 03:56:38,556 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1278 transitions. Word has length 99 [2022-10-16 03:56:38,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:38,557 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1278 transitions. [2022-10-16 03:56:38,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:38,557 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1278 transitions. [2022-10-16 03:56:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:56:38,558 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:38,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:38,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 03:56:38,559 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:38,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:38,560 INFO L85 PathProgramCache]: Analyzing trace with hash 760861535, now seen corresponding path program 1 times [2022-10-16 03:56:38,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:38,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580488572] [2022-10-16 03:56:38,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:38,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:38,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:38,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580488572] [2022-10-16 03:56:38,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580488572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:38,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:38,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:38,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256697370] [2022-10-16 03:56:38,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:38,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:38,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:38,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:38,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:38,959 INFO L87 Difference]: Start difference. First operand 986 states and 1278 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:40,442 INFO L93 Difference]: Finished difference Result 1843 states and 2470 transitions. [2022-10-16 03:56:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:40,442 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:56:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:40,444 INFO L225 Difference]: With dead ends: 1843 [2022-10-16 03:56:40,444 INFO L226 Difference]: Without dead ends: 1843 [2022-10-16 03:56:40,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:40,446 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 3110 mSDsluCounter, 2513 mSDsCounter, 0 mSdLazyCounter, 2299 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3110 SdHoareTripleChecker+Valid, 3375 SdHoareTripleChecker+Invalid, 2328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:40,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3110 Valid, 3375 Invalid, 2328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2299 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:56:40,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2022-10-16 03:56:40,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 981. [2022-10-16 03:56:40,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 959 states have (on average 1.3263816475495307) internal successors, (1272), 980 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1272 transitions. [2022-10-16 03:56:40,459 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1272 transitions. Word has length 99 [2022-10-16 03:56:40,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:40,459 INFO L495 AbstractCegarLoop]: Abstraction has 981 states and 1272 transitions. [2022-10-16 03:56:40,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1272 transitions. [2022-10-16 03:56:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:56:40,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:40,460 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] [2022-10-16 03:56:40,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 03:56:40,461 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:40,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:40,461 INFO L85 PathProgramCache]: Analyzing trace with hash 193950012, now seen corresponding path program 1 times [2022-10-16 03:56:40,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:40,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572423352] [2022-10-16 03:56:40,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:40,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:40,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:40,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:40,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572423352] [2022-10-16 03:56:40,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572423352] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:40,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:40,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:40,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634512302] [2022-10-16 03:56:40,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:40,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:40,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:40,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:40,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:40,866 INFO L87 Difference]: Start difference. First operand 981 states and 1272 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:42,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:42,359 INFO L93 Difference]: Finished difference Result 1822 states and 2430 transitions. [2022-10-16 03:56:42,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:42,360 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:56:42,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:42,361 INFO L225 Difference]: With dead ends: 1822 [2022-10-16 03:56:42,361 INFO L226 Difference]: Without dead ends: 1822 [2022-10-16 03:56:42,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:56:42,362 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 4446 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 1924 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4446 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 1993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:42,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4446 Valid, 2969 Invalid, 1993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1924 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:56:42,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2022-10-16 03:56:42,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 981. [2022-10-16 03:56:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 959 states have (on average 1.32429614181439) internal successors, (1270), 980 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1270 transitions. [2022-10-16 03:56:42,375 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1270 transitions. Word has length 100 [2022-10-16 03:56:42,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:42,376 INFO L495 AbstractCegarLoop]: Abstraction has 981 states and 1270 transitions. [2022-10-16 03:56:42,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1270 transitions. [2022-10-16 03:56:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:56:42,378 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:42,378 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] [2022-10-16 03:56:42,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 03:56:42,378 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:42,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1060069596, now seen corresponding path program 1 times [2022-10-16 03:56:42,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:42,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566465816] [2022-10-16 03:56:42,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:42,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:42,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566465816] [2022-10-16 03:56:42,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566465816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:42,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:42,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:42,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396089415] [2022-10-16 03:56:42,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:42,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:42,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:42,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:42,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:42,797 INFO L87 Difference]: Start difference. First operand 981 states and 1270 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:44,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:44,451 INFO L93 Difference]: Finished difference Result 1741 states and 2299 transitions. [2022-10-16 03:56:44,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:44,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:56:44,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:44,454 INFO L225 Difference]: With dead ends: 1741 [2022-10-16 03:56:44,454 INFO L226 Difference]: Without dead ends: 1741 [2022-10-16 03:56:44,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:44,455 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 3820 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 2312 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3820 SdHoareTripleChecker+Valid, 3452 SdHoareTripleChecker+Invalid, 2480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 2312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:44,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3820 Valid, 3452 Invalid, 2480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 2312 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:56:44,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2022-10-16 03:56:44,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 981. [2022-10-16 03:56:44,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 959 states have (on average 1.3222106360792492) internal successors, (1268), 980 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:44,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1268 transitions. [2022-10-16 03:56:44,470 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1268 transitions. Word has length 100 [2022-10-16 03:56:44,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:44,470 INFO L495 AbstractCegarLoop]: Abstraction has 981 states and 1268 transitions. [2022-10-16 03:56:44,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1268 transitions. [2022-10-16 03:56:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:56:44,472 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:44,472 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] [2022-10-16 03:56:44,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 03:56:44,472 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:44,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:44,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1372751492, now seen corresponding path program 1 times [2022-10-16 03:56:44,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:44,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281689646] [2022-10-16 03:56:44,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:44,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:45,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:45,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281689646] [2022-10-16 03:56:45,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281689646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:45,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:45,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:56:45,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002495421] [2022-10-16 03:56:45,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:45,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:56:45,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:45,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:56:45,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:56:45,031 INFO L87 Difference]: Start difference. First operand 981 states and 1268 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:48,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:48,181 INFO L93 Difference]: Finished difference Result 2935 states and 4043 transitions. [2022-10-16 03:56:48,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:56:48,181 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:56:48,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:48,185 INFO L225 Difference]: With dead ends: 2935 [2022-10-16 03:56:48,185 INFO L226 Difference]: Without dead ends: 2935 [2022-10-16 03:56:48,186 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 03:56:48,186 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 8568 mSDsluCounter, 2850 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8568 SdHoareTripleChecker+Valid, 3715 SdHoareTripleChecker+Invalid, 3187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:48,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8568 Valid, 3715 Invalid, 3187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [643 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:56:48,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2935 states. [2022-10-16 03:56:48,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2935 to 991. [2022-10-16 03:56:48,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 969 states have (on average 1.3188854489164086) internal successors, (1278), 990 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1278 transitions. [2022-10-16 03:56:48,205 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1278 transitions. Word has length 100 [2022-10-16 03:56:48,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:48,205 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1278 transitions. [2022-10-16 03:56:48,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1278 transitions. [2022-10-16 03:56:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:56:48,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:48,207 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] [2022-10-16 03:56:48,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 03:56:48,207 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:48,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:48,208 INFO L85 PathProgramCache]: Analyzing trace with hash 2105960988, now seen corresponding path program 1 times [2022-10-16 03:56:48,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:48,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915570548] [2022-10-16 03:56:48,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:48,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:48,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:48,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915570548] [2022-10-16 03:56:48,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915570548] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:48,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:48,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:48,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659050102] [2022-10-16 03:56:48,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:48,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:48,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:48,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:48,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:48,679 INFO L87 Difference]: Start difference. First operand 991 states and 1278 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:50,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:50,491 INFO L93 Difference]: Finished difference Result 1751 states and 2307 transitions. [2022-10-16 03:56:50,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:50,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:56:50,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:50,494 INFO L225 Difference]: With dead ends: 1751 [2022-10-16 03:56:50,494 INFO L226 Difference]: Without dead ends: 1751 [2022-10-16 03:56:50,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:50,496 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 3718 mSDsluCounter, 2926 mSDsCounter, 0 mSdLazyCounter, 2483 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3718 SdHoareTripleChecker+Valid, 3674 SdHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 2483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:50,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3718 Valid, 3674 Invalid, 2649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 2483 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 03:56:50,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2022-10-16 03:56:50,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 991. [2022-10-16 03:56:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 969 states have (on average 1.3168214654282766) internal successors, (1276), 990 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1276 transitions. [2022-10-16 03:56:50,516 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1276 transitions. Word has length 100 [2022-10-16 03:56:50,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:50,516 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1276 transitions. [2022-10-16 03:56:50,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1276 transitions. [2022-10-16 03:56:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:56:50,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:50,518 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] [2022-10-16 03:56:50,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 03:56:50,519 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:50,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:50,519 INFO L85 PathProgramCache]: Analyzing trace with hash -2115298916, now seen corresponding path program 1 times [2022-10-16 03:56:50,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:50,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741747451] [2022-10-16 03:56:50,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:50,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:50,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:50,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741747451] [2022-10-16 03:56:50,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741747451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:50,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:50,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:50,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505571108] [2022-10-16 03:56:50,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:50,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:50,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:50,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:50,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:50,901 INFO L87 Difference]: Start difference. First operand 991 states and 1276 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:52,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:52,361 INFO L93 Difference]: Finished difference Result 1822 states and 2420 transitions. [2022-10-16 03:56:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:52,362 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:56:52,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:52,364 INFO L225 Difference]: With dead ends: 1822 [2022-10-16 03:56:52,364 INFO L226 Difference]: Without dead ends: 1822 [2022-10-16 03:56:52,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:56:52,365 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 4789 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 1801 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4789 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:52,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4789 Valid, 2872 Invalid, 1874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1801 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:56:52,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2022-10-16 03:56:52,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 991. [2022-10-16 03:56:52,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 969 states have (on average 1.3147574819401444) internal successors, (1274), 990 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1274 transitions. [2022-10-16 03:56:52,377 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1274 transitions. Word has length 100 [2022-10-16 03:56:52,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:52,377 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1274 transitions. [2022-10-16 03:56:52,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:52,378 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1274 transitions. [2022-10-16 03:56:52,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:56:52,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:52,379 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] [2022-10-16 03:56:52,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 03:56:52,379 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:52,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:52,380 INFO L85 PathProgramCache]: Analyzing trace with hash 361781404, now seen corresponding path program 1 times [2022-10-16 03:56:52,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:52,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801286297] [2022-10-16 