/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:56:26,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:56:26,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:56:26,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 03:56:26,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 03:56:26,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 03:56:26,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 03:56:26,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 03:56:26,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 03:56:26,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 03:56:26,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 03:56:26,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 03:56:26,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:56:26,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:56:26,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:56:26,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:56:26,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:56:26,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:56:26,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:56:26,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:56:26,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:56:26,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:56:26,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:56:26,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:56:26,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 03:56:26,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:56:26,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:56:26,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:56:26,945 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 03:56:26,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:56:26,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:56:26,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:56:26,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:56:26,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:56:26,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:56:26,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:56:26,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:56:26,988 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:56:26,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:56:26,989 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:56:26,989 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:56:26,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:56:26,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:56:26,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:56:26,990 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:56:26,990 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:56:26,990 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:56:26,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:56:26,990 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:56:26,992 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:56:26,992 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:56:26,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:56:26,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:56:26,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:56:26,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:56:26,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:56:26,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:56:26,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:56:26,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:56:26,995 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:56:27,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:56:27,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:56:27,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:56:27,509 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:56:27,511 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:56:27,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2022-10-16 03:56:27,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb10b323/39aed782b7e941d0b5f8ae53f84d37da/FLAGe88b9447d [2022-10-16 03:56:28,575 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:56:28,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2022-10-16 03:56:28,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb10b323/39aed782b7e941d0b5f8ae53f84d37da/FLAGe88b9447d [2022-10-16 03:56:29,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb10b323/39aed782b7e941d0b5f8ae53f84d37da [2022-10-16 03:56:29,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:56:29,124 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:56:29,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:56:29,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:56:29,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:56:29,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:56:29" (1/1) ... [2022-10-16 03:56:29,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1824e0c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:29, skipping insertion in model container [2022-10-16 03:56:29,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:56:29" (1/1) ... [2022-10-16 03:56:29,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:56:29,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:56:29,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[14181,14194] [2022-10-16 03:56:29,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[18885,18898] [2022-10-16 03:56:29,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20177,20190] [2022-10-16 03:56:29,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20935,20948] [2022-10-16 03:56:29,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[22598,22611] [2022-10-16 03:56:29,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[23356,23369] [2022-10-16 03:56:29,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[24485,24498] [2022-10-16 03:56:29,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27110,27123] [2022-10-16 03:56:29,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27871,27884] [2022-10-16 03:56:29,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[29003,29016] [2022-10-16 03:56:29,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[31094,31107] [2022-10-16 03:56:29,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35189,35202] [2022-10-16 03:56:29,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35950,35963] [2022-10-16 03:56:29,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[37043,37056] [2022-10-16 03:56:30,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[39095,39108] [2022-10-16 03:56:30,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[42827,42840] [2022-10-16 03:56:30,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50005,50018] [2022-10-16 03:56:30,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50766,50779] [2022-10-16 03:56:30,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[51898,51911] [2022-10-16 03:56:30,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[53989,54002] [2022-10-16 03:56:30,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[57550,57563] [2022-10-16 03:56:30,200 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[63548,63561] [2022-10-16 03:56:30,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:56:30,675 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:56:30,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[14181,14194] [2022-10-16 03:56:30,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[18885,18898] [2022-10-16 03:56:30,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20177,20190] [2022-10-16 03:56:30,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20935,20948] [2022-10-16 03:56:30,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[22598,22611] [2022-10-16 03:56:30,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[23356,23369] [2022-10-16 03:56:30,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[24485,24498] [2022-10-16 03:56:30,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27110,27123] [2022-10-16 03:56:30,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27871,27884] [2022-10-16 03:56:30,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[29003,29016] [2022-10-16 03:56:30,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[31094,31107] [2022-10-16 03:56:30,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35189,35202] [2022-10-16 03:56:30,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35950,35963] [2022-10-16 03:56:30,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[37043,37056] [2022-10-16 03:56:30,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[39095,39108] [2022-10-16 03:56:30,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[42827,42840] [2022-10-16 03:56:30,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50005,50018] [2022-10-16 03:56:30,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50766,50779] [2022-10-16 03:56:30,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[51898,51911] [2022-10-16 03:56:30,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[53989,54002] [2022-10-16 03:56:30,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[57550,57563] [2022-10-16 03:56:31,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[63548,63561] [2022-10-16 03:56:31,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:56:31,387 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:56:31,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31 WrapperNode [2022-10-16 03:56:31,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:56:31,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:56:31,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:56:31,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:56:31,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,655 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6591 [2022-10-16 03:56:31,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:56:31,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:56:31,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:56:31,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:56:31,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:56:31,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:56:31,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:56:31,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:56:31,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (1/1) ... [2022-10-16 03:56:31,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:56:31,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:56:31,931 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 03:56:31,952 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 03:56:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:56:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:56:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:56:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:56:32,448 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:56:32,451 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:56:35,889 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:56:35,945 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:56:35,945 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:56:35,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:56:35 BoogieIcfgContainer [2022-10-16 03:56:35,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:56:35,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:56:35,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:56:35,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:56:35,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:56:29" (1/3) ... [2022-10-16 03:56:35,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cacd199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:56:35, skipping insertion in model container [2022-10-16 03:56:35,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:31" (2/3) ... [2022-10-16 03:56:35,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cacd199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:56:35, skipping insertion in model container [2022-10-16 03:56:35,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:56:35" (3/3) ... [2022-10-16 03:56:35,966 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2022-10-16 03:56:35,992 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:56:35,992 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2022-10-16 03:56:36,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:56:36,119 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;@67a72891, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:56:36,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2022-10-16 03:56:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 1132 states, 1108 states have (on average 1.8564981949458483) internal successors, (2057), 1131 states have internal predecessors, (2057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:56:36,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:36,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:56:36,147 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 03:56:36,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:36,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1085093, now seen corresponding path program 1 times [2022-10-16 03:56:36,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:36,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853223287] [2022-10-16 03:56:36,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:36,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:36,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:36,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:36,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853223287] [2022-10-16 03:56:36,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853223287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:36,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:36,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:56:36,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069861893] [2022-10-16 03:56:36,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:36,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:56:36,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:36,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:56:36,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:56:36,627 INFO L87 Difference]: Start difference. First operand has 1132 states, 1108 states have (on average 1.8564981949458483) internal successors, (2057), 1131 states have internal predecessors, (2057), 0 states have call successors, (0), 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 03:56:36,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:36,782 INFO L93 Difference]: Finished difference Result 1131 states and 2034 transitions. [2022-10-16 03:56:36,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:56:36,792 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 03:56:36,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:36,835 INFO L225 Difference]: With dead ends: 1131 [2022-10-16 03:56:36,836 INFO L226 Difference]: Without dead ends: 1128 [2022-10-16 03:56:36,839 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 03:56:36,850 INFO L413 NwaCegarLoop]: 2033 mSDtfsCounter, 2031 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 2033 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 03:56:36,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 2033 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:56:36,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-10-16 03:56:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2022-10-16 03:56:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1106 states have (on average 1.274864376130199) internal successors, (1410), 1127 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1410 transitions. [2022-10-16 03:56:36,994 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1410 transitions. Word has length 4 [2022-10-16 03:56:36,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:36,994 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1410 transitions. [2022-10-16 03:56:36,995 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 03:56:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1410 transitions. [2022-10-16 03:56:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 03:56:37,008 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:37,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:37,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:56:37,009 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 03:56:37,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:37,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1995797141, now seen corresponding path program 1 times [2022-10-16 03:56:37,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:37,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840624001] [2022-10-16 03:56:37,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:37,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:37,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:37,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840624001] [2022-10-16 03:56:37,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840624001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:37,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:37,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:56:37,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474860381] [2022-10-16 03:56:37,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:37,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:56:37,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:37,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:56:37,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:56:37,566 INFO L87 Difference]: Start difference. First operand 1128 states and 1410 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:38,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:38,384 INFO L93 Difference]: Finished difference Result 875 states and 1124 transitions. [2022-10-16 03:56:38,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:56:38,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 03:56:38,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:38,391 INFO L225 Difference]: With dead ends: 875 [2022-10-16 03:56:38,391 INFO L226 Difference]: Without dead ends: 875 [2022-10-16 03:56:38,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:56:38,393 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 3313 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:38,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 670 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:56:38,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2022-10-16 03:56:38,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 875. [2022-10-16 03:56:38,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 853 states have (on average 1.317702227432591) internal successors, (1124), 874 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1124 transitions. [2022-10-16 03:56:38,418 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1124 transitions. Word has length 86 [2022-10-16 03:56:38,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:38,419 INFO L495 AbstractCegarLoop]: Abstraction has 875 states and 1124 transitions. [2022-10-16 03:56:38,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:38,419 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1124 transitions. [2022-10-16 03:56:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:56:38,424 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:38,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:38,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:56:38,425 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:38,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:38,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1029751, now seen corresponding path program 1 times [2022-10-16 03:56:38,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:38,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507248634] [2022-10-16 03:56:38,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:38,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:38,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:38,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507248634] [2022-10-16 03:56:38,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507248634] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:38,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:38,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:56:38,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86258351] [2022-10-16 03:56:38,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:38,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:56:38,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:38,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:56:38,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:56:38,707 INFO L87 Difference]: Start difference. First operand 875 states and 1124 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 03:56:39,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:39,369 INFO L93 Difference]: Finished difference Result 771 states and 1003 transitions. [2022-10-16 03:56:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:56:39,370 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 03:56:39,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:39,375 INFO L225 Difference]: With dead ends: 771 [2022-10-16 03:56:39,375 INFO L226 Difference]: Without dead ends: 771 [2022-10-16 03:56:39,376 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 03:56:39,384 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 2864 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2864 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:39,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2864 Valid, 569 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:56:39,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2022-10-16 03:56:39,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 771. [2022-10-16 03:56:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 749 states have (on average 1.3391188251001336) internal successors, (1003), 770 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:39,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1003 transitions. [2022-10-16 03:56:39,417 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1003 transitions. Word has length 87 [2022-10-16 03:56:39,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:39,419 INFO L495 AbstractCegarLoop]: Abstraction has 771 states and 1003 transitions. [2022-10-16 03:56:39,420 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 03:56:39,420 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1003 transitions. [2022-10-16 03:56:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 03:56:39,425 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:39,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:39,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:56:39,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:39,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:39,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1805729392, now seen corresponding path program 1 times [2022-10-16 03:56:39,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:39,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070495342] [2022-10-16 