03:56:52,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:52,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:52,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:52,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801286297] [2022-10-16 03:56:52,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801286297] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:52,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:52,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:52,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019732891] [2022-10-16 03:56:52,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:52,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:52,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:52,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:52,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:52,716 INFO L87 Difference]: Start difference. First operand 991 states and 1274 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:54,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:54,245 INFO L93 Difference]: Finished difference Result 1751 states and 2301 transitions. [2022-10-16 03:56:54,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:54,246 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:56:54,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:54,248 INFO L225 Difference]: With dead ends: 1751 [2022-10-16 03:56:54,248 INFO L226 Difference]: Without dead ends: 1751 [2022-10-16 03:56:54,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:54,249 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 3062 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 2058 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 3019 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 2058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:54,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 3019 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 2058 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:56:54,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2022-10-16 03:56:54,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 991. [2022-10-16 03:56:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 969 states have (on average 1.3126934984520124) internal successors, (1272), 990 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1272 transitions. [2022-10-16 03:56:54,267 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1272 transitions. Word has length 100 [2022-10-16 03:56:54,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:54,268 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1272 transitions. [2022-10-16 03:56:54,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1272 transitions. [2022-10-16 03:56:54,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:56:54,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:54,270 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] [2022-10-16 03:56:54,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 03:56:54,270 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:54,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:54,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1379458134, now seen corresponding path program 1 times [2022-10-16 03:56:54,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:54,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403898854] [2022-10-16 03:56:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:54,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:54,637 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 03:56:54,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:54,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403898854] [2022-10-16 03:56:54,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403898854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:54,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:54,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:54,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889030655] [2022-10-16 03:56:54,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:54,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:54,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:54,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:54,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:54,639 INFO L87 Difference]: Start difference. First operand 991 states and 1272 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:56,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:56,169 INFO L93 Difference]: Finished difference Result 1853 states and 2464 transitions. [2022-10-16 03:56:56,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:56,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:56:56,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:56,172 INFO L225 Difference]: With dead ends: 1853 [2022-10-16 03:56:56,172 INFO L226 Difference]: Without dead ends: 1853 [2022-10-16 03:56:56,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:56,175 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 4022 mSDsluCounter, 2535 mSDsCounter, 0 mSdLazyCounter, 2204 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4022 SdHoareTripleChecker+Valid, 3415 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:56,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4022 Valid, 3415 Invalid, 2245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2204 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:56:56,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2022-10-16 03:56:56,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 981. [2022-10-16 03:56:56,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 959 states have (on average 1.313868613138686) internal successors, (1260), 980 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:56,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1260 transitions. [2022-10-16 03:56:56,192 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1260 transitions. Word has length 100 [2022-10-16 03:56:56,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:56,192 INFO L495 AbstractCegarLoop]: Abstraction has 981 states and 1260 transitions. [2022-10-16 03:56:56,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1260 transitions. [2022-10-16 03:56:56,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:56:56,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:56,194 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] [2022-10-16 03:56:56,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 03:56:56,194 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:56,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:56,195 INFO L85 PathProgramCache]: Analyzing trace with hash -584559812, now seen corresponding path program 1 times [2022-10-16 03:56:56,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:56,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198976291] [2022-10-16 03:56:56,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:56,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:56,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:56,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198976291] [2022-10-16 03:56:56,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198976291] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:56,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:56,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:56:56,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824862954] [2022-10-16 03:56:56,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:56,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:56:56,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:56,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:56:56,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:56:56,744 INFO L87 Difference]: Start difference. First operand 981 states and 1260 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:59,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:59,732 INFO L93 Difference]: Finished difference Result 2905 states and 3999 transitions. [2022-10-16 03:56:59,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:56:59,738 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:56:59,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:59,743 INFO L225 Difference]: With dead ends: 2905 [2022-10-16 03:56:59,743 INFO L226 Difference]: Without dead ends: 2905 [2022-10-16 03:56:59,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:56:59,744 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 6800 mSDsluCounter, 2957 mSDsCounter, 0 mSdLazyCounter, 2607 mSolverCounterSat, 528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6800 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 3135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 2607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:59,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6800 Valid, 3856 Invalid, 3135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [528 Valid, 2607 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 03:56:59,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2905 states. [2022-10-16 03:56:59,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2905 to 986. [2022-10-16 03:56:59,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 964 states have (on average 1.312240663900415) internal successors, (1265), 985 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:59,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1265 transitions. [2022-10-16 03:56:59,766 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1265 transitions. Word has length 100 [2022-10-16 03:56:59,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:59,766 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1265 transitions. [2022-10-16 03:56:59,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:59,766 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1265 transitions. [2022-10-16 03:56:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:56:59,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:59,768 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] [2022-10-16 03:56:59,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 03:56:59,769 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:59,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:59,769 INFO L85 PathProgramCache]: Analyzing trace with hash 930233820, now seen corresponding path program 1 times [2022-10-16 03:56:59,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:59,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806135149] [2022-10-16 03:56:59,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:59,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:00,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:00,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:00,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806135149] [2022-10-16 03:57:00,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806135149] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:00,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:00,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:00,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356277586] [2022-10-16 03:57:00,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:00,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:00,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:00,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:00,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:00,056 INFO L87 Difference]: Start difference. First operand 986 states and 1265 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:01,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:01,645 INFO L93 Difference]: Finished difference Result 1746 states and 2292 transitions. [2022-10-16 03:57:01,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:01,646 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:57:01,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:01,648 INFO L225 Difference]: With dead ends: 1746 [2022-10-16 03:57:01,649 INFO L226 Difference]: Without dead ends: 1746 [2022-10-16 03:57:01,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:01,649 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 3245 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 3253 SdHoareTripleChecker+Invalid, 2415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:01,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 3253 Invalid, 2415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:57:01,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2022-10-16 03:57:01,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 986. [2022-10-16 03:57:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 964 states have (on average 1.3112033195020747) internal successors, (1264), 985 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:01,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1264 transitions. [2022-10-16 03:57:01,668 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1264 transitions. Word has length 100 [2022-10-16 03:57:01,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:01,669 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1264 transitions. [2022-10-16 03:57:01,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:01,669 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1264 transitions. [2022-10-16 03:57:01,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:57:01,671 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:01,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:01,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 03:57:01,671 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:01,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:01,672 INFO L85 PathProgramCache]: Analyzing trace with hash -946932452, now seen corresponding path program 1 times [2022-10-16 03:57:01,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:01,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494918683] [2022-10-16 03:57:01,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:01,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:02,164 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 03:57:02,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:02,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494918683] [2022-10-16 03:57:02,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494918683] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:02,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:02,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:02,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033751758] [2022-10-16 03:57:02,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:02,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:02,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:02,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:02,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:02,167 INFO L87 Difference]: Start difference. First operand 986 states and 1264 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:03,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:03,739 INFO L93 Difference]: Finished difference Result 1812 states and 2402 transitions. [2022-10-16 03:57:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:03,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:57:03,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:03,742 INFO L225 Difference]: With dead ends: 1812 [2022-10-16 03:57:03,742 INFO L226 Difference]: Without dead ends: 1812 [2022-10-16 03:57:03,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:57:03,742 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 4184 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 2030 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4184 SdHoareTripleChecker+Valid, 3182 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 2030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:03,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4184 Valid, 3182 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 2030 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:57:03,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-10-16 03:57:03,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 986. [2022-10-16 03:57:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 964 states have (on average 1.3101659751037344) internal successors, (1263), 985 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1263 transitions. [2022-10-16 03:57:03,756 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1263 transitions. Word has length 100 [2022-10-16 03:57:03,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:03,757 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1263 transitions. [2022-10-16 03:57:03,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1263 transitions. [2022-10-16 03:57:03,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:57:03,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:03,758 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] [2022-10-16 03:57:03,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 03:57:03,759 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:03,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:03,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1810001348, now seen corresponding path program 1 times [2022-10-16 03:57:03,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:03,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856333747] [2022-10-16 03:57:03,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:03,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:04,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:04,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:04,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856333747] [2022-10-16 03:57:04,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856333747] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:04,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:04,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:04,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426693644] [2022-10-16 03:57:04,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:04,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:04,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:04,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:04,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:04,073 INFO L87 Difference]: Start difference. First operand 986 states and 1263 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:05,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:05,580 INFO L93 Difference]: Finished difference Result 1812 states and 2401 transitions. [2022-10-16 03:57:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:05,581 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:57:05,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:05,584 INFO L225 Difference]: With dead ends: 1812 [2022-10-16 03:57:05,584 INFO L226 Difference]: Without dead ends: 1812 [2022-10-16 03:57:05,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:57:05,584 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 4362 mSDsluCounter, 2334 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4362 SdHoareTripleChecker+Valid, 3023 SdHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:05,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4362 Valid, 3023 Invalid, 1981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:57:05,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-10-16 03:57:05,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 986. [2022-10-16 03:57:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 964 states have (on average 1.3091286307053942) internal successors, (1262), 985 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1262 transitions. [2022-10-16 03:57:05,600 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1262 transitions. Word has length 100 [2022-10-16 03:57:05,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:05,600 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1262 transitions. [2022-10-16 03:57:05,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1262 transitions. [2022-10-16 03:57:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:57:05,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:05,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:05,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 03:57:05,602 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:05,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:05,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1688175644, now seen corresponding path program 1 times [2022-10-16 03:57:05,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:05,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550893470] [2022-10-16 03:57:05,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:05,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:05,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:05,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:05,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550893470] [2022-10-16 03:57:05,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550893470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:05,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:05,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:05,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197732745] [2022-10-16 03:57:05,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:05,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:05,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:05,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:05,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:05,932 INFO L87 Difference]: Start difference. First operand 986 states and 1262 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:07,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:07,436 INFO L93 Difference]: Finished difference Result 1746 states and 2288 transitions. [2022-10-16 03:57:07,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:07,437 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:57:07,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:07,439 INFO L225 Difference]: With dead ends: 1746 [2022-10-16 03:57:07,439 INFO L226 Difference]: Without dead ends: 1746 [2022-10-16 03:57:07,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:07,440 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 2128 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2128 SdHoareTripleChecker+Valid, 2994 SdHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:07,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2128 Valid, 2994 Invalid, 2140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2039 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:57:07,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2022-10-16 03:57:07,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 986. [2022-10-16 03:57:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 964 states have (on average 1.308091286307054) internal successors, (1261), 985 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1261 transitions. [2022-10-16 03:57:07,453 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1261 transitions. Word has length 100 [2022-10-16 03:57:07,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:07,453 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1261 transitions. [2022-10-16 03:57:07,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1261 transitions. [2022-10-16 03:57:07,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:57:07,455 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:07,455 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] [2022-10-16 03:57:07,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 03:57:07,455 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:07,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:07,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1307086337, now seen corresponding path program 1 times [2022-10-16 03:57:07,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:07,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842026766] [2022-10-16 03:57:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:07,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:07,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:07,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:07,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842026766] [2022-10-16 03:57:07,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842026766] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:07,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:07,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:07,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856961574] [2022-10-16 03:57:07,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:07,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:07,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:07,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:07,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:07,823 INFO L87 Difference]: Start difference. First operand 986 states and 1261 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:09,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:09,554 INFO L93 Difference]: Finished difference Result 1746 states and 2287 transitions. [2022-10-16 03:57:09,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:09,555 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:57:09,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:09,557 INFO L225 Difference]: With dead ends: 1746 [2022-10-16 03:57:09,557 INFO L226 Difference]: Without dead ends: 1746 [2022-10-16 03:57:09,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:09,558 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 3780 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 2260 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3780 SdHoareTripleChecker+Valid, 3453 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 2260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:09,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3780 Valid, 3453 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 2260 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:57:09,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2022-10-16 03:57:09,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 986. [2022-10-16 03:57:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 964 states have (on average 1.3070539419087137) internal successors, (1260), 985 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1260 transitions. [2022-10-16 03:57:09,575 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1260 transitions. Word has length 100 [2022-10-16 03:57:09,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:09,575 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1260 transitions. [2022-10-16 03:57:09,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1260 transitions. [2022-10-16 03:57:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:57:09,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:09,578 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] [2022-10-16 03:57:09,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-10-16 03:57:09,578 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:09,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:09,578 INFO L85 PathProgramCache]: Analyzing trace with hash 623323004, now seen corresponding path program 1 times [2022-10-16 03:57:09,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:09,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177565674] [2022-10-16 03:57:09,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:09,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:09,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:09,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:09,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177565674] [2022-10-16 03:57:09,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177565674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:09,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:09,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:09,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427737466] [2022-10-16 03:57:09,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:09,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:09,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:09,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:09,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:09,901 INFO L87 Difference]: Start difference. First operand 986 states and 1260 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:11,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:11,632 INFO L93 Difference]: Finished difference Result 1746 states and 2286 transitions. [2022-10-16 03:57:11,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:11,632 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:57:11,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:11,634 INFO L225 Difference]: With dead ends: 1746 [2022-10-16 03:57:11,634 INFO L226 Difference]: Without dead ends: 1746 [2022-10-16 03:57:11,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:11,635 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 3776 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3776 SdHoareTripleChecker+Valid, 3452 SdHoareTripleChecker+Invalid, 2423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:11,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3776 Valid, 3452 Invalid, 2423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:57:11,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2022-10-16 03:57:11,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 986. [2022-10-16 03:57:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 964 states have (on average 1.3060165975103735) internal successors, (1259), 985 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1259 transitions. [2022-10-16 03:57:11,649 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1259 transitions. Word has length 100 [2022-10-16 03:57:11,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:11,650 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1259 transitions. [2022-10-16 03:57:11,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1259 transitions. [2022-10-16 03:57:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:57:11,652 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:11,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:11,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 03:57:11,652 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:11,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:11,653 INFO L85 PathProgramCache]: Analyzing trace with hash 964528316, now seen corresponding path program 1 times [2022-10-16 03:57:11,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:11,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088233558] [2022-10-16 03:57:11,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:11,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:12,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:12,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088233558] [2022-10-16 03:57:12,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088233558] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:12,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:12,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:57:12,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547677026] [2022-10-16 03:57:12,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:12,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:12,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:12,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:12,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:12,354 INFO L87 Difference]: Start difference. First operand 986 states and 1259 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:15,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:15,582 INFO L93 Difference]: Finished difference Result 2914 states and 4000 transitions. [2022-10-16 03:57:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:57:15,582 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:57:15,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:15,586 INFO L225 Difference]: With dead ends: 2914 [2022-10-16 03:57:15,586 INFO L226 Difference]: Without dead ends: 2914 [2022-10-16 03:57:15,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:57:15,587 INFO L413 NwaCegarLoop]: 949 mSDtfsCounter, 5464 mSDsluCounter, 3248 mSDsCounter, 0 mSdLazyCounter, 2926 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5464 SdHoareTripleChecker+Valid, 4197 SdHoareTripleChecker+Invalid, 3424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 2926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:15,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5464 Valid, 4197 Invalid, 3424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 2926 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 03:57:15,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2022-10-16 03:57:15,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 991. [2022-10-16 03:57:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 969 states have (on average 1.3044375644994841) internal successors, (1264), 990 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1264 transitions. [2022-10-16 03:57:15,608 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1264 transitions. Word has length 100 [2022-10-16 03:57:15,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:15,608 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1264 transitions. [2022-10-16 03:57:15,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1264 transitions. [2022-10-16 03:57:15,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:57:15,610 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:15,610 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 03:57:15,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-10-16 03:57:15,611 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:15,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:15,611 INFO L85 PathProgramCache]: Analyzing trace with hash 205443651, now seen corresponding path program 1 times [2022-10-16 03:57:15,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:15,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155108233] [2022-10-16 03:57:15,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:15,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:15,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155108233] [2022-10-16 03:57:15,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155108233] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:15,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:15,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:15,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30321202] [2022-10-16 03:57:15,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:15,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:15,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:15,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:15,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:15,953 INFO L87 Difference]: Start difference. First operand 991 states and 1264 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:17,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:17,636 INFO L93 Difference]: Finished difference Result 1751 states and 2289 transitions. [2022-10-16 03:57:17,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:17,637 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:17,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:17,639 INFO L225 Difference]: With dead ends: 1751 [2022-10-16 03:57:17,639 INFO L226 Difference]: Without dead ends: 1751 [2022-10-16 03:57:17,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:17,640 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 3774 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3774 SdHoareTripleChecker+Valid, 3452 SdHoareTripleChecker+Invalid, 2415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:17,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3774 Valid, 3452 Invalid, 2415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:57:17,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2022-10-16 03:57:17,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 991. [2022-10-16 03:57:17,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 969 states have (on average 1.302373581011352) internal successors, (1262), 990 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1262 transitions. [2022-10-16 03:57:17,651 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1262 transitions. Word has length 101 [2022-10-16 03:57:17,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:17,652 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1262 transitions. [2022-10-16 03:57:17,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1262 transitions. [2022-10-16 03:57:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:57:17,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:17,653 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 03:57:17,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-10-16 03:57:17,654 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:17,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:17,654 INFO L85 PathProgramCache]: Analyzing trace with hash 558214531, now seen corresponding path program 1 times [2022-10-16 03:57:17,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:17,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671159035] [2022-10-16 03:57:17,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:17,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:17,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:17,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:17,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671159035] [2022-10-16 03:57:17,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671159035] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:17,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:17,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:17,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910252167] [2022-10-16 03:57:17,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:17,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:17,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:17,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:17,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:17,905 INFO L87 Difference]: Start difference. First operand 991 states and 1262 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:19,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:19,232 INFO L93 Difference]: Finished difference Result 1808 states and 2367 transitions. [2022-10-16 03:57:19,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:19,233 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:19,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:19,235 INFO L225 Difference]: With dead ends: 1808 [2022-10-16 03:57:19,235 INFO L226 Difference]: Without dead ends: 1808 [2022-10-16 03:57:19,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:19,236 INFO L413 NwaCegarLoop]: 663 mSDtfsCounter, 3382 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 1794 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 1886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:19,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 2784 Invalid, 1886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1794 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:19,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2022-10-16 03:57:19,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 991. [2022-10-16 03:57:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 969 states have (on average 1.3003095975232197) internal successors, (1260), 990 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1260 transitions. [2022-10-16 03:57:19,255 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1260 transitions. Word has length 101 [2022-10-16 03:57:19,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:19,255 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1260 transitions. [2022-10-16 03:57:19,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1260 transitions. [2022-10-16 03:57:19,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:57:19,256 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:19,257 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 03:57:19,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-10-16 03:57:19,257 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:19,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:19,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1900513027, now seen corresponding path program 1 times [2022-10-16 03:57:19,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:19,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718527899] [2022-10-16 03:57:19,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:19,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:19,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:19,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718527899] [2022-10-16 03:57:19,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718527899] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:19,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:19,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:57:19,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166231515] [2022-10-16 03:57:19,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:19,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:19,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:19,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:19,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:19,765 INFO L87 Difference]: Start difference. First operand 991 states and 1260 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 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 03:57:22,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:22,714 INFO L93 Difference]: Finished difference Result 2947 states and 4034 transitions. [2022-10-16 03:57:22,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:57:22,715 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 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 03:57:22,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:22,718 INFO L225 Difference]: With dead ends: 2947 [2022-10-16 03:57:22,718 INFO L226 Difference]: Without dead ends: 2947 [2022-10-16 03:57:22,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:57:22,720 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 6364 mSDsluCounter, 2922 mSDsCounter, 0 mSdLazyCounter, 2563 mSolverCounterSat, 541 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6364 SdHoareTripleChecker+Valid, 3784 SdHoareTripleChecker+Invalid, 3104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 