03:56:39,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:39,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:39,737 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 03:56:39,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:39,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070495342] [2022-10-16 03:56:39,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070495342] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:39,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:39,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:56:39,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056926631] [2022-10-16 03:56:39,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:39,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:56:39,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:39,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:56:39,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:56:39,740 INFO L87 Difference]: Start difference. First operand 771 states and 1003 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:40,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:40,268 INFO L93 Difference]: Finished difference Result 707 states and 930 transitions. [2022-10-16 03:56:40,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:56:40,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 03:56:40,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:40,274 INFO L225 Difference]: With dead ends: 707 [2022-10-16 03:56:40,274 INFO L226 Difference]: Without dead ends: 707 [2022-10-16 03:56:40,275 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 03:56:40,279 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 2679 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2679 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:40,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2679 Valid, 537 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:56:40,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2022-10-16 03:56:40,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2022-10-16 03:56:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 685 states have (on average 1.3576642335766422) internal successors, (930), 706 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 930 transitions. [2022-10-16 03:56:40,303 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 930 transitions. Word has length 88 [2022-10-16 03:56:40,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:40,304 INFO L495 AbstractCegarLoop]: Abstraction has 707 states and 930 transitions. [2022-10-16 03:56:40,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 930 transitions. [2022-10-16 03:56:40,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 03:56:40,307 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:40,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:40,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:56:40,308 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:40,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:40,309 INFO L85 PathProgramCache]: Analyzing trace with hash 19097864, now seen corresponding path program 1 times [2022-10-16 03:56:40,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:40,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182926838] [2022-10-16 03:56:40,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:40,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:40,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:40,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182926838] [2022-10-16 03:56:40,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182926838] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:40,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:40,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:56:40,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739691843] [2022-10-16 03:56:40,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:40,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:56:40,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:40,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:56:40,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:56:40,612 INFO L87 Difference]: Start difference. First operand 707 states and 930 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 03:56:41,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:41,101 INFO L93 Difference]: Finished difference Result 666 states and 884 transitions. [2022-10-16 03:56:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:56:41,102 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 03:56:41,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:41,108 INFO L225 Difference]: With dead ends: 666 [2022-10-16 03:56:41,108 INFO L226 Difference]: Without dead ends: 666 [2022-10-16 03:56:41,110 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 03:56:41,115 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 2579 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:41,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 512 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:56:41,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2022-10-16 03:56:41,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 666. [2022-10-16 03:56:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.3726708074534162) internal successors, (884), 665 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:41,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 884 transitions. [2022-10-16 03:56:41,133 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 884 transitions. Word has length 89 [2022-10-16 03:56:41,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:41,133 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 884 transitions. [2022-10-16 03:56:41,133 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 03:56:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 884 transitions. [2022-10-16 03:56:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 03:56:41,144 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:41,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:41,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:56:41,145 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:41,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:41,146 INFO L85 PathProgramCache]: Analyzing trace with hash 817016169, now seen corresponding path program 1 times [2022-10-16 03:56:41,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:41,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998715513] [2022-10-16 03:56:41,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:41,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:41,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:41,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998715513] [2022-10-16 03:56:41,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998715513] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:41,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:41,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:56:41,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590744823] [2022-10-16 03:56:41,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:41,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:56:41,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:41,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:56:41,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:56:41,416 INFO L87 Difference]: Start difference. First operand 666 states and 884 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:41,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:41,867 INFO L93 Difference]: Finished difference Result 647 states and 862 transitions. [2022-10-16 03:56:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:56:41,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 03:56:41,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:41,872 INFO L225 Difference]: With dead ends: 647 [2022-10-16 03:56:41,872 INFO L226 Difference]: Without dead ends: 647 [2022-10-16 03:56:41,872 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 03:56:41,873 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 2496 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2496 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:41,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2496 Valid, 501 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:56:41,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2022-10-16 03:56:41,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2022-10-16 03:56:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3792) internal successors, (862), 646 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 862 transitions. [2022-10-16 03:56:41,893 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 862 transitions. Word has length 90 [2022-10-16 03:56:41,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:41,893 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 862 transitions. [2022-10-16 03:56:41,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 862 transitions. [2022-10-16 03:56:41,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 03:56:41,896 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:41,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:41,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:56:41,897 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:41,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:41,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1321361543, now seen corresponding path program 1 times [2022-10-16 03:56:41,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:41,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453981826] [2022-10-16 03:56:41,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:41,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:42,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:42,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453981826] [2022-10-16 03:56:42,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453981826] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:42,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:42,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:56:42,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751004036] [2022-10-16 03:56:42,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:42,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:56:42,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:42,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:56:42,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:56:42,176 INFO L87 Difference]: Start difference. First operand 647 states and 862 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 03:56:42,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:42,725 INFO L93 Difference]: Finished difference Result 642 states and 855 transitions. [2022-10-16 03:56:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:56:42,725 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 03:56:42,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:42,729 INFO L225 Difference]: With dead ends: 642 [2022-10-16 03:56:42,729 INFO L226 Difference]: Without dead ends: 642 [2022-10-16 03:56:42,729 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 03:56:42,730 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 2358 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2358 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:42,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2358 Valid, 426 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:56:42,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2022-10-16 03:56:42,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2022-10-16 03:56:42,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3790322580645162) internal successors, (855), 641 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 855 transitions. [2022-10-16 03:56:42,745 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 855 transitions. Word has length 91 [2022-10-16 03:56:42,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:42,746 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 855 transitions. [2022-10-16 03:56:42,746 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 03:56:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 855 transitions. [2022-10-16 03:56:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 03:56:42,748 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:42,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:42,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:56:42,749 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:42,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:42,749 INFO L85 PathProgramCache]: Analyzing trace with hash 471449544, now seen corresponding path program 1 times [2022-10-16 03:56:42,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:42,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828931046] [2022-10-16 03:56:42,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:42,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:43,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:43,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828931046] [2022-10-16 03:56:43,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828931046] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:43,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:43,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:43,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136021661] [2022-10-16 03:56:43,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:43,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:43,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:43,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:43,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:43,304 INFO L87 Difference]: Start difference. First operand 642 states and 855 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:44,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:44,653 INFO L93 Difference]: Finished difference Result 1140 states and 1542 transitions. [2022-10-16 03:56:44,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:44,654 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 03:56:44,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:44,660 INFO L225 Difference]: With dead ends: 1140 [2022-10-16 03:56:44,660 INFO L226 Difference]: Without dead ends: 1140 [2022-10-16 03:56:44,660 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 03:56:44,661 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 2596 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2596 SdHoareTripleChecker+Valid, 2241 SdHoareTripleChecker+Invalid, 1812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:44,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2596 Valid, 2241 Invalid, 1812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:56:44,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-10-16 03:56:44,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 642. [2022-10-16 03:56:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3774193548387097) internal successors, (854), 641 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:44,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 854 transitions. [2022-10-16 03:56:44,681 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 854 transitions. Word has length 92 [2022-10-16 03:56:44,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:44,682 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 854 transitions. [2022-10-16 03:56:44,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:44,682 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 854 transitions. [2022-10-16 03:56:44,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 03:56:44,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:44,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:44,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:56:44,685 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:44,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:44,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1530881816, now seen corresponding path program 1 times [2022-10-16 03:56:44,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:44,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863084980] [2022-10-16 03:56:44,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:44,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:45,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:45,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863084980] [2022-10-16 03:56:45,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863084980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:45,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:45,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:56:45,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681249860] [2022-10-16 03:56:45,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:45,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:56:45,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:45,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:56:45,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:56:45,341 INFO L87 Difference]: Start difference. First operand 642 states and 854 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:47,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:47,226 INFO L93 Difference]: Finished difference Result 1275 states and 1717 transitions. [2022-10-16 03:56:47,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 03:56:47,229 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 03:56:47,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:47,238 INFO L225 Difference]: With dead ends: 1275 [2022-10-16 03:56:47,238 INFO L226 Difference]: Without dead ends: 1275 [2022-10-16 03:56:47,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:56:47,242 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 4477 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 2512 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4477 SdHoareTripleChecker+Valid, 3247 SdHoareTripleChecker+Invalid, 2560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:47,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4477 Valid, 3247 Invalid, 2560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2512 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:56:47,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-10-16 03:56:47,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 645. [2022-10-16 03:56:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.375601926163724) internal successors, (857), 644 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 857 transitions. [2022-10-16 03:56:47,264 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 857 transitions. Word has length 92 [2022-10-16 03:56:47,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:47,264 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 857 transitions. [2022-10-16 03:56:47,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 857 transitions. [2022-10-16 03:56:47,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 03:56:47,267 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:47,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:47,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:56:47,268 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:47,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:47,269 INFO L85 PathProgramCache]: Analyzing trace with hash 348627122, now seen corresponding path program 1 times [2022-10-16 03:56:47,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:47,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528373760] [2022-10-16 03:56:47,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:47,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:47,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:47,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:47,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528373760] [2022-10-16 03:56:47,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528373760] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:47,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:47,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:47,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65996259] [2022-10-16 03:56:47,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:47,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:47,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:47,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:47,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:47,867 INFO L87 Difference]: Start difference. First operand 645 states and 857 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:49,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:49,527 INFO L93 Difference]: Finished difference Result 1144 states and 1544 transitions. [2022-10-16 03:56:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:49,532 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 03:56:49,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:49,538 INFO L225 Difference]: With dead ends: 1144 [2022-10-16 03:56:49,538 INFO L226 Difference]: Without dead ends: 1144 [2022-10-16 03:56:49,539 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 03:56:49,539 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 4480 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2208 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4480 SdHoareTripleChecker+Valid, 2812 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:49,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4480 Valid, 2812 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2208 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:56:49,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-10-16 03:56:49,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 642. [2022-10-16 03:56:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3758064516129032) internal successors, (853), 641 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 853 transitions. [2022-10-16 03:56:49,560 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 853 transitions. Word has length 92 [2022-10-16 03:56:49,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:49,560 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 853 transitions. [2022-10-16 03:56:49,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 853 transitions. [2022-10-16 03:56:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 03:56:49,563 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:49,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:49,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:56:49,564 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:49,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:49,564 INFO L85 PathProgramCache]: Analyzing trace with hash 889427447, now seen corresponding path program 1 times [2022-10-16 03:56:49,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:49,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730125808] [2022-10-16 03:56:49,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:49,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:49,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:49,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730125808] [2022-10-16 03:56:49,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730125808] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:49,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:49,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:56:49,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168537748] [2022-10-16 03:56:49,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:49,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:56:49,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:49,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:56:49,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:56:49,961 INFO L87 Difference]: Start difference. First operand 642 states and 853 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:50,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:50,803 INFO L93 Difference]: Finished difference Result 865 states and 1101 transitions. [2022-10-16 03:56:50,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:56:50,804 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 03:56:50,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:50,808 INFO L225 Difference]: With dead ends: 865 [2022-10-16 03:56:50,809 INFO L226 Difference]: Without dead ends: 865 [2022-10-16 03:56:50,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:56:50,810 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 2797 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:50,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2797 Valid, 1045 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:56:50,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2022-10-16 03:56:50,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 642. [2022-10-16 03:56:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3741935483870968) internal successors, (852), 641 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 852 transitions. [2022-10-16 03:56:50,827 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 852 transitions. Word has length 92 [2022-10-16 03:56:50,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:50,827 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 852 transitions. [2022-10-16 03:56:50,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 852 transitions. [2022-10-16 03:56:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 03:56:50,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:50,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:50,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:56:50,830 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 03:56:50,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:50,831 INFO L85 PathProgramCache]: Analyzing trace with hash -709696546, now seen corresponding path program 1 times [2022-10-16 03:56:50,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:50,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759777638] [2022-10-16 03:56:50,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:50,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:51,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:51,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759777638] [2022-10-16 03:56:51,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759777638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:51,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:51,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:51,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952099894] [2022-10-16 03:56:51,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:51,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:51,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:51,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:51,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:51,230 INFO L87 Difference]: Start difference. First operand 642 states and 852 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:52,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:52,728 INFO L93 Difference]: Finished difference Result 1144 states and 1541 transitions. [2022-10-16 03:56:52,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:52,729 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 03:56:52,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:52,737 INFO L225 Difference]: With dead ends: 1144 [2022-10-16 03:56:52,738 INFO L226 Difference]: Without dead ends: 1144 [2022-10-16 03:56:52,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:52,741 INFO L413 NwaCegarLoop]: 808 mSDtfsCounter, 2340 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 2924 SdHoareTripleChecker+Invalid, 2312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:52,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 2924 Invalid, 2312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:56:52,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-10-16 03:56:52,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 642. [2022-10-16 03:56:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3725806451612903) internal successors, (851), 641 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:52,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 851 transitions. [2022-10-16 03:56:52,761 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 851 transitions. Word has length 94 [2022-10-16 03:56:52,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:52,761 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 851 transitions. [2022-10-16 03:56:52,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:52,762 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 851 transitions. [2022-10-16 03:56:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 03:56:52,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:52,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:52,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:56:52,765 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:52,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:52,765 INFO L85 PathProgramCache]: Analyzing trace with hash -904842275, now seen corresponding path program 1 times [2022-10-16 03:56:52,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:52,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027099468] [2022-10-16 03:56:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:52,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:53,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:53,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027099468] [2022-10-16 03:56:53,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027099468] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:53,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:53,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:53,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216021900] [2022-10-16 03:56:53,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:53,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:53,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:53,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:53,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:53,288 INFO L87 Difference]: Start difference. First operand 642 states and 851 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:54,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:54,797 INFO L93 Difference]: Finished difference Result 1132 states and 1520 transitions. [2022-10-16 03:56:54,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:54,797 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 03:56:54,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:54,803 INFO L225 Difference]: With dead ends: 1132 [2022-10-16 03:56:54,803 INFO L226 Difference]: Without dead ends: 1132 [2022-10-16 03:56:54,804 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 03:56:54,805 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 4786 mSDsluCounter, 1864 mSDsCounter, 0 mSdLazyCounter, 1941 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4786 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:54,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4786 Valid, 2439 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1941 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:56:54,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-10-16 03:56:54,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 642. [2022-10-16 03:56:54,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3709677419354838) internal successors, (850), 641 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 850 transitions. [2022-10-16 03:56:54,824 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 850 transitions. Word has length 94 [2022-10-16 03:56:54,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:54,824 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 850 transitions. [2022-10-16 03:56:54,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:54,824 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 850 transitions. [2022-10-16 03:56:54,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 03:56:54,826 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:54,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:54,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:56:54,827 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:54,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:54,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1510616083, now seen corresponding path program 1 times [2022-10-16 03:56:54,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:54,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697853744] [2022-10-16 03:56:54,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:54,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:55,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:55,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697853744] [2022-10-16 03:56:55,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697853744] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:55,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:55,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:55,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009020098] [2022-10-16 03:56:55,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:55,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:55,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:55,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:55,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:55,208 INFO L87 Difference]: Start difference. First operand 642 states and 850 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:56,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:56,776 INFO L93 Difference]: Finished difference Result 1140 states and 1537 transitions. [2022-10-16 03:56:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:56,777 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 03:56:56,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:56,783 INFO L225 Difference]: With dead ends: 1140 [2022-10-16 03:56:56,783 INFO L226 Difference]: Without dead ends: 1140 [2022-10-16 03:56:56,783 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 03:56:56,784 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 2968 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 2536 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2968 SdHoareTripleChecker+Valid, 3288 SdHoareTripleChecker+Invalid, 2566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:56,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2968 Valid, 3288 Invalid, 2566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2536 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:56:56,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-10-16 03:56:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 642. [2022-10-16 03:56:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3693548387096774) internal successors, (849), 641 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 849 transitions. [2022-10-16 03:56:56,806 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 849 transitions. Word has length 94 [2022-10-16 03:56:56,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:56,806 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 849 transitions. [2022-10-16 03:56:56,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:56,807 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 849 transitions. [2022-10-16 03:56:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 03:56:56,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:56,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:56,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:56:56,810 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:56,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:56,811 INFO L85 PathProgramCache]: Analyzing trace with hash -10217144, now seen corresponding path program 1 times [2022-10-16 03:56:56,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:56,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693528501] [2022-10-16 03:56:56,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:56,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:57,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:57,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693528501] [2022-10-16 03:56:57,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693528501] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:57,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:57,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:57,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554095032] [2022-10-16 03:56:57,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:57,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:57,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:57,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:57,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:57,203 INFO L87 Difference]: Start difference. First operand 642 states and 849 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:58,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:56:58,641 INFO L93 Difference]: Finished difference Result 1140 states and 1535 transitions. [2022-10-16 03:56:58,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:56:58,641 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 03:56:58,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:58,647 INFO L225 Difference]: With dead ends: 1140 [2022-10-16 03:56:58,647 INFO L226 Difference]: Without dead ends: 1140 [2022-10-16 03:56:58,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:56:58,648 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 3268 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 3115 SdHoareTripleChecker+Invalid, 2413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:58,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 3115 Invalid, 2413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2381 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:56:58,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-10-16 03:56:58,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 642. [2022-10-16 03:56:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.367741935483871) internal successors, (848), 641 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 848 transitions. [2022-10-16 03:56:58,666 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 848 transitions. Word has length 94 [2022-10-16 03:56:58,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:58,666 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 848 transitions. [2022-10-16 03:56:58,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:56:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 848 transitions. [2022-10-16 03:56:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 03:56:58,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:58,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:56:58,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:56:58,669 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:56:58,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:58,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1869291794, now seen corresponding path program 1 times [2022-10-16 03:56:58,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:58,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200071535] [2022-10-16 03:56:58,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:58,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:59,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:59,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200071535] [2022-10-16 03:56:59,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200071535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:56:59,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:56:59,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:56:59,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105421372] [2022-10-16 03:56:59,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:56:59,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:56:59,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:59,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:56:59,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:56:59,103 INFO L87 Difference]: Start difference. First operand 642 states and 848 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:00,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:00,345 INFO L93 Difference]: Finished difference Result 1084 states and 1432 transitions. [2022-10-16 03:57:00,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:00,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 03:57:00,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:00,351 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 03:57:00,351 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 03:57:00,351 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 03:57:00,352 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 2444 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 1783 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2444 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:00,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2444 Valid, 2133 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1783 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:00,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 03:57:00,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 642. [2022-10-16 03:57:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3661290322580646) internal successors, (847), 641 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:00,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 847 transitions. [2022-10-16 03:57:00,369 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 847 transitions. Word has length 94 [2022-10-16 03:57:00,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:00,369 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 847 transitions. [2022-10-16 03:57:00,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 847 transitions. [2022-10-16 03:57:00,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 03:57:00,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:00,372 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] [2022-10-16 03:57:00,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:57:00,372 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:00,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:00,373 INFO L85 PathProgramCache]: Analyzing trace with hash 191796868, now seen corresponding path program 1 times [2022-10-16 03:57:00,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:00,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099263807] [2022-10-16 03:57:00,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:00,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:00,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:00,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099263807] [2022-10-16 03:57:00,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099263807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:00,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:00,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:00,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667094006] [2022-10-16 03:57:00,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:00,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:00,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:00,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:00,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:00,846 INFO L87 Difference]: Start difference. First operand 642 states and 847 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:02,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:02,347 INFO L93 Difference]: Finished difference Result 1132 states and 1515 transitions. [2022-10-16 03:57:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:02,348 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 03:57:02,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:02,355 INFO L225 Difference]: With dead ends: 1132 [2022-10-16 03:57:02,355 INFO L226 Difference]: Without dead ends: 1132 [2022-10-16 03:57:02,355 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 03:57:02,356 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 2137 mSDsluCounter, 2209 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 2938 SdHoareTripleChecker+Invalid, 2363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:02,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2137 Valid, 2938 Invalid, 2363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2329 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:57:02,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-10-16 03:57:02,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 642. [2022-10-16 03:57:02,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.364516129032258) internal successors, (846), 641 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:02,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 846 transitions. [2022-10-16 03:57:02,373 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 846 transitions. Word has length 94 [2022-10-16 03:57:02,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:02,373 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 846 transitions. [2022-10-16 03:57:02,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 846 transitions. [2022-10-16 03:57:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 03:57:02,375 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:02,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:02,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:57:02,376 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:02,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:02,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1752938330, now seen corresponding path program 1 times [2022-10-16 03:57:02,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:02,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546190632] [2022-10-16 03:57:02,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:02,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:02,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:02,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546190632] [2022-10-16 03:57:02,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546190632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:02,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:02,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:02,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446953529] [2022-10-16 