541 IncrementalHoareTripleChecker+Valid, 2563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:22,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6364 Valid, 3784 Invalid, 3104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [541 Valid, 2563 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 03:57:22,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2022-10-16 03:57:22,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 1001. [2022-10-16 03:57:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 979 states have (on average 1.2972420837589378) internal successors, (1270), 1000 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1270 transitions. [2022-10-16 03:57:22,738 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1270 transitions. Word has length 101 [2022-10-16 03:57:22,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:22,738 INFO L495 AbstractCegarLoop]: Abstraction has 1001 states and 1270 transitions. [2022-10-16 03:57:22,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 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 03:57:22,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1270 transitions. [2022-10-16 03:57:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:57:22,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:22,740 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 03:57:22,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-10-16 03:57:22,740 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:22,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:22,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1129794877, now seen corresponding path program 1 times [2022-10-16 03:57:22,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:22,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327828827] [2022-10-16 03:57:22,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:22,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:23,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:23,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327828827] [2022-10-16 03:57:23,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327828827] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:23,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:23,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:23,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794809178] [2022-10-16 03:57:23,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:23,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:23,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:23,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:23,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:23,018 INFO L87 Difference]: Start difference. First operand 1001 states and 1270 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:24,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:24,442 INFO L93 Difference]: Finished difference Result 1761 states and 2293 transitions. [2022-10-16 03:57:24,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:24,442 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:24,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:24,444 INFO L225 Difference]: With dead ends: 1761 [2022-10-16 03:57:24,444 INFO L226 Difference]: Without dead ends: 1761 [2022-10-16 03:57:24,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:24,445 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 2097 mSDsluCounter, 2286 mSDsCounter, 0 mSdLazyCounter, 2029 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2097 SdHoareTripleChecker+Valid, 3054 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:24,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2097 Valid, 3054 Invalid, 2129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2029 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:57:24,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2022-10-16 03:57:24,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1001. [2022-10-16 03:57:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 979 states have (on average 1.2951991828396323) internal successors, (1268), 1000 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1268 transitions. [2022-10-16 03:57:24,459 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1268 transitions. Word has length 101 [2022-10-16 03:57:24,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:24,459 INFO L495 AbstractCegarLoop]: Abstraction has 1001 states and 1268 transitions. [2022-10-16 03:57:24,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1268 transitions. [2022-10-16 03:57:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:57:24,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:24,461 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 03:57:24,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-10-16 03:57:24,461 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:24,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:24,462 INFO L85 PathProgramCache]: Analyzing trace with hash 2115351875, now seen corresponding path program 1 times [2022-10-16 03:57:24,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:24,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831259252] [2022-10-16 03:57:24,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:24,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:24,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:24,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831259252] [2022-10-16 03:57:24,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831259252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:24,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:24,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:24,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762462718] [2022-10-16 03:57:24,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:24,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:24,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:24,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:24,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:24,740 INFO L87 Difference]: Start difference. First operand 1001 states and 1268 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:26,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:26,178 INFO L93 Difference]: Finished difference Result 1761 states and 2289 transitions. [2022-10-16 03:57:26,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:26,178 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:26,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:26,181 INFO L225 Difference]: With dead ends: 1761 [2022-10-16 03:57:26,181 INFO L226 Difference]: Without dead ends: 1761 [2022-10-16 03:57:26,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:26,182 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 2095 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2021 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 3056 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:26,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 3056 Invalid, 2121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2021 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:57:26,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2022-10-16 03:57:26,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1001. [2022-10-16 03:57:26,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 979 states have (on average 1.2931562819203268) internal successors, (1266), 1000 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:26,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1266 transitions. [2022-10-16 03:57:26,199 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1266 transitions. Word has length 101 [2022-10-16 03:57:26,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:26,199 INFO L495 AbstractCegarLoop]: Abstraction has 1001 states and 1266 transitions. [2022-10-16 03:57:26,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:26,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1266 transitions. [2022-10-16 03:57:26,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:57:26,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:26,201 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 03:57:26,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-10-16 03:57:26,202 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:26,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:26,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1375787382, now seen corresponding path program 1 times [2022-10-16 03:57:26,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:26,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287361606] [2022-10-16 03:57:26,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:26,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:26,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:26,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287361606] [2022-10-16 03:57:26,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287361606] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:26,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:26,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:26,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604743972] [2022-10-16 03:57:26,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:26,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:26,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:26,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:26,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:26,485 INFO L87 Difference]: Start difference. First operand 1001 states and 1266 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:27,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:27,898 INFO L93 Difference]: Finished difference Result 1812 states and 2378 transitions. [2022-10-16 03:57:27,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:27,899 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:27,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:27,902 INFO L225 Difference]: With dead ends: 1812 [2022-10-16 03:57:27,902 INFO L226 Difference]: Without dead ends: 1812 [2022-10-16 03:57:27,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:27,903 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 3216 mSDsluCounter, 2340 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 3115 SdHoareTripleChecker+Invalid, 2064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:27,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3216 Valid, 3115 Invalid, 2064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2015 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:57:27,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-10-16 03:57:27,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 991. [2022-10-16 03:57:27,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 969 states have (on average 1.2941176470588236) internal successors, (1254), 990 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1254 transitions. [2022-10-16 03:57:27,920 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1254 transitions. Word has length 101 [2022-10-16 03:57:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:27,920 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1254 transitions. [2022-10-16 03:57:27,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1254 transitions. [2022-10-16 03:57:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:57:27,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:27,922 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 03:57:27,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-10-16 03:57:27,922 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:27,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:27,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1041958772, now seen corresponding path program 1 times [2022-10-16 03:57:27,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:27,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284092957] [2022-10-16 03:57:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:27,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:28,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:28,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:28,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284092957] [2022-10-16 03:57:28,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284092957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:28,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:28,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:28,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850789383] [2022-10-16 03:57:28,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:28,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:28,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:28,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:28,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:28,197 INFO L87 Difference]: Start difference. First operand 991 states and 1254 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:29,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:29,610 INFO L93 Difference]: Finished difference Result 1812 states and 2377 transitions. [2022-10-16 03:57:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:29,611 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:29,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:29,614 INFO L225 Difference]: With dead ends: 1812 [2022-10-16 03:57:29,614 INFO L226 Difference]: Without dead ends: 1812 [2022-10-16 03:57:29,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:29,615 INFO L413 NwaCegarLoop]: 808 mSDtfsCounter, 3088 mSDsluCounter, 2471 mSDsCounter, 0 mSdLazyCounter, 2068 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3088 SdHoareTripleChecker+Valid, 3279 SdHoareTripleChecker+Invalid, 2117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:29,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3088 Valid, 3279 Invalid, 2117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2068 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:57:29,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-10-16 03:57:29,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 986. [2022-10-16 03:57:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 964 states have (on average 1.2946058091286308) internal successors, (1248), 985 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1248 transitions. [2022-10-16 03:57:29,628 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1248 transitions. Word has length 101 [2022-10-16 03:57:29,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:29,629 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1248 transitions. [2022-10-16 03:57:29,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1248 transitions. [2022-10-16 03:57:29,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:57:29,630 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:29,631 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 03:57:29,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-10-16 03:57:29,631 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:29,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:29,632 INFO L85 PathProgramCache]: Analyzing trace with hash 650753541, now seen corresponding path program 1 times [2022-10-16 03:57:29,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:29,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651653210] [2022-10-16 03:57:29,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:29,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:29,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:29,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651653210] [2022-10-16 03:57:29,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651653210] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:29,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:29,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:29,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344067904] [2022-10-16 03:57:29,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:29,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:29,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:29,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:29,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:29,902 INFO L87 Difference]: Start difference. First operand 986 states and 1248 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:31,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:31,333 INFO L93 Difference]: Finished difference Result 1812 states and 2376 transitions. [2022-10-16 03:57:31,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:31,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:31,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:31,336 INFO L225 Difference]: With dead ends: 1812 [2022-10-16 03:57:31,337 INFO L226 Difference]: Without dead ends: 1812 [2022-10-16 03:57:31,337 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 03:57:31,337 INFO L413 NwaCegarLoop]: 842 mSDtfsCounter, 3955 mSDsluCounter, 2545 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 3387 SdHoareTripleChecker+Invalid, 2178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:31,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3955 Valid, 3387 Invalid, 2178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:57:31,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-10-16 03:57:31,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 981. [2022-10-16 03:57:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 959 states have (on average 1.2950990615224192) internal successors, (1242), 980 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:31,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1242 transitions. [2022-10-16 03:57:31,354 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1242 transitions. Word has length 101 [2022-10-16 03:57:31,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:31,354 INFO L495 AbstractCegarLoop]: Abstraction has 981 states and 1242 transitions. [2022-10-16 03:57:31,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 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 03:57:31,355 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1242 transitions. [2022-10-16 03:57:31,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:57:31,356 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:31,356 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 03:57:31,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-10-16 03:57:31,357 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:31,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:31,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1048495107, now seen corresponding path program 1 times [2022-10-16 03:57:31,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:31,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200380359] [2022-10-16 03:57:31,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:31,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:31,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:31,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200380359] [2022-10-16 03:57:31,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200380359] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:31,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:31,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:57:31,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838238144] [2022-10-16 03:57:31,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:31,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:31,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:31,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:31,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:31,887 INFO L87 Difference]: Start difference. First operand 981 states and 1242 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 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 03:57:34,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:34,613 INFO L93 Difference]: Finished difference Result 2491 states and 3350 transitions. [2022-10-16 03:57:34,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:57:34,614 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 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 03:57:34,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:34,616 INFO L225 Difference]: With dead ends: 2491 [2022-10-16 03:57:34,616 INFO L226 Difference]: Without dead ends: 2491 [2022-10-16 03:57:34,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:57:34,619 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 5762 mSDsluCounter, 2509 mSDsCounter, 0 mSdLazyCounter, 2202 mSolverCounterSat, 706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5762 SdHoareTripleChecker+Valid, 3279 SdHoareTripleChecker+Invalid, 2908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 706 IncrementalHoareTripleChecker+Valid, 2202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:34,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5762 Valid, 3279 Invalid, 2908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [706 Valid, 2202 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 03:57:34,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2022-10-16 03:57:34,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 986. [2022-10-16 03:57:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 964 states have (on average 1.2935684647302905) internal successors, (1247), 985 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1247 transitions. [2022-10-16 