03:57:02,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:02,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:02,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:02,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:02,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:02,818 INFO L87 Difference]: Start difference. First operand 642 states and 846 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:04,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:04,333 INFO L93 Difference]: Finished difference Result 1132 states and 1514 transitions. [2022-10-16 03:57:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:04,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 03:57:04,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:04,340 INFO L225 Difference]: With dead ends: 1132 [2022-10-16 03:57:04,340 INFO L226 Difference]: Without dead ends: 1132 [2022-10-16 03:57:04,341 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 03:57:04,341 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 4320 mSDsluCounter, 2124 mSDsCounter, 0 mSdLazyCounter, 2201 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4320 SdHoareTripleChecker+Valid, 2781 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 2201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:04,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4320 Valid, 2781 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 2201 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:57:04,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-10-16 03:57:04,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 642. [2022-10-16 03:57:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3629032258064515) internal successors, (845), 641 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 845 transitions. [2022-10-16 03:57:04,358 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 845 transitions. Word has length 94 [2022-10-16 03:57:04,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:04,359 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 845 transitions. [2022-10-16 03:57:04,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 845 transitions. [2022-10-16 03:57:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:04,361 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:04,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:04,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:57:04,361 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:04,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:04,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1333702137, now seen corresponding path program 1 times [2022-10-16 03:57:04,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:04,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869595733] [2022-10-16 03:57:04,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:04,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:04,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:04,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869595733] [2022-10-16 03:57:04,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869595733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:04,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:04,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:04,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483753855] [2022-10-16 03:57:04,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:04,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:04,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:04,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:04,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:04,808 INFO L87 Difference]: Start difference. First operand 642 states and 845 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 03:57:06,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:06,298 INFO L93 Difference]: Finished difference Result 1132 states and 1513 transitions. [2022-10-16 03:57:06,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:06,298 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 03:57:06,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:06,304 INFO L225 Difference]: With dead ends: 1132 [2022-10-16 03:57:06,304 INFO L226 Difference]: Without dead ends: 1132 [2022-10-16 03:57:06,305 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 03:57:06,305 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 4651 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 2053 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4651 SdHoareTripleChecker+Valid, 2663 SdHoareTripleChecker+Invalid, 2126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:06,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4651 Valid, 2663 Invalid, 2126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2053 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:57:06,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-10-16 03:57:06,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 642. [2022-10-16 03:57:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3612903225806452) internal successors, (844), 641 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 844 transitions. [2022-10-16 03:57:06,322 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 844 transitions. Word has length 96 [2022-10-16 03:57:06,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:06,322 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 844 transitions. [2022-10-16 03:57:06,323 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 03:57:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 844 transitions. [2022-10-16 03:57:06,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:06,325 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:06,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:06,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:57:06,325 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:06,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:06,326 INFO L85 PathProgramCache]: Analyzing trace with hash 924856909, now seen corresponding path program 1 times [2022-10-16 03:57:06,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:06,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241122896] [2022-10-16 03:57:06,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:06,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:06,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:06,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241122896] [2022-10-16 03:57:06,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241122896] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:06,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:06,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:06,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809360333] [2022-10-16 03:57:06,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:06,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:06,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:06,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:06,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:06,672 INFO L87 Difference]: Start difference. First operand 642 states and 844 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 03:57:07,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:07,977 INFO L93 Difference]: Finished difference Result 1084 states and 1427 transitions. [2022-10-16 03:57:07,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:07,978 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 03:57:07,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:07,983 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 03:57:07,983 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 03:57:07,983 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 03:57:07,984 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 2428 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 1892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:07,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 2133 Invalid, 1892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:07,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 03:57:07,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 642. [2022-10-16 03:57:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3596774193548387) internal successors, (843), 641 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 843 transitions. [2022-10-16 03:57:08,000 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 843 transitions. Word has length 96 [2022-10-16 03:57:08,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:08,000 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 843 transitions. [2022-10-16 03:57:08,000 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 03:57:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 843 transitions. [2022-10-16 03:57:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:08,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:08,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:08,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:57:08,003 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 03:57:08,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:08,004 INFO L85 PathProgramCache]: Analyzing trace with hash 92967727, now seen corresponding path program 1 times [2022-10-16 03:57:08,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:08,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869737957] [2022-10-16 03:57:08,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:08,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:08,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:08,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869737957] [2022-10-16 03:57:08,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869737957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:08,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:08,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:08,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062978810] [2022-10-16 03:57:08,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:08,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:08,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:08,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:08,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:08,358 INFO L87 Difference]: Start difference. First operand 642 states and 843 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 03:57:09,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:09,826 INFO L93 Difference]: Finished difference Result 1140 states and 1525 transitions. [2022-10-16 03:57:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:09,827 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 03:57:09,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:09,833 INFO L225 Difference]: With dead ends: 1140 [2022-10-16 03:57:09,834 INFO L226 Difference]: Without dead ends: 1140 [2022-10-16 03:57:09,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:09,835 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 3052 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 3134 SdHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:09,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 3134 Invalid, 2411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:57:09,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-10-16 03:57:09,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 642. [2022-10-16 03:57:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3580645161290323) internal successors, (842), 641 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:09,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 842 transitions. [2022-10-16 03:57:09,851 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 842 transitions. Word has length 96 [2022-10-16 03:57:09,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:09,851 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 842 transitions. [2022-10-16 03:57:09,852 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 03:57:09,852 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 842 transitions. [2022-10-16 03:57:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:09,854 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:09,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:09,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:57:09,854 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:09,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:09,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1818861412, now seen corresponding path program 1 times [2022-10-16 03:57:09,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:09,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699680992] [2022-10-16 03:57:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:09,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:10,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:10,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:10,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699680992] [2022-10-16 03:57:10,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699680992] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:10,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:10,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:10,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465576800] [2022-10-16 03:57:10,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:10,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:10,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:10,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:10,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:10,183 INFO L87 Difference]: Start difference. First operand 642 states and 842 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 03:57:11,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:11,457 INFO L93 Difference]: Finished difference Result 1084 states and 1424 transitions. [2022-10-16 03:57:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:11,460 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 03:57:11,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:11,465 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 03:57:11,466 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 03:57:11,466 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 03:57:11,467 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 2420 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 2134 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:11,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 2134 Invalid, 1884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:11,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 03:57:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 642. [2022-10-16 03:57:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3564516129032258) internal successors, (841), 641 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:11,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 841 transitions. [2022-10-16 03:57:11,482 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 841 transitions. Word has length 96 [2022-10-16 03:57:11,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:11,483 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 841 transitions. [2022-10-16 03:57:11,483 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 03:57:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 841 transitions. [2022-10-16 03:57:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:11,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:11,485 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] [2022-10-16 03:57:11,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:57:11,486 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:11,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:11,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1839313585, now seen corresponding path program 1 times [2022-10-16 03:57:11,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:11,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155848504] [2022-10-16 03:57:11,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:11,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:11,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:11,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155848504] [2022-10-16 03:57:11,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155848504] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:11,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:11,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:11,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390080031] [2022-10-16 03:57:11,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:11,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:11,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:11,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:11,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:11,820 INFO L87 Difference]: Start difference. First operand 642 states and 841 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 03:57:13,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:13,082 INFO L93 Difference]: Finished difference Result 1084 states and 1422 transitions. [2022-10-16 03:57:13,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:13,085 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 03:57:13,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:13,089 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 03:57:13,089 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 03:57:13,089 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 03:57:13,090 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 2412 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 1879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:13,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 2137 Invalid, 1879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:13,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 03:57:13,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 642. [2022-10-16 03:57:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3548387096774193) internal successors, (840), 641 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 840 transitions. [2022-10-16 03:57:13,107 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 840 transitions. Word has length 96 [2022-10-16 03:57:13,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:13,107 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 840 transitions. [2022-10-16 03:57:13,107 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 03:57:13,107 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 840 transitions. [2022-10-16 03:57:13,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:13,109 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:13,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:13,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:57:13,110 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:13,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:13,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1859604465, now seen corresponding path program 1 times [2022-10-16 03:57:13,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:13,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897114364] [2022-10-16 03:57:13,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:13,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:13,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:13,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897114364] [2022-10-16 03:57:13,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897114364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:13,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:13,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:13,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933744632] [2022-10-16 03:57:13,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:13,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:13,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:13,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:13,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:13,472 INFO L87 Difference]: Start difference. First operand 642 states and 840 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 03:57:15,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:15,144 INFO L93 Difference]: Finished difference Result 1132 states and 1507 transitions. [2022-10-16 03:57:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:15,144 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 03:57:15,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:15,150 INFO L225 Difference]: With dead ends: 1132 [2022-10-16 03:57:15,150 INFO L226 Difference]: Without dead ends: 1132 [2022-10-16 03:57:15,151 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 03:57:15,151 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 2753 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 2625 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2753 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 2671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:15,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2753 Valid, 3366 Invalid, 2671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2625 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:57:15,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-10-16 03:57:15,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 642. [2022-10-16 03:57:15,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.353225806451613) internal successors, (839), 641 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:15,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 839 transitions. [2022-10-16 03:57:15,167 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 839 transitions. Word has length 96 [2022-10-16 03:57:15,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:15,167 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 839 transitions. [2022-10-16 03:57:15,167 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 03:57:15,168 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 839 transitions. [2022-10-16 03:57:15,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:15,169 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:15,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:15,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:57:15,170 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:15,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:15,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1450759237, now seen corresponding path program 1 times [2022-10-16 03:57:15,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:15,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086326255] [2022-10-16 03:57:15,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:15,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:15,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:15,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086326255] [2022-10-16 03:57:15,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086326255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:15,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:15,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:15,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529745825] [2022-10-16 03:57:15,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:15,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:15,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:15,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:15,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:15,500 