03:57:34,636 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1247 transitions. Word has length 101 [2022-10-16 03:57:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:34,636 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1247 transitions. [2022-10-16 03:57:34,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 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 03:57:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1247 transitions. [2022-10-16 03:57:34,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:57:34,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:34,637 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 03:57:34,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-10-16 03:57:34,638 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:34,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:34,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1646856919, now seen corresponding path program 1 times [2022-10-16 03:57:34,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:34,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858497057] [2022-10-16 03:57:34,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:34,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:35,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:35,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:35,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858497057] [2022-10-16 03:57:35,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858497057] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:35,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:35,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:57:35,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509967360] [2022-10-16 03:57:35,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:35,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:35,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:35,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:35,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:35,243 INFO L87 Difference]: Start difference. First operand 986 states and 1247 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:37,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:37,141 INFO L93 Difference]: Finished difference Result 2039 states and 2705 transitions. [2022-10-16 03:57:37,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:57:37,142 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:37,144 INFO L225 Difference]: With dead ends: 2039 [2022-10-16 03:57:37,144 INFO L226 Difference]: Without dead ends: 2039 [2022-10-16 03:57:37,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:57:37,146 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 4070 mSDsluCounter, 4238 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4070 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:37,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4070 Valid, 5295 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:57:37,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2022-10-16 03:57:37,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 984. [2022-10-16 03:57:37,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.292099792099792) internal successors, (1243), 983 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1243 transitions. [2022-10-16 03:57:37,158 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1243 transitions. Word has length 102 [2022-10-16 03:57:37,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:37,158 INFO L495 AbstractCegarLoop]: Abstraction has 984 states and 1243 transitions. [2022-10-16 03:57:37,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1243 transitions. [2022-10-16 03:57:37,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:57:37,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:37,160 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 03:57:37,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-10-16 03:57:37,160 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:37,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:37,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1088930121, now seen corresponding path program 1 times [2022-10-16 03:57:37,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:37,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094743925] [2022-10-16 03:57:37,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:37,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:37,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:37,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094743925] [2022-10-16 03:57:37,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094743925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:37,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:37,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:57:37,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451452136] [2022-10-16 03:57:37,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:37,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:57:37,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:37,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:57:37,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:57:37,908 INFO L87 Difference]: Start difference. First operand 984 states and 1243 transitions. Second operand has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 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 03:57:39,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:39,517 INFO L93 Difference]: Finished difference Result 3204 states and 4291 transitions. [2022-10-16 03:57:39,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 03:57:39,518 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 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 03:57:39,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:39,522 INFO L225 Difference]: With dead ends: 3204 [2022-10-16 03:57:39,522 INFO L226 Difference]: Without dead ends: 3204 [2022-10-16 03:57:39,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:57:39,523 INFO L413 NwaCegarLoop]: 1623 mSDtfsCounter, 5171 mSDsluCounter, 10166 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5171 SdHoareTripleChecker+Valid, 11789 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:39,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5171 Valid, 11789 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:57:39,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2022-10-16 03:57:39,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 932. [2022-10-16 03:57:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 911 states have (on average 1.2908891328210756) internal successors, (1176), 931 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1176 transitions. [2022-10-16 03:57:39,546 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1176 transitions. Word has length 102 [2022-10-16 03:57:39,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:39,546 INFO L495 AbstractCegarLoop]: Abstraction has 932 states and 1176 transitions. [2022-10-16 03:57:39,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 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 03:57:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1176 transitions. [2022-10-16 03:57:39,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:57:39,547 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:39,547 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 03:57:39,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-10-16 03:57:39,547 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:39,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:39,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1385332425, now seen corresponding path program 1 times [2022-10-16 03:57:39,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:39,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105768918] [2022-10-16 03:57:39,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:39,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:40,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:40,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:40,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105768918] [2022-10-16 03:57:40,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105768918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:40,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:40,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:57:40,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667875702] [2022-10-16 03:57:40,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:40,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:40,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:40,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:40,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:40,226 INFO L87 Difference]: Start difference. First operand 932 states and 1176 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:41,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:41,283 INFO L93 Difference]: Finished difference Result 2175 states and 2897 transitions. [2022-10-16 03:57:41,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:57:41,284 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:41,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:41,286 INFO L225 Difference]: With dead ends: 2175 [2022-10-16 03:57:41,286 INFO L226 Difference]: Without dead ends: 2175 [2022-10-16 03:57:41,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:57:41,287 INFO L413 NwaCegarLoop]: 1262 mSDtfsCounter, 4132 mSDsluCounter, 5987 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4132 SdHoareTripleChecker+Valid, 7249 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:41,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4132 Valid, 7249 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:57:41,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2175 states. [2022-10-16 03:57:41,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2175 to 859. [2022-10-16 03:57:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 841 states have (on average 1.2889417360285376) internal successors, (1084), 858 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:41,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1084 transitions. [2022-10-16 03:57:41,299 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1084 transitions. Word has length 102 [2022-10-16 03:57:41,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:41,299 INFO L495 AbstractCegarLoop]: Abstraction has 859 states and 1084 transitions. [2022-10-16 03:57:41,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:41,299 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1084 transitions. [2022-10-16 03:57:41,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:57:41,300 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:41,300 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 03:57:41,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-10-16 03:57:41,300 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:41,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:41,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1283351432, now seen corresponding path program 1 times [2022-10-16 03:57:41,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:41,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100641538] [2022-10-16 03:57:41,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:41,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:41,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:41,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100641538] [2022-10-16 03:57:41,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100641538] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:41,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:41,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:41,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678605449] [2022-10-16 03:57:41,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:41,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:41,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:41,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:41,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:41,579 INFO L87 Difference]: Start difference. First operand 859 states and 1084 transitions. Second operand has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 8 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 03:57:43,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:43,011 INFO L93 Difference]: Finished difference Result 1693 states and 2217 transitions. [2022-10-16 03:57:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:43,011 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 8 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 03:57:43,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:43,013 INFO L225 Difference]: With dead ends: 1693 [2022-10-16 03:57:43,014 INFO L226 Difference]: Without dead ends: 1693 [2022-10-16 03:57:43,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:43,014 INFO L413 NwaCegarLoop]: 866 mSDtfsCounter, 1744 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 3458 SdHoareTripleChecker+Invalid, 2266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:43,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 3458 Invalid, 2266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2236 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:57:43,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2022-10-16 03:57:43,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 849. [2022-10-16 03:57:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 831 states have (on average 1.2900120336943441) internal successors, (1072), 848 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1072 transitions. [2022-10-16 03:57:43,025 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1072 transitions. Word has length 102 [2022-10-16 03:57:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:43,026 INFO L495 AbstractCegarLoop]: Abstraction has 849 states and 1072 transitions. [2022-10-16 03:57:43,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 8 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 03:57:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1072 transitions. [2022-10-16 03:57:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:57:43,027 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:43,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:43,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-10-16 03:57:43,027 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:43,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:43,028 INFO L85 PathProgramCache]: Analyzing trace with hash 411891703, now seen corresponding path program 1 times [2022-10-16 03:57:43,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:43,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403438858] [2022-10-16 03:57:43,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:43,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:43,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:43,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403438858] [2022-10-16 03:57:43,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403438858] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:43,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:43,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:57:43,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896512391] [2022-10-16 03:57:43,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:43,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:43,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:43,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:43,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:43,589 INFO L87 Difference]: Start difference. First operand 849 states and 1072 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:44,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:44,373 INFO L93 Difference]: Finished difference Result 1155 states and 1537 transitions. [2022-10-16 03:57:44,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:57:44,373 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:44,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:44,374 INFO L225 Difference]: With dead ends: 1155 [2022-10-16 03:57:44,374 INFO L226 Difference]: Without dead ends: 1155 [2022-10-16 03:57:44,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:44,375 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3354 mSDsluCounter, 4355 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3354 SdHoareTripleChecker+Valid, 5215 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:44,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3354 Valid, 5215 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:57:44,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2022-10-16 03:57:44,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 626. [2022-10-16 03:57:44,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 613 states have (on average 1.2936378466557912) internal successors, (793), 625 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:44,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 793 transitions. [2022-10-16 03:57:44,381 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 793 transitions. Word has length 102 [2022-10-16 03:57:44,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:44,381 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 793 transitions. [2022-10-16 03:57:44,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 793 transitions. [2022-10-16 03:57:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:57:44,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:44,382 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 03:57:44,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-10-16 03:57:44,383 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:44,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:44,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2070282935, now seen corresponding path program 1 times [2022-10-16 03:57:44,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:44,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846039670] [2022-10-16 03:57:44,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:44,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:44,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:44,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846039670] [2022-10-16 03:57:44,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846039670] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:44,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:44,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:57:44,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578395075] [2022-10-16 03:57:44,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:44,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:44,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:44,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:44,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:44,937 INFO L87 Difference]: Start difference. First operand 626 states and 793 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:45,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:45,690 INFO L93 Difference]: Finished difference Result 1122 states and 1511 transitions. [2022-10-16 03:57:45,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:57:45,691 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:45,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:45,692 INFO L225 Difference]: With dead ends: 1122 [2022-10-16 03:57:45,692 INFO L226 Difference]: Without dead ends: 1122 [2022-10-16 03:57:45,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:57:45,693 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 2901 mSDsluCounter, 2688 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2901 SdHoareTripleChecker+Valid, 3390 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:45,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2901 Valid, 3390 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:57:45,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2022-10-16 03:57:45,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 536. [2022-10-16 03:57:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 524 states have (on average 1.297709923664122) internal successors, (680), 535 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 680 transitions. [2022-10-16 03:57:45,700 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 680 transitions. Word has length 102 [2022-10-16 03:57:45,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:45,701 INFO L495 AbstractCegarLoop]: Abstraction has 536 states and 680 transitions. [2022-10-16 03:57:45,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:45,701 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 680 transitions. [2022-10-16 03:57:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:57:45,701 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:45,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:45,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-10-16 03:57:45,702 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:45,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:45,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1059722039, now seen corresponding path program 1 times [2022-10-16 03:57:45,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:45,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583547190] [2022-10-16 03:57:45,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:45,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:46,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:46,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583547190] [2022-10-16 03:57:46,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583547190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:46,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:46,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:57:46,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295064998] [2022-10-16 03:57:46,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:46,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:46,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:46,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:46,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:46,338 INFO L87 Difference]: Start difference. First operand 536 states and 680 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:47,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:47,182 INFO L93 Difference]: Finished difference Result 1620 states and 2191 transitions. [2022-10-16 03:57:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:57:47,182 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:47,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:47,184 INFO L225 Difference]: With dead ends: 1620 [2022-10-16 03:57:47,184 INFO L226 Difference]: Without dead ends: 1620 [2022-10-16 03:57:47,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:57:47,185 INFO L413 NwaCegarLoop]: 1043 mSDtfsCounter, 2871 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 4841 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:47,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2871 Valid, 4841 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:57:47,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2022-10-16 03:57:47,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 481. [2022-10-16 03:57:47,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 470 states have (on average 1.297872340425532) internal successors, (610), 480 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:47,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 610 transitions. [2022-10-16 03:57:47,192 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 610 transitions. Word has length 102 [2022-10-16 03:57:47,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:47,192 INFO L495 AbstractCegarLoop]: Abstraction has 481 states and 610 transitions. [2022-10-16 03:57:47,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:47,192 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 610 transitions. [2022-10-16 03:57:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:57:47,202 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:47,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:47,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-10-16 03:57:47,203 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:47,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:47,204 INFO L85 PathProgramCache]: Analyzing trace with hash 2015954551, now seen corresponding path program 1 times [2022-10-16 03:57:47,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:47,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780214166] [2022-10-16 03:57:47,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:47,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:47,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:47,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780214166] [2022-10-16 03:57:47,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780214166] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:47,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:47,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:57:47,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624597914] [2022-10-16 03:57:47,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:47,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:57:47,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:47,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:57:47,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:57:47,956 INFO L87 Difference]: Start difference. First operand 481 states and 610 transitions. Second operand has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 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 03:57:49,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:49,370 INFO L93 Difference]: Finished difference Result 2195 states and 3051 transitions. [2022-10-16 03:57:49,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:57:49,370 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 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 03:57:49,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:49,373 INFO L225 Difference]: With dead ends: 2195 [2022-10-16 03:57:49,373 INFO L226 Difference]: Without dead ends: 2195 [2022-10-16 03:57:49,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:57:49,374 INFO L413 NwaCegarLoop]: 1171 mSDtfsCounter, 2372 mSDsluCounter, 7737 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2372 SdHoareTripleChecker+Valid, 8908 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:49,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2372 Valid, 8908 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:57:49,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2022-10-16 03:57:49,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 449. [2022-10-16 03:57:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 439 states have (on average 1.2984054669703873) internal successors, (570), 448 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 570 transitions. [2022-10-16 03:57:49,383 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 570 transitions. Word has length 102 [2022-10-16 03:57:49,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:49,384 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 570 transitions. [2022-10-16 03:57:49,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 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 03:57:49,384 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 570 transitions. [2022-10-16 03:57:49,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:57:49,384 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:49,384 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 03:57:49,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-10-16 03:57:49,385 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:49,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:49,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1489984663, now seen corresponding path program 1 times [2022-10-16 03:57:49,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:49,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242629282] [2022-10-16 03:57:49,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:49,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:49,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:49,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242629282] [2022-10-16 03:57:49,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242629282] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:49,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:49,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:57:49,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212973927] [2022-10-16 03:57:49,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:49,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:49,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:49,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:49,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:49,966 INFO L87 Difference]: Start difference. First operand 449 states and 570 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:50,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:50,933 INFO L93 Difference]: Finished difference Result 1280 states and 1773 transitions. [2022-10-16 03:57:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:57:50,934 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:50,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:50,935 INFO L225 Difference]: With dead ends: 1280 [2022-10-16 03:57:50,935 INFO L226 Difference]: Without dead ends: 1280 [2022-10-16 03:57:50,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:57:50,936 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 2189 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 3402 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:50,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 3402 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:57:50,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2022-10-16 03:57:50,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 448. [2022-10-16 03:57:50,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 438 states have (on average 1.2968036529680365) internal successors, (568), 447 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:50,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 568 transitions. [2022-10-16 03:57:50,944 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 568 transitions. Word has length 102 [2022-10-16 03:57:50,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:50,944 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 568 transitions. [2022-10-16 03:57:50,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 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 03:57:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 568 transitions. [2022-10-16 03:57:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:57:50,945 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:50,945 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 03:57:50,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-10-16 03:57:50,945 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:50,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:50,946 INFO L85 PathProgramCache]: Analyzing trace with hash 883083848, now seen corresponding path program 1 times [2022-10-16 03:57:50,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:50,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570697] [2022-10-16 03:57:50,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:50,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:51,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:51,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:51,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570697] [2022-10-16 03:57:51,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570697] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:51,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:51,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:57:51,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55268496] [2022-10-16 03:57:51,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:51,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:51,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:51,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:51,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:51,668 INFO L87 Difference]: Start difference. First operand 448 states and 568 transitions. Second operand has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 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 03:57:52,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:52,477 INFO L93 Difference]: Finished difference Result 684 states and 885 transitions. [2022-10-16 03:57:52,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:57:52,477 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 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 03:57:52,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:52,478 INFO L225 Difference]: With dead ends: 684 [2022-10-16 03:57:52,478 INFO L226 Difference]: Without dead ends: 684 [2022-10-16 03:57:52,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:52,479 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 1509 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 2164 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:52,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 2164 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:57:52,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2022-10-16 03:57:52,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 438. [2022-10-16 03:57:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 429 states have (on average 1.289044289044289) internal successors, (553), 437 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 553 transitions. [2022-10-16 03:57:52,484 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 553 transitions. Word has length 103 [2022-10-16 03:57:52,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:52,484 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 553 transitions. [2022-10-16 03:57:52,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 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 03:57:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 553 transitions. [2022-10-16 03:57:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:57:52,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:52,485 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 03:57:52,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-10-16 03:57:52,486 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:52,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:52,486 INFO L85 PathProgramCache]: Analyzing trace with hash -989398264, now seen corresponding path program 1 times [2022-10-16 03:57:52,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:52,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060260788] [2022-10-16 03:57:52,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:52,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:53,109 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 03:57:53,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:53,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060260788] [2022-10-16 03:57:53,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060260788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:53,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:53,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:57:53,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889264906] [2022-10-16 03:57:53,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:53,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:57:53,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:53,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:57:53,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:57:53,111 INFO L87 Difference]: Start difference. First operand 438 states and 553 transitions. Second operand has 13 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 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 03:57:54,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:54,602 INFO L93 Difference]: Finished difference Result 2037 states and 2839 transitions. [2022-10-16 03:57:54,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:57:54,602 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 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 03:57:54,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:54,605 INFO L225 Difference]: With dead ends: 2037 [2022-10-16 03:57:54,606 INFO L226 Difference]: Without dead ends: 2037 [2022-10-16 03:57:54,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:57:54,606 INFO L413 NwaCegarLoop]: 1276 mSDtfsCounter, 2205 mSDsluCounter, 8328 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 9604 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:54,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 9604 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:57:54,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2037 states. [2022-10-16 03:57:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2037 to 381. [2022-10-16 03:57:54,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 375 states have (on average 1.2826666666666666) internal successors, (481), 380 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 481 transitions. [2022-10-16 03:57:54,620 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 481 transitions. Word has length 103 [2022-10-16 03:57:54,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:54,620 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 481 transitions. [2022-10-16 03:57:54,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 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 03:57:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 481 transitions. [2022-10-16 03:57:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:57:54,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:54,621 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 03:57:54,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-10-16 03:57:54,622 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:54,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:54,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1769701400, now seen corresponding path program 1 times [2022-10-16 03:57:54,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:54,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844907817] [2022-10-16 03:57:54,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:54,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:55,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:55,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844907817] [2022-10-16 03:57:55,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844907817] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:55,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:55,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:57:55,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259430770] [2022-10-16 03:57:55,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:55,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:55,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:55,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:55,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:55,401 INFO L87 Difference]: Start difference. First operand 381 states and 481 transitions. Second operand has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 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 03:57:56,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:56,140 INFO L93 Difference]: Finished difference Result 595 states and 770 transitions. [2022-10-16 03:57:56,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:57:56,141 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 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 03:57:56,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:56,142 INFO L225 Difference]: With dead ends: 595 [2022-10-16 03:57:56,142 INFO L226 Difference]: Without dead ends: 595 [2022-10-16 03:57:56,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:57:56,143 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 1540 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:56,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 1529 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:57:56,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-10-16 03:57:56,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 377. [2022-10-16 03:57:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 372 states have (on average 1.2795698924731183) internal successors, (476), 376 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 476 transitions. [2022-10-16 03:57:56,148 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 476 transitions. Word has length 103 [2022-10-16 03:57:56,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:56,148 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 476 transitions. [2022-10-16 03:57:56,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 12 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 03:57:56,149 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 476 transitions. [2022-10-16 03:57:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:57:56,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:56,149 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 03:57:56,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-10-16 03:57:56,150 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:56,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:56,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2005053800, now seen corresponding path program 1 times [2022-10-16 03:57:56,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:56,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039570887] [2022-10-16 03:57:56,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:56,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:56,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:56,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039570887] [2022-10-16 03:57:56,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039570887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:56,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:56,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:57:56,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60681531] [2022-10-16 03:57:56,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:56,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 03:57:56,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:56,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 