INFO L87 Difference]: Start difference. First operand 642 states and 839 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 03:57:16,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:16,811 INFO L93 Difference]: Finished difference Result 1084 states and 1419 transitions. [2022-10-16 03:57:16,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:16,812 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 03:57:16,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:16,817 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 03:57:16,817 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 03:57:16,818 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 03:57:16,818 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 3881 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3881 SdHoareTripleChecker+Valid, 2134 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:16,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3881 Valid, 2134 Invalid, 1973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1748 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:16,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 03:57:16,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 642. [2022-10-16 03:57:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3516129032258064) internal successors, (838), 641 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 838 transitions. [2022-10-16 03:57:16,833 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 838 transitions. Word has length 96 [2022-10-16 03:57:16,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:16,834 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 838 transitions. [2022-10-16 03:57:16,834 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 03:57:16,834 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 838 transitions. [2022-10-16 03:57:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:16,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:16,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:16,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:57:16,836 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:16,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:16,837 INFO L85 PathProgramCache]: Analyzing trace with hash 627769446, now seen corresponding path program 1 times [2022-10-16 03:57:16,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:16,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202814184] [2022-10-16 03:57:16,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:16,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:17,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:17,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202814184] [2022-10-16 03:57:17,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202814184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:17,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:17,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:17,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323560370] [2022-10-16 03:57:17,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:17,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:17,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:17,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:17,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:17,157 INFO L87 Difference]: Start difference. First operand 642 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:18,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:18,597 INFO L93 Difference]: Finished difference Result 1132 states and 1503 transitions. [2022-10-16 03:57:18,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:18,598 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 03:57:18,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:18,603 INFO L225 Difference]: With dead ends: 1132 [2022-10-16 03:57:18,604 INFO L226 Difference]: Without dead ends: 1132 [2022-10-16 03:57:18,604 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 03:57:18,605 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 3124 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3124 SdHoareTripleChecker+Valid, 3125 SdHoareTripleChecker+Invalid, 2423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:18,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3124 Valid, 3125 Invalid, 2423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2373 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:57:18,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-10-16 03:57:18,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 642. [2022-10-16 03:57:18,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.35) internal successors, (837), 641 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 837 transitions. [2022-10-16 03:57:18,638 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 837 transitions. Word has length 96 [2022-10-16 03:57:18,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:18,639 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 837 transitions. [2022-10-16 03:57:18,639 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 03:57:18,639 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 837 transitions. [2022-10-16 03:57:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:18,644 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:18,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:18,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:57:18,644 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:18,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:18,645 INFO L85 PathProgramCache]: Analyzing trace with hash 218924218, now seen corresponding path program 1 times [2022-10-16 03:57:18,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:18,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244864545] [2022-10-16 03:57:18,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:18,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:18,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:18,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244864545] [2022-10-16 03:57:18,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244864545] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:18,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:18,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:18,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114685783] [2022-10-16 03:57:18,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:18,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:18,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:18,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:18,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:18,948 INFO L87 Difference]: Start difference. First operand 642 states and 837 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 03:57:20,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:20,212 INFO L93 Difference]: Finished difference Result 1084 states and 1416 transitions. [2022-10-16 03:57:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:20,213 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 03:57:20,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:20,217 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 03:57:20,217 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 03:57:20,218 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 03:57:20,218 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 2407 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:20,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 2133 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1740 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:20,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 03:57:20,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 642. [2022-10-16 03:57:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3483870967741935) internal successors, (836), 641 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:20,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 836 transitions. [2022-10-16 03:57:20,233 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 836 transitions. Word has length 96 [2022-10-16 03:57:20,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:20,234 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 836 transitions. [2022-10-16 03:57:20,234 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 03:57:20,234 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 836 transitions. [2022-10-16 03:57:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:20,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:20,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:20,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:57:20,237 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:20,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:20,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1223338080, now seen corresponding path program 1 times [2022-10-16 03:57:20,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:20,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745846788] [2022-10-16 03:57:20,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:20,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:20,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:20,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745846788] [2022-10-16 03:57:20,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745846788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:20,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:20,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:20,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770821059] [2022-10-16 03:57:20,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:20,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:20,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:20,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:20,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:20,532 INFO L87 Difference]: Start difference. First operand 642 states and 836 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 03:57:21,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:21,824 INFO L93 Difference]: Finished difference Result 1084 states and 1414 transitions. [2022-10-16 03:57:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:21,825 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 03:57:21,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:21,827 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 03:57:21,827 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 03:57:21,828 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 03:57:21,828 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 2398 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 1739 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:21,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2398 Valid, 2132 Invalid, 1862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1739 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:21,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 03:57:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 642. [2022-10-16 03:57:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.346774193548387) internal successors, (835), 641 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 835 transitions. [2022-10-16 03:57:21,843 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 835 transitions. Word has length 96 [2022-10-16 03:57:21,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:21,843 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 835 transitions. [2022-10-16 03:57:21,843 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 03:57:21,844 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 835 transitions. [2022-10-16 03:57:21,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:21,845 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:21,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:21,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:57:21,846 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:21,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:21,847 INFO L85 PathProgramCache]: Analyzing trace with hash -2013822329, now seen corresponding path program 1 times [2022-10-16 03:57:21,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:21,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809043392] [2022-10-16 03:57:21,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:21,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:22,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:22,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809043392] [2022-10-16 03:57:22,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809043392] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:22,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:22,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:22,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367004495] [2022-10-16 03:57:22,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:22,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:22,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:22,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:22,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:22,194 INFO L87 Difference]: Start difference. First operand 642 states and 835 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 03:57:23,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:23,791 INFO L93 Difference]: Finished difference Result 1132 states and 1499 transitions. [2022-10-16 03:57:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:23,792 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 03:57:23,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:23,806 INFO L225 Difference]: With dead ends: 1132 [2022-10-16 03:57:23,806 INFO L226 Difference]: Without dead ends: 1132 [2022-10-16 03:57:23,806 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 03:57:23,807 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 3649 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3649 SdHoareTripleChecker+Valid, 3258 SdHoareTripleChecker+Invalid, 2535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:23,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3649 Valid, 3258 Invalid, 2535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:57:23,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-10-16 03:57:23,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 642. [2022-10-16 03:57:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3451612903225807) internal successors, (834), 641 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:23,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 834 transitions. [2022-10-16 03:57:23,821 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 834 transitions. Word has length 96 [2022-10-16 03:57:23,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:23,821 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 834 transitions. [2022-10-16 03:57:23,821 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 03:57:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 834 transitions. [2022-10-16 03:57:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:23,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:23,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:23,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:57:23,824 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:23,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:23,824 INFO L85 PathProgramCache]: Analyzing trace with hash -236760265, now seen corresponding path program 1 times [2022-10-16 03:57:23,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:23,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537792524] [2022-10-16 03:57:23,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:23,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:24,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:24,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:24,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537792524] [2022-10-16 03:57:24,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537792524] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:24,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:24,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:24,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245881008] [2022-10-16 03:57:24,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:24,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:24,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:24,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:24,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:24,129 INFO L87 Difference]: Start difference. First operand 642 states and 834 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 03:57:25,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:25,407 INFO L93 Difference]: Finished difference Result 1084 states and 1411 transitions. [2022-10-16 03:57:25,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:25,408 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 03:57:25,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:25,410 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 03:57:25,410 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 03:57:25,411 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 03:57:25,412 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 3476 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3476 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 1917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:25,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3476 Valid, 2137 Invalid, 1917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:25,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 03:57:25,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 642. [2022-10-16 03:57:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3435483870967742) internal successors, (833), 641 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 833 transitions. [2022-10-16 03:57:25,427 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 833 transitions. Word has length 96 [2022-10-16 03:57:25,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:25,427 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 833 transitions. [2022-10-16 03:57:25,427 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 03:57:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 833 transitions. [2022-10-16 03:57:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:25,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:25,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:25,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:57:25,430 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:25,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:25,430 INFO L85 PathProgramCache]: Analyzing trace with hash -872854485, now seen corresponding path program 1 times [2022-10-16 03:57:25,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:25,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325134462] [2022-10-16 03:57:25,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:25,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:26,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:26,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325134462] [2022-10-16 03:57:26,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325134462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:26,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:26,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:57:26,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85654629] [2022-10-16 03:57:26,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:26,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:26,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:26,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:26,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:26,128 INFO L87 Difference]: Start difference. First operand 642 states and 833 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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 03:57:29,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:29,122 INFO L93 Difference]: Finished difference Result 1584 states and 2146 transitions. [2022-10-16 03:57:29,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:57:29,122 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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 03:57:29,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:29,124 INFO L225 Difference]: With dead ends: 1584 [2022-10-16 03:57:29,125 INFO L226 Difference]: Without dead ends: 1584 [2022-10-16 03:57:29,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:57:29,126 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 5081 mSDsluCounter, 2814 mSDsCounter, 0 mSdLazyCounter, 2921 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5081 SdHoareTripleChecker+Valid, 3636 SdHoareTripleChecker+Invalid, 3497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 2921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:29,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5081 Valid, 3636 Invalid, 3497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [576 Valid, 2921 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:57:29,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2022-10-16 03:57:29,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 646. [2022-10-16 03:57:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3413461538461537) internal successors, (837), 645 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 837 transitions. [2022-10-16 03:57:29,148 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 837 transitions. Word has length 96 [2022-10-16 03:57:29,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:29,149 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 837 transitions. [2022-10-16 03:57:29,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 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 03:57:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 837 transitions. [2022-10-16 03:57:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:29,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:29,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:29,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:57:29,151 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:29,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:29,152 INFO L85 PathProgramCache]: Analyzing trace with hash -35876805, now seen corresponding path program 1 times [2022-10-16 03:57:29,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:29,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803340349] [2022-10-16 03:57:29,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:29,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:29,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:29,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803340349] [2022-10-16 03:57:29,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803340349] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:29,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:29,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:29,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708983977] [2022-10-16 03:57:29,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:29,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:29,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:29,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:29,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:29,517 INFO L87 Difference]: Start difference. First operand 646 states and 837 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 03:57:30,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:30,776 INFO L93 Difference]: Finished difference Result 1088 states and 1413 transitions. [2022-10-16 03:57:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:30,777 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 03:57:30,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:30,779 INFO L225 Difference]: With dead ends: 1088 [2022-10-16 03:57:30,779 INFO L226 Difference]: Without dead ends: 1088 [2022-10-16 03:57:30,780 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 03:57:30,781 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 2388 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 1845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:30,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 2137 Invalid, 1845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:30,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-10-16 03:57:30,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 646. [2022-10-16 03:57:30,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3397435897435896) internal successors, (836), 645 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 836 transitions. [2022-10-16 03:57:30,796 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 836 transitions. Word has length 96 [2022-10-16 03:57:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:30,796 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 836 transitions. [2022-10-16 03:57:30,796 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 03:57:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 836 transitions. [2022-10-16 03:57:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:57:30,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:30,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:30,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:57:30,798 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:30,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:30,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1688520017, now seen corresponding path program 1 times [2022-10-16 03:57:30,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:30,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403400261] [2022-10-16 03:57:30,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:30,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:31,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:31,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403400261] [2022-10-16 03:57:31,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403400261] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:31,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:31,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:31,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003067401] [2022-10-16 03:57:31,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:31,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:31,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:31,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:31,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:31,176 INFO L87 Difference]: Start difference. First operand 646 states and 836 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 03:57:32,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:32,960 INFO L93 Difference]: Finished difference Result 1116 states and 1469 transitions. [2022-10-16 03:57:32,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:32,960 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 03:57:32,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:32,963 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:57:32,963 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:57:32,964 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 03:57:32,964 INFO L413 NwaCegarLoop]: 718 mSDtfsCounter, 3635 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 2749 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3635 SdHoareTripleChecker+Valid, 3627 SdHoareTripleChecker+Invalid, 2844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:32,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3635 Valid, 3627 Invalid, 2844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 2749 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:57:32,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:57:32,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 646. [2022-10-16 03:57:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3381410256410255) internal successors, (835), 645 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:32,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 835 transitions. [2022-10-16 03:57:32,977 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 835 transitions. Word has length 96 [2022-10-16 03:57:32,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:32,977 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 835 transitions. [2022-10-16 03:57:32,977 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 03:57:32,978 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 835 transitions. [2022-10-16 03:57:32,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:57:32,979 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:32,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:32,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:57:32,980 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:32,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:32,980 INFO L85 PathProgramCache]: Analyzing trace with hash -392264462, now seen corresponding path program 1 times [2022-10-16 03:57:32,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:32,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232824922] [2022-10-16 03:57:32,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:32,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:33,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:33,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232824922] [2022-10-16 03:57:33,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232824922] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:33,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:33,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:33,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352855612] [2022-10-16 03:57:33,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:33,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:33,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:33,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:33,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:33,283 INFO L87 Difference]: Start difference. First operand 646 states and 835 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 03:57:34,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:34,824 INFO L93 Difference]: Finished difference Result 1116 states and 1468 transitions. [2022-10-16 03:57:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:34,824 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 03:57:34,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:34,827 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:57:34,827 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:57:34,827 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 03:57:34,828 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 1933 mSDsluCounter, 2393 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1933 SdHoareTripleChecker+Valid, 3175 SdHoareTripleChecker+Invalid, 2538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:34,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1933 Valid, 3175 Invalid, 2538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 2481 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:57:34,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:57:34,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 642. [2022-10-16 03:57:34,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3387096774193548) internal successors, (830), 641 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 830 transitions. [2022-10-16 03:57:34,840 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 830 transitions. Word has length 97 [2022-10-16 03:57:34,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:34,840 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 830 transitions. [2022-10-16 03:57:34,840 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 03:57:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 830 transitions. [2022-10-16 03:57:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:34,842 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:34,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:34,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:57:34,842 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:34,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:34,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1799558176, now seen corresponding path program 1 times [2022-10-16 03:57:34,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:34,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175676884] [2022-10-16 03:57:34,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:34,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:35,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:35,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175676884] [2022-10-16 03:57:35,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175676884] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:35,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:35,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:35,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267156990] [2022-10-16 03:57:35,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:35,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:35,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:35,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:35,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:35,219 INFO L87 Difference]: Start difference. First operand 642 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:36,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:36,818 INFO L93 Difference]: Finished difference Result 1084 states and 1406 transitions. [2022-10-16 03:57:36,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:36,818 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 03:57:36,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:36,821 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 03:57:36,821 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 03:57:36,822 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 03:57:36,822 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 3866 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3866 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 2323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:36,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3866 Valid, 2768 Invalid, 2323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 2133 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:57:36,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 03:57:36,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 642. [2022-10-16 03:57:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3370967741935484) internal successors, (829), 641 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:36,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 829 transitions. [2022-10-16 03:57:36,835 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 829 transitions. Word has length 98 [2022-10-16 03:57:36,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:36,835 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 829 transitions. [2022-10-16 03:57:36,836 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 03:57:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 829 transitions. [2022-10-16 03:57:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:36,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:36,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:36,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 03:57:36,838 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:36,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:36,838 INFO L85 PathProgramCache]: Analyzing trace with hash 112638926, now seen corresponding path program 1 times [2022-10-16 03:57:36,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:36,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97810405] [2022-10-16 03:57:36,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:36,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:37,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:37,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97810405] [2022-10-16 03:57:37,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97810405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:37,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:37,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:57:37,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119339701] [2022-10-16 03:57:37,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:37,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:37,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:37,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:37,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:37,413 INFO L87 Difference]: Start difference. First operand 642 states and 829 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:57:40,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:40,527 INFO L93 Difference]: Finished difference Result 1589 states and 2144 transitions. [2022-10-16 03:57:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:57:40,527 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:57:40,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:40,529 INFO L225 Difference]: With dead ends: 1589 [2022-10-16 03:57:40,530 INFO L226 Difference]: Without dead ends: 1589 [2022-10-16 03:57:40,530 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 03:57:40,531 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 6924 mSDsluCounter, 3334 mSDsCounter, 0 mSdLazyCounter, 3232 mSolverCounterSat, 708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6924 SdHoareTripleChecker+Valid, 4103 SdHoareTripleChecker+Invalid, 3940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 708 IncrementalHoareTripleChecker+Valid, 3232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:40,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6924 Valid, 4103 Invalid, 3940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [708 Valid, 3232 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 03:57:40,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-10-16 03:57:40,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 646. [2022-10-16 03:57:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3349358974358974) internal successors, (833), 645 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 833 transitions. [2022-10-16 03:57:40,545 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 833 transitions. Word has length 98 [2022-10-16 03:57:40,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:40,546 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 833 transitions. [2022-10-16 03:57:40,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:57:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 833 transitions. [2022-10-16 03:57:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:40,547 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:40,547 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] [2022-10-16 03:57:40,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:57:40,548 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:40,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:40,548 INFO L85 PathProgramCache]: Analyzing trace with hash 385217934, now seen corresponding path program 1 times [2022-10-16 03:57:40,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:40,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27506017] [2022-10-16 03:57:40,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:40,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:40,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:40,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27506017] [2022-10-16 03:57:40,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27506017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:40,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:40,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:40,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402694800] [2022-10-16 03:57:40,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:40,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:40,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:40,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:40,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:40,892 INFO L87 Difference]: Start difference. First operand 646 states and 833 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 03:57:42,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:42,646 INFO L93 Difference]: Finished difference Result 1116 states and 1464 transitions. [2022-10-16 03:57:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:42,646 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 03:57:42,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:42,648 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:57:42,648 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:57:42,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:42,649 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 4102 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4102 SdHoareTripleChecker+Valid, 3254 SdHoareTripleChecker+Invalid, 2504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:42,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4102 Valid, 3254 Invalid, 2504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:57:42,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:57:42,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 646. [2022-10-16 03:57:42,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3333333333333333) internal successors, (832), 645 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 832 transitions. [2022-10-16 03:57:42,659 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 832 transitions. Word has length 98 [2022-10-16 03:57:42,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:42,659 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 832 transitions. [2022-10-16 03:57:42,660 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 03:57:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 832 transitions. [2022-10-16 03:57:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:42,661 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:42,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:42,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 03:57:42,662 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:42,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:42,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1288712520, now seen corresponding path program 1 times [2022-10-16 03:57:42,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:42,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378291752] [2022-10-16 03:57:42,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:42,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:42,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:42,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378291752] [2022-10-16 03:57:42,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378291752] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:42,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:42,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:42,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198675384] [2022-10-16 03:57:42,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:42,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:42,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:42,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:42,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:42,991 INFO L87 Difference]: Start difference. First operand 646 states and 832 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 03:57:44,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:44,582 INFO L93 Difference]: Finished difference Result 1088 states and 1408 transitions. [2022-10-16 03:57:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:44,583 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 03:57:44,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:44,585 INFO L225 Difference]: With dead ends: 1088 [2022-10-16 03:57:44,585 INFO L226 Difference]: Without dead ends: 1088 [2022-10-16 03:57:44,585 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 03:57:44,586 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 3840 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3840 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 2338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:44,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3840 Valid, 2804 Invalid, 2338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:57:44,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-10-16 03:57:44,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 646. [2022-10-16 03:57:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3317307692307692) internal successors, (831), 645 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 831 transitions. [2022-10-16 03:57:44,596 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 831 transitions. Word has length 98 [2022-10-16 03:57:44,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:44,597 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 831 transitions. [2022-10-16 03:57:44,597 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 03:57:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 831 transitions. [2022-10-16 03:57:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:44,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:44,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:44,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 03:57:44,599 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:44,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:44,600 INFO L85 PathProgramCache]: Analyzing trace with hash -285632464, now seen corresponding path program 1 times [2022-10-16 03:57:44,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:44,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261296872] [2022-10-16 03:57:44,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:44,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:44,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:44,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261296872] [2022-10-16 03:57:44,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261296872] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:44,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:44,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:44,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074353901] [2022-10-16 