03:57:56,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:57:56,856 INFO L87 Difference]: Start difference. First operand 377 states and 476 transitions. Second operand has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 11 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 03:57:57,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:57,558 INFO L93 Difference]: Finished difference Result 822 states and 1127 transitions. [2022-10-16 03:57:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:57,558 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 11 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 03:57:57,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:57,559 INFO L225 Difference]: With dead ends: 822 [2022-10-16 03:57:57,559 INFO L226 Difference]: Without dead ends: 822 [2022-10-16 03:57:57,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:57:57,560 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 1638 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:57,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 1571 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:57:57,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2022-10-16 03:57:57,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 325. [2022-10-16 03:57:57,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 322 states have (on average 1.2919254658385093) internal successors, (416), 324 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:57,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 416 transitions. [2022-10-16 03:57:57,568 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 416 transitions. Word has length 103 [2022-10-16 03:57:57,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:57,568 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 416 transitions. [2022-10-16 03:57:57,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 11 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 03:57:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 416 transitions. [2022-10-16 03:57:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 03:57:57,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:57,569 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 03:57:57,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-10-16 03:57:57,569 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:57,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:57,570 INFO L85 PathProgramCache]: Analyzing trace with hash -441491864, now seen corresponding path program 1 times [2022-10-16 03:57:57,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:57,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488505531] [2022-10-16 03:57:57,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:57,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:57,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:57,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488505531] [2022-10-16 03:57:57,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488505531] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:57,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:57,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:57,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674559024] [2022-10-16 03:57:57,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:57,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:57,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:57,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:57,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:57,869 INFO L87 Difference]: Start difference. First operand 325 states and 416 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 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 03:57:58,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:58,366 INFO L93 Difference]: Finished difference Result 513 states and 680 transitions. [2022-10-16 03:57:58,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:57:58,366 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 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 03:57:58,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:58,367 INFO L225 Difference]: With dead ends: 513 [2022-10-16 03:57:58,367 INFO L226 Difference]: Without dead ends: 513 [2022-10-16 03:57:58,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-10-16 03:57:58,367 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 1137 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:58,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 784 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:57:58,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2022-10-16 03:57:58,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 325. [2022-10-16 03:57:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 322 states have (on average 1.2888198757763976) internal successors, (415), 324 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 415 transitions. [2022-10-16 03:57:58,371 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 415 transitions. Word has length 105 [2022-10-16 03:57:58,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:58,371 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 415 transitions. [2022-10-16 03:57:58,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 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 03:57:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 415 transitions. [2022-10-16 03:57:58,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 03:57:58,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:58,372 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 03:57:58,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-10-16 03:57:58,372 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:58,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:58,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1706763544, now seen corresponding path program 1 times [2022-10-16 03:57:58,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:58,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684173525] [2022-10-16 03:57:58,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:58,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:58,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:58,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:58,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684173525] [2022-10-16 03:57:58,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684173525] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:58,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:58,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:58,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673651252] [2022-10-16 03:57:58,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:58,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:58,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:58,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:58,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:58,625 INFO L87 Difference]: Start difference. First operand 325 states and 415 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 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 03:57:59,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:59,089 INFO L93 Difference]: Finished difference Result 540 states and 709 transitions. [2022-10-16 03:57:59,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 03:57:59,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 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 03:57:59,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:59,091 INFO L225 Difference]: With dead ends: 540 [2022-10-16 03:57:59,091 INFO L226 Difference]: Without dead ends: 540 [2022-10-16 03:57:59,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-10-16 03:57:59,091 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 687 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:59,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 817 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:57:59,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-10-16 03:57:59,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 325. [2022-10-16 03:57:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 322 states have (on average 1.2826086956521738) internal successors, (413), 324 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 413 transitions. [2022-10-16 03:57:59,097 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 413 transitions. Word has length 105 [2022-10-16 03:57:59,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:59,097 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 413 transitions. [2022-10-16 03:57:59,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 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 03:57:59,098 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 413 transitions. [2022-10-16 03:57:59,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 03:57:59,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:59,098 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 03:57:59,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-10-16 03:57:59,099 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:59,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:59,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1398650157, now seen corresponding path program 1 times [2022-10-16 03:57:59,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:59,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081756773] [2022-10-16 03:57:59,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:59,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:59,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:59,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081756773] [2022-10-16 03:57:59,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081756773] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:59,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:59,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:57:59,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505729023] [2022-10-16 03:57:59,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:59,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:59,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:59,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:59,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:59,750 INFO L87 Difference]: Start difference. First operand 325 states and 413 transitions. Second operand has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 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 03:58:00,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:00,590 INFO L93 Difference]: Finished difference Result 825 states and 1132 transitions. [2022-10-16 03:58:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:58:00,591 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 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 03:58:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:00,592 INFO L225 Difference]: With dead ends: 825 [2022-10-16 03:58:00,592 INFO L226 Difference]: Without dead ends: 825 [2022-10-16 03:58:00,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:58:00,593 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 1154 mSDsluCounter, 2629 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 3170 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:00,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 3170 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:58:00,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2022-10-16 03:58:00,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 319. [2022-10-16 03:58:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 317 states have (on average 1.2807570977917981) internal successors, (406), 318 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 406 transitions. [2022-10-16 03:58:00,597 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 406 transitions. Word has length 107 [2022-10-16 03:58:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:00,597 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 406 transitions. [2022-10-16 03:58:00,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 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 03:58:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 406 transitions. [2022-10-16 03:58:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 03:58:00,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:00,598 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 03:58:00,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-10-16 03:58:00,598 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:00,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:00,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1448357139, now seen corresponding path program 1 times [2022-10-16 03:58:00,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:00,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245596080] [2022-10-16 03:58:00,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:00,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:03,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:03,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245596080] [2022-10-16 03:58:03,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245596080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:03,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:03,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-10-16 03:58:03,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183452182] [2022-10-16 03:58:03,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:03,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-10-16 03:58:03,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:03,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-10-16 03:58:03,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-10-16 03:58:03,153 INFO L87 Difference]: Start difference. First operand 319 states and 406 transitions. Second operand has 31 states, 31 states have (on average 3.4516129032258065) internal successors, (107), 31 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 03:58:07,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:07,781 INFO L93 Difference]: Finished difference Result 369 states and 459 transitions. [2022-10-16 03:58:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 03:58:07,782 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.4516129032258065) internal successors, (107), 31 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 03:58:07,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:07,782 INFO L225 Difference]: With dead ends: 369 [2022-10-16 03:58:07,782 INFO L226 Difference]: Without dead ends: 369 [2022-10-16 03:58:07,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=508, Invalid=2914, Unknown=0, NotChecked=0, Total=3422 [2022-10-16 03:58:07,783 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 800 mSDsluCounter, 3404 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 3583 SdHoareTripleChecker+Invalid, 2312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:07,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 3583 Invalid, 2312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 03:58:07,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-10-16 03:58:07,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 341. [2022-10-16 03:58:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 339 states have (on average 1.2743362831858407) internal successors, (432), 340 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 432 transitions. [2022-10-16 03:58:07,788 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 432 transitions. Word has length 107 [2022-10-16 03:58:07,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:07,788 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 432 transitions. [2022-10-16 03:58:07,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.4516129032258065) internal successors, (107), 31 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 03:58:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 432 transitions. [2022-10-16 03:58:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 03:58:07,789 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:07,789 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 03:58:07,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-10-16 03:58:07,789 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:07,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:07,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1489766619, now seen corresponding path program 1 times [2022-10-16 03:58:07,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:07,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519145117] [2022-10-16 03:58:07,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:07,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:08,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:08,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519145117] [2022-10-16 03:58:08,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519145117] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:08,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:08,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:58:08,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772006619] [2022-10-16 03:58:08,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:08,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:58:08,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:08,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:58:08,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:58:08,432 INFO L87 Difference]: Start difference. First operand 341 states and 432 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 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 03:58:09,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:09,287 INFO L93 Difference]: Finished difference Result 873 states and 1191 transitions. [2022-10-16 03:58:09,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:58:09,287 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 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 03:58:09,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:09,288 INFO L225 Difference]: With dead ends: 873 [2022-10-16 03:58:09,288 INFO L226 Difference]: Without dead ends: 873 [2022-10-16 03:58:09,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:58:09,289 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 1056 mSDsluCounter, 2221 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 2781 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:09,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 2781 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:58:09,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2022-10-16 03:58:09,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 306. [2022-10-16 03:58:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 1.2819672131147541) internal successors, (391), 305 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 391 transitions. [2022-10-16 03:58:09,295 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 391 transitions. Word has length 108 [2022-10-16 03:58:09,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:09,295 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 391 transitions. [2022-10-16 03:58:09,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 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 03:58:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 391 transitions. [2022-10-16 03:58:09,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 03:58:09,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:09,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:09,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-10-16 03:58:09,296 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:09,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:09,297 INFO L85 PathProgramCache]: Analyzing trace with hash 442348771, now seen corresponding path program 1 times [2022-10-16 03:58:09,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:09,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562617659] [2022-10-16 03:58:09,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:09,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:09,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:09,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562617659] [2022-10-16 03:58:09,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562617659] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:09,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:09,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:09,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79273756] [2022-10-16 03:58:09,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:09,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:58:09,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:09,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:58:09,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:58:09,481 INFO L87 Difference]: Start difference. First operand 306 states and 391 transitions. Second operand has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:09,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:09,705 INFO L93 Difference]: Finished difference Result 1934 states and 2787 transitions. [2022-10-16 03:58:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 03:58:09,705 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 