03:57:44,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:44,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:44,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:44,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:44,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:44,882 INFO L87 Difference]: Start difference. First operand 646 states and 831 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 03:57:46,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:46,307 INFO L93 Difference]: Finished difference Result 1136 states and 1492 transitions. [2022-10-16 03:57:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:46,309 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 03:57:46,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:46,311 INFO L225 Difference]: With dead ends: 1136 [2022-10-16 03:57:46,311 INFO L226 Difference]: Without dead ends: 1136 [2022-10-16 03:57:46,312 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 03:57:46,312 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 4104 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4104 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:46,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4104 Valid, 3101 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2308 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:57:46,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-10-16 03:57:46,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 646. [2022-10-16 03:57:46,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.330128205128205) internal successors, (830), 645 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:46,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 830 transitions. [2022-10-16 03:57:46,323 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 830 transitions. Word has length 98 [2022-10-16 03:57:46,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:46,324 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 830 transitions. [2022-10-16 03:57:46,324 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 03:57:46,324 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 830 transitions. [2022-10-16 03:57:46,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:46,325 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:46,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:46,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 03:57:46,326 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:46,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:46,326 INFO L85 PathProgramCache]: Analyzing trace with hash 131410264, now seen corresponding path program 1 times [2022-10-16 03:57:46,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:46,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738667515] [2022-10-16 03:57:46,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:46,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:46,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:46,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738667515] [2022-10-16 03:57:46,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738667515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:46,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:46,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:46,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964887933] [2022-10-16 03:57:46,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:46,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:46,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:46,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:46,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:46,631 INFO L87 Difference]: Start difference. First operand 646 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:47,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:47,934 INFO L93 Difference]: Finished difference Result 1088 states and 1406 transitions. [2022-10-16 03:57:47,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:47,935 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 03:57:47,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:47,937 INFO L225 Difference]: With dead ends: 1088 [2022-10-16 03:57:47,937 INFO L226 Difference]: Without dead ends: 1088 [2022-10-16 03:57:47,938 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 03:57:47,938 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 2701 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 2228 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:47,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2701 Valid, 2228 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:47,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-10-16 03:57:47,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 646. [2022-10-16 03:57:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.328525641025641) internal successors, (829), 645 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 829 transitions. [2022-10-16 03:57:47,949 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 829 transitions. Word has length 98 [2022-10-16 03:57:47,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:47,949 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 829 transitions. [2022-10-16 03:57:47,949 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 03:57:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 829 transitions. [2022-10-16 03:57:47,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:47,950 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:47,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:47,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 03:57:47,951 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:47,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:47,952 INFO L85 PathProgramCache]: Analyzing trace with hash 2043607366, now seen corresponding path program 1 times [2022-10-16 03:57:47,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:47,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251307181] [2022-10-16 03:57:47,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:47,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:48,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:48,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251307181] [2022-10-16 03:57:48,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251307181] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:48,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:48,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:48,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634065460] [2022-10-16 03:57:48,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:48,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:48,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:48,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:48,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:48,253 INFO L87 Difference]: Start difference. First operand 646 states and 829 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 03:57:50,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:50,028 INFO L93 Difference]: Finished difference Result 1116 states and 1460 transitions. [2022-10-16 03:57:50,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:50,028 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 03:57:50,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:50,031 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:57:50,031 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:57:50,032 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 03:57:50,033 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 3567 mSDsluCounter, 2988 mSDsCounter, 0 mSdLazyCounter, 2771 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3567 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 2865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:50,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3567 Valid, 3736 Invalid, 2865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 2771 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:57:50,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:57:50,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 646. [2022-10-16 03:57:50,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3269230769230769) internal successors, (828), 645 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 828 transitions. [2022-10-16 03:57:50,044 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 828 transitions. Word has length 98 [2022-10-16 03:57:50,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:50,044 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 828 transitions. [2022-10-16 03:57:50,044 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 03:57:50,045 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 828 transitions. [2022-10-16 03:57:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:50,046 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:50,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:50,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 03:57:50,047 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:50,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:50,047 INFO L85 PathProgramCache]: Analyzing trace with hash 530098373, now seen corresponding path program 1 times [2022-10-16 03:57:50,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:50,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165967905] [2022-10-16 03:57:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:50,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:50,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:50,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165967905] [2022-10-16 03:57:50,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165967905] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:50,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:50,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:57:50,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824604933] [2022-10-16 03:57:50,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:50,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:57:50,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:50,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:57:50,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:57:50,579 INFO L87 Difference]: Start difference. First operand 646 states and 828 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:57:53,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:53,697 INFO L93 Difference]: Finished difference Result 1584 states and 2132 transitions. [2022-10-16 03:57:53,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:57:53,697 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:57:53,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:53,700 INFO L225 Difference]: With dead ends: 1584 [2022-10-16 03:57:53,700 INFO L226 Difference]: Without dead ends: 1584 [2022-10-16 03:57:53,701 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 03:57:53,702 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 7706 mSDsluCounter, 3284 mSDsCounter, 0 mSdLazyCounter, 3132 mSolverCounterSat, 715 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7706 SdHoareTripleChecker+Valid, 4066 SdHoareTripleChecker+Invalid, 3847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 715 IncrementalHoareTripleChecker+Valid, 3132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:53,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7706 Valid, 4066 Invalid, 3847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [715 Valid, 3132 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:57:53,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2022-10-16 03:57:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 650. [2022-10-16 03:57:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3248407643312101) internal successors, (832), 649 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 832 transitions. [2022-10-16 03:57:53,714 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 832 transitions. Word has length 98 [2022-10-16 03:57:53,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:53,715 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 832 transitions. [2022-10-16 03:57:53,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:57:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 832 transitions. [2022-10-16 03:57:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:53,717 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:53,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:53,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 03:57:53,717 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:53,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:53,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1144212400, now seen corresponding path program 1 times [2022-10-16 03:57:53,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:53,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727878111] [2022-10-16 03:57:53,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:53,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:54,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:54,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727878111] [2022-10-16 03:57:54,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727878111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:54,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:54,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:54,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603766681] [2022-10-16 03:57:54,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:54,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:54,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:54,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:54,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:54,007 INFO L87 Difference]: Start difference. First operand 650 states and 832 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 03:57:55,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:55,363 INFO L93 Difference]: Finished difference Result 1092 states and 1408 transitions. [2022-10-16 03:57:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:55,364 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 03:57:55,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:55,366 INFO L225 Difference]: With dead ends: 1092 [2022-10-16 03:57:55,366 INFO L226 Difference]: Without dead ends: 1092 [2022-10-16 03:57:55,366 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 03:57:55,367 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 3318 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 2284 SdHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:55,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3318 Valid, 2284 Invalid, 1951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1768 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:57:55,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-10-16 03:57:55,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 650. [2022-10-16 03:57:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3232484076433122) internal successors, (831), 649 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 831 transitions. [2022-10-16 03:57:55,377 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 831 transitions. Word has length 98 [2022-10-16 03:57:55,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:55,377 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 831 transitions. [2022-10-16 03:57:55,377 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 03:57:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 831 transitions. [2022-10-16 03:57:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:55,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:55,379 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] [2022-10-16 03:57:55,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 03:57:55,379 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:55,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:55,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1274413538, now seen corresponding path program 1 times [2022-10-16 03:57:55,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:55,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975478371] [2022-10-16 03:57:55,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:55,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:55,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:55,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975478371] [2022-10-16 03:57:55,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975478371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:55,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:55,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:55,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730983820] [2022-10-16 03:57:55,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:55,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:55,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:55,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:55,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:55,701 INFO L87 Difference]: Start difference. First operand 650 states and 831 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 03:57:57,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:57,376 INFO L93 Difference]: Finished difference Result 1116 states and 1456 transitions. [2022-10-16 03:57:57,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:57,376 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 03:57:57,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:57,380 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:57:57,380 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:57:57,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:57:57,381 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 4091 mSDsluCounter, 2688 mSDsCounter, 0 mSdLazyCounter, 2412 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4091 SdHoareTripleChecker+Valid, 3310 SdHoareTripleChecker+Invalid, 2510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 2412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:57,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4091 Valid, 3310 Invalid, 2510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 2412 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:57:57,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:57:57,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 650. [2022-10-16 03:57:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.321656050955414) internal successors, (830), 649 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 830 transitions. [2022-10-16 03:57:57,393 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 830 transitions. Word has length 98 [2022-10-16 03:57:57,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:57,393 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 830 transitions. [2022-10-16 03:57:57,393 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 03:57:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 830 transitions. [2022-10-16 03:57:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:57,395 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:57,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:57,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 03:57:57,396 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:57,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:57,396 INFO L85 PathProgramCache]: Analyzing trace with hash -2030828310, now seen corresponding path program 1 times [2022-10-16 03:57:57,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:57,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125574732] [2022-10-16 03:57:57,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:57,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:57,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:57,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:57,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125574732] [2022-10-16 03:57:57,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125574732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:57,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:57,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:57,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879140315] [2022-10-16 03:57:57,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:57,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:57,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:57,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:57,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:57,767 INFO L87 Difference]: Start difference. First operand 650 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:59,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:57:59,414 INFO L93 Difference]: Finished difference Result 1092 states and 1406 transitions. [2022-10-16 03:57:59,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:57:59,415 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 03:57:59,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:57:59,417 INFO L225 Difference]: With dead ends: 1092 [2022-10-16 03:57:59,418 INFO L226 Difference]: Without dead ends: 1092 [2022-10-16 03:57:59,418 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 03:57:59,419 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 3784 mSDsluCounter, 2321 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3784 SdHoareTripleChecker+Valid, 2876 SdHoareTripleChecker+Invalid, 2358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:57:59,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3784 Valid, 2876 Invalid, 2358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:57:59,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-10-16 03:57:59,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 650. [2022-10-16 03:57:59,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.320063694267516) internal successors, (829), 649 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:57:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 829 transitions. [2022-10-16 03:57:59,429 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 829 transitions. Word has length 98 [2022-10-16 03:57:59,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:57:59,430 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 829 transitions. [2022-10-16 03:57:59,430 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 03:57:59,430 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 829 transitions. [2022-10-16 03:57:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:57:59,431 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:57:59,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:57:59,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 03:57:59,432 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:57:59,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:57:59,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1081413880, now seen corresponding path program 1 times [2022-10-16 03:57:59,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:57:59,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486626232] [2022-10-16 03:57:59,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:57:59,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:57:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:57:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:57:59,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:57:59,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486626232] [2022-10-16 03:57:59,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486626232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:57:59,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:57:59,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:57:59,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312714615] [2022-10-16 03:57:59,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:57:59,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:57:59,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:57:59,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:57:59,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:57:59,790 INFO L87 Difference]: Start difference. First operand 650 states and 829 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 03:58:01,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:01,452 INFO L93 Difference]: Finished difference Result 1092 states and 1405 transitions. [2022-10-16 03:58:01,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:01,453 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 03:58:01,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:01,455 INFO L225 Difference]: With dead ends: 1092 [2022-10-16 03:58:01,455 INFO L226 Difference]: Without dead ends: 1092 [2022-10-16 03:58:01,455 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 03:58:01,456 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 3782 mSDsluCounter, 2321 mSDsCounter, 0 mSdLazyCounter, 2162 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3782 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 2349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 2162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:01,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3782 Valid, 2877 Invalid, 2349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 2162 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:01,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-10-16 03:58:01,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 650. [2022-10-16 03:58:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3184713375796178) internal successors, (828), 649 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 828 transitions. [2022-10-16 03:58:01,465 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 828 transitions. Word has length 98 [2022-10-16 03:58:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:01,465 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 828 transitions. [2022-10-16 03:58:01,466 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 03:58:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 828 transitions. [2022-10-16 03:58:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:01,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:01,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:01,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 03:58:01,467 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:01,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:01,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1301356314, now seen corresponding path program 1 times [2022-10-16 03:58:01,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:01,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720543639] [2022-10-16 03:58:01,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:01,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:01,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:01,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720543639] [2022-10-16 03:58:01,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720543639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:01,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:01,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:58:01,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155635590] [2022-10-16 03:58:01,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:01,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:58:01,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:01,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:58:01,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:58:01,946 INFO L87 Difference]: Start difference. First operand 650 states and 828 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:05,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:05,154 INFO L93 Difference]: Finished difference Result 1589 states and 2130 transitions. [2022-10-16 03:58:05,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:58:05,155 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:05,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:05,160 INFO L225 Difference]: With dead ends: 1589 [2022-10-16 03:58:05,160 INFO L226 Difference]: Without dead ends: 1589 [2022-10-16 03:58:05,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:58:05,162 INFO L413 NwaCegarLoop]: 778 mSDtfsCounter, 6805 mSDsluCounter, 3369 mSDsCounter, 0 mSdLazyCounter, 3185 mSolverCounterSat, 697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6805 SdHoareTripleChecker+Valid, 4147 SdHoareTripleChecker+Invalid, 3882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 3185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:05,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6805 Valid, 4147 Invalid, 3882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 3185 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 03:58:05,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-10-16 03:58:05,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 654. [2022-10-16 03:58:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3164556962025316) internal successors, (832), 653 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:05,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 832 transitions. [2022-10-16 03:58:05,176 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 832 transitions. Word has length 98 [2022-10-16 03:58:05,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:05,176 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 832 transitions. [2022-10-16 03:58:05,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:05,177 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 832 transitions. [2022-10-16 03:58:05,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:05,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:05,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:05,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 03:58:05,179 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:05,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1591996391, now seen corresponding path program 1 times [2022-10-16 03:58:05,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:05,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787888489] [2022-10-16 03:58:05,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:05,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:05,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:05,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787888489] [2022-10-16 03:58:05,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787888489] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:05,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:05,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:05,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467777331] [2022-10-16 03:58:05,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:05,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:05,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:05,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:05,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:05,484 INFO L87 Difference]: Start difference. First operand 654 states and 832 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 03:58:06,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:06,812 INFO L93 Difference]: Finished difference Result 1096 states and 1408 transitions. [2022-10-16 03:58:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:06,813 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:58:06,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:06,815 INFO L225 Difference]: With dead ends: 1096 [2022-10-16 03:58:06,815 INFO L226 Difference]: Without dead ends: 1096 [2022-10-16 03:58:06,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:06,816 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 2655 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2655 SdHoareTripleChecker+Valid, 2304 SdHoareTripleChecker+Invalid, 1924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:06,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2655 Valid, 2304 Invalid, 1924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:58:06,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2022-10-16 03:58:06,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 654. [2022-10-16 03:58:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3148734177215189) internal successors, (831), 653 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:06,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 831 transitions. [2022-10-16 03:58:06,825 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 831 transitions. Word has length 98 [2022-10-16 03:58:06,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:06,825 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 831 transitions. [2022-10-16 03:58:06,826 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 03:58:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 831 transitions. [2022-10-16 03:58:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:06,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:06,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:06,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 03:58:06,828 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:06,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:06,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1028777306, now seen corresponding path program 1 times [2022-10-16 03:58:06,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:06,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663344291] [2022-10-16 03:58:06,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:06,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:07,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:07,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663344291] [2022-10-16 03:58:07,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663344291] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:07,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:07,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:07,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959026439] [2022-10-16 03:58:07,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:07,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:07,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:07,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:07,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:07,178 INFO L87 Difference]: Start difference. First operand 654 states and 831 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 03:58:08,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:08,985 INFO L93 Difference]: Finished difference Result 1116 states and 1450 transitions. [2022-10-16 03:58:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:08,986 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 03:58:08,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:08,988 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:58:08,988 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:58:08,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:08,989 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 3569 mSDsluCounter, 2925 mSDsCounter, 0 mSdLazyCounter, 2676 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3569 SdHoareTripleChecker+Valid, 3649 SdHoareTripleChecker+Invalid, 2770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:08,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3569 Valid, 3649 Invalid, 2770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 2676 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 03:58:08,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:58:08,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 654. [2022-10-16 03:58:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3132911392405062) internal successors, (830), 653 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:08,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 830 transitions. [2022-10-16 03:58:08,997 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 830 transitions. Word has length 98 [2022-10-16 03:58:08,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:08,998 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 830 transitions. [2022-10-16 03:58:08,998 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 03:58:08,998 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 830 transitions. [2022-10-16 03:58:08,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:08,999 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:08,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:08,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 03:58:08,999 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:09,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:09,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1596017491, now seen corresponding path program 1 times [2022-10-16 03:58:09,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:09,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921646727] [2022-10-16 03:58:09,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:09,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:09,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:09,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921646727] [2022-10-16 03:58:09,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921646727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:09,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:09,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:09,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230132234] [2022-10-16 03:58:09,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:09,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:09,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:09,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:09,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:09,303 INFO L87 Difference]: Start difference. First operand 654 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:10,986 INFO L93 Difference]: Finished difference Result 1096 states and 1406 transitions. [2022-10-16 03:58:10,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:10,986 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 03:58:10,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:10,988 INFO L225 Difference]: With dead ends: 1096 [2022-10-16 03:58:10,988 INFO L226 Difference]: Without dead ends: 1096 [2022-10-16 03:58:10,989 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 03:58:10,989 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 3757 mSDsluCounter, 2344 mSDsCounter, 0 mSdLazyCounter, 2170 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3757 SdHoareTripleChecker+Valid, 2908 SdHoareTripleChecker+Invalid, 2356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 2170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:10,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3757 Valid, 2908 Invalid, 2356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 2170 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2022-10-16 03:58:10,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 654. [2022-10-16 03:58:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3117088607594938) internal successors, (829), 653 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 829 transitions. [2022-10-16 03:58:10,998 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 829 transitions. Word has length 98 [2022-10-16 03:58:10,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:10,998 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 829 transitions. [2022-10-16 03:58:10,998 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 03:58:10,998 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 829 transitions. [2022-10-16 03:58:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:11,000 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:11,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:11,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 03:58:11,000 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:11,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:11,001 INFO L85 PathProgramCache]: Analyzing trace with hash 316179611, now seen corresponding path program 1 times [2022-10-16 03:58:11,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:11,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919293145] [2022-10-16 03:58:11,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:11,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:11,440 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 03:58:11,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:11,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919293145] [2022-10-16 03:58:11,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919293145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:11,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:11,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:58:11,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209228868] [2022-10-16 03:58:11,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:11,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:58:11,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:11,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:58:11,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:58:11,443 INFO L87 Difference]: Start difference. First operand 654 states and 829 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:14,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:14,571 INFO L93 Difference]: Finished difference Result 1589 states and 2126 transitions. [2022-10-16 03:58:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:58:14,572 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:14,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:14,574 INFO L225 Difference]: With dead ends: 1589 [2022-10-16 03:58:14,574 INFO L226 Difference]: Without dead ends: 1589 [2022-10-16 03:58:14,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:58:14,575 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 5725 mSDsluCounter, 3328 mSDsCounter, 0 mSdLazyCounter, 3128 mSolverCounterSat, 599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5725 SdHoareTripleChecker+Valid, 4095 SdHoareTripleChecker+Invalid, 3727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 599 IncrementalHoareTripleChecker+Valid, 3128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:14,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5725 Valid, 4095 Invalid, 3727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [599 Valid, 3128 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:58:14,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-10-16 03:58:14,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 658. [2022-10-16 03:58:14,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 636 states have (on average 1.309748427672956) internal successors, (833), 657 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 833 transitions. [2022-10-16 03:58:14,586 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 833 transitions. Word has length 98 [2022-10-16 03:58:14,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:14,586 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 833 transitions. [2022-10-16 03:58:14,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:14,586 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 833 transitions. [2022-10-16 03:58:14,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:14,588 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:14,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:14,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 03:58:14,588 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:14,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:14,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1085915592, now seen corresponding path program 1 times [2022-10-16 03:58:14,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:14,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909370170] [2022-10-16 03:58:14,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:14,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:14,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:14,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909370170] [2022-10-16 03:58:14,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909370170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:14,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:14,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:14,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431542539] [2022-10-16 03:58:14,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:14,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:14,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:14,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:14,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:14,980 INFO L87 Difference]: Start difference. First operand 658 states and 833 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 03:58:16,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:16,640 INFO L93 Difference]: Finished difference Result 1100 states and 1409 transitions. [2022-10-16 03:58:16,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:16,641 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 03:58:16,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:16,643 INFO L225 Difference]: With dead ends: 1100 [2022-10-16 03:58:16,643 INFO L226 Difference]: Without dead ends: 1100 [2022-10-16 03:58:16,644 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 03:58:16,644 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 3750 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 2170 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 2908 SdHoareTripleChecker+Invalid, 2356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 2170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:16,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3750 Valid, 2908 Invalid, 2356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 2170 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:16,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2022-10-16 03:58:16,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 658. [2022-10-16 03:58:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 636 states have (on average 1.3081761006289307) internal successors, (832), 657 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 832 transitions. [2022-10-16 03:58:16,657 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 832 transitions. Word has length 98 [2022-10-16 03:58:16,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:16,658 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 832 transitions. [2022-10-16 03:58