03:58:09,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:09,707 INFO L225 Difference]: With dead ends: 1934 [2022-10-16 03:58:09,707 INFO L226 Difference]: Without dead ends: 1934 [2022-10-16 03:58:09,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-10-16 03:58:09,708 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 2329 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:09,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 1886 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:58:09,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-10-16 03:58:09,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 452. [2022-10-16 03:58:09,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 451 states have (on average 1.3436807095343681) internal successors, (606), 451 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:09,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 606 transitions. [2022-10-16 03:58:09,715 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 606 transitions. Word has length 140 [2022-10-16 03:58:09,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:09,715 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 606 transitions. [2022-10-16 03:58:09,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:09,715 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 606 transitions. [2022-10-16 03:58:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 03:58:09,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:09,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:09,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-10-16 03:58:09,716 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:09,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:09,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1151920748, now seen corresponding path program 1 times [2022-10-16 03:58:09,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:09,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126669960] [2022-10-16 03:58:09,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:09,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:09,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:09,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126669960] [2022-10-16 03:58:09,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126669960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:09,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:09,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:09,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592904434] [2022-10-16 03:58:09,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:09,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:58:09,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:09,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:58:09,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:58:09,916 INFO L87 Difference]: Start difference. First operand 452 states and 606 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:10,058 INFO L93 Difference]: Finished difference Result 2070 states and 2995 transitions. [2022-10-16 03:58:10,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:58:10,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 03:58:10,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:10,060 INFO L225 Difference]: With dead ends: 2070 [2022-10-16 03:58:10,060 INFO L226 Difference]: Without dead ends: 2070 [2022-10-16 03:58:10,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:58:10,060 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 1929 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:10,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1929 Valid, 1248 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:58:10,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2022-10-16 03:58:10,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 744. [2022-10-16 03:58:10,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 743 states have (on average 1.3970390309555856) internal successors, (1038), 743 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1038 transitions. [2022-10-16 03:58:10,070 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1038 transitions. Word has length 142 [2022-10-16 03:58:10,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:10,070 INFO L495 AbstractCegarLoop]: Abstraction has 744 states and 1038 transitions. [2022-10-16 03:58:10,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,070 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1038 transitions. [2022-10-16 03:58:10,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 03:58:10,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:10,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:10,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-10-16 03:58:10,071 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:10,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:10,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1593810451, now seen corresponding path program 1 times [2022-10-16 03:58:10,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:10,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917950626] [2022-10-16 03:58:10,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:10,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:10,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:10,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917950626] [2022-10-16 03:58:10,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917950626] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:10,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:10,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:58:10,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141323540] [2022-10-16 03:58:10,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:10,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:58:10,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:10,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:58:10,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:58:10,169 INFO L87 Difference]: Start difference. First operand 744 states and 1038 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:10,197 INFO L93 Difference]: Finished difference Result 1278 states and 1797 transitions. [2022-10-16 03:58:10,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:58:10,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 03:58:10,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:10,199 INFO L225 Difference]: With dead ends: 1278 [2022-10-16 03:58:10,199 INFO L226 Difference]: Without dead ends: 1278 [2022-10-16 03:58:10,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:58:10,200 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 98 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:10,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 545 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:58:10,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2022-10-16 03:58:10,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1276. [2022-10-16 03:58:10,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1275 states have (on average 1.4086274509803922) internal successors, (1796), 1275 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1796 transitions. [2022-10-16 03:58:10,216 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1796 transitions. Word has length 142 [2022-10-16 03:58:10,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:10,216 INFO L495 AbstractCegarLoop]: Abstraction has 1276 states and 1796 transitions. [2022-10-16 03:58:10,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1796 transitions. [2022-10-16 03:58:10,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 03:58:10,217 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:10,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:10,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-10-16 03:58:10,218 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:10,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:10,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1660303963, now seen corresponding path program 1 times [2022-10-16 03:58:10,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:10,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147429822] [2022-10-16 03:58:10,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:10,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:10,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:10,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147429822] [2022-10-16 03:58:10,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147429822] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:10,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:10,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:10,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172801599] [2022-10-16 03:58:10,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:10,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:58:10,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:10,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:58:10,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:58:10,554 INFO L87 Difference]: Start difference. First operand 1276 states and 1796 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:10,786 INFO L93 Difference]: Finished difference Result 1278 states and 1793 transitions. [2022-10-16 03:58:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:58:10,787 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 03:58:10,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:10,788 INFO L225 Difference]: With dead ends: 1278 [2022-10-16 03:58:10,788 INFO L226 Difference]: Without dead ends: 1278 [2022-10-16 03:58:10,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:58:10,789 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 1127 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1127 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:10,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1127 Valid, 760 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:58:10,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2022-10-16 03:58:10,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1276. [2022-10-16 03:58:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1275 states have (on average 1.4054901960784314) internal successors, (1792), 1275 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1792 transitions. [2022-10-16 03:58:10,798 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1792 transitions. Word has length 142 [2022-10-16 03:58:10,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:10,799 INFO L495 AbstractCegarLoop]: Abstraction has 1276 states and 1792 transitions. [2022-10-16 03:58:10,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1792 transitions. [2022-10-16 03:58:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 03:58:10,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:10,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:10,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-10-16 03:58:10,800 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:10,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:10,800 INFO L85 PathProgramCache]: Analyzing trace with hash 455110252, now seen corresponding path program 1 times [2022-10-16 03:58:10,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:10,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433616841] [2022-10-16 03:58:10,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:10,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:11,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:11,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433616841] [2022-10-16 03:58:11,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433616841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:11,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:11,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:11,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341062838] [2022-10-16 03:58:11,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:11,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:58:11,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:11,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:58:11,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:58:11,011 INFO L87 Difference]: Start difference. First operand 1276 states and 1792 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:11,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:11,166 INFO L93 Difference]: Finished difference Result 4358 states and 6258 transitions. [2022-10-16 03:58:11,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:58:11,167 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 03:58:11,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:11,171 INFO L225 Difference]: With dead ends: 4358 [2022-10-16 03:58:11,171 INFO L226 Difference]: Without dead ends: 4358 [2022-10-16 03:58:11,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:58:11,172 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 1795 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 1291 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:11,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 1291 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:58:11,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4358 states. [2022-10-16 03:58:11,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4358 to 2114. [2022-10-16 03:58:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 2113 states have (on average 1.4216753431140559) internal successors, (3004), 2113 states have internal predecessors, (3004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3004 transitions. [2022-10-16 03:58:11,201 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3004 transitions. Word has length 142 [2022-10-16 03:58:11,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:11,201 INFO L495 AbstractCegarLoop]: Abstraction has 2114 states and 3004 transitions. [2022-10-16 03:58:11,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:11,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3004 transitions. [2022-10-16 03:58:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 03:58:11,202 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:11,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:11,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-10-16 03:58:11,202 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:11,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:11,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1544803220, now seen corresponding path program 1 times [2022-10-16 03:58:11,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:11,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747985282] [2022-10-16 03:58:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:11,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:11,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:11,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747985282] [2022-10-16 03:58:11,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747985282] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:11,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:11,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:11,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479632334] [2022-10-16 03:58:11,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:11,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:58:11,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:11,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:58:11,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:58:11,400 INFO L87 Difference]: Start difference. First operand 2114 states and 3004 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:11,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:11,581 INFO L93 Difference]: Finished difference Result 4916 states and 7066 transitions. [2022-10-16 03:58:11,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:58:11,581 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 03:58:11,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:11,586 INFO L225 Difference]: With dead ends: 4916 [2022-10-16 03:58:11,586 INFO L226 Difference]: Without dead ends: 4916 [2022-10-16 03:58:11,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:58:11,587 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 1646 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1646 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:11,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1646 Valid, 1427 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:58:11,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4916 states. [2022-10-16 03:58:11,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4916 to 2672. [2022-10-16 03:58:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 2671 states have (on average 1.4271808311493823) internal successors, (3812), 2671 states have internal predecessors, (3812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3812 transitions. [2022-10-16 03:58:11,620 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3812 transitions. Word has length 142 [2022-10-16 03:58:11,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:11,620 INFO L495 AbstractCegarLoop]: Abstraction has 2672 states and 3812 transitions. [2022-10-16 03:58:11,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3812 transitions. [2022-10-16 03:58:11,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 03:58:11,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:11,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:11,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-10-16 03:58:11,622 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:11,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:11,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1663653780, now seen corresponding path program 1 times [2022-10-16 03:58:11,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:11,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981004746] [2022-10-16 03:58:11,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:11,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:11,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:11,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981004746] [2022-10-16 03:58:11,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981004746] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:11,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:11,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:11,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496091274] [2022-10-16 03:58:11,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:11,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:58:11,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:11,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:58:11,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:58:11,822 INFO L87 Difference]: Start difference. First operand 2672 states and 3812 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:11,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:11,994 INFO L93 Difference]: Finished difference Result 5474 states and 7874 transitions. [2022-10-16 03:58:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:58:11,995 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-16 03:58:11,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:11,999 INFO L225 Difference]: With dead ends: 5474 [2022-10-16 03:58:11,999 INFO L226 Difference]: Without dead ends: 5474 [2022-10-16 03:58:11,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:58:12,000 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 1600 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1600 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:12,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1600 Valid, 1551 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:58:12,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5474 states. [2022-10-16 03:58:12,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5474 to 3230. [2022-10-16 03:58:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3230 states, 3229 states have (on average 1.4307835243109321) internal successors, (4620), 3229 states have internal predecessors, (4620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 3230 states and 4620 transitions. [2022-10-16 03:58:12,038 INFO L78 Accepts]: Start accepts. Automaton has 3230 states and 4620 transitions. Word has length 142 [2022-10-16 03:58:12,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:12,038 INFO L495 AbstractCegarLoop]: Abstraction has 3230 states and 4620 transitions. [2022-10-16 03:58:12,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 4620 transitions. [2022-10-16 03:58:12,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 03:58:12,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:12,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:12,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-10-16 03:58:12,040 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:12,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:12,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1946851732, now seen corresponding path program 1 times [2022-10-16 03:58:12,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:12,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032339469] [2022-10-16 03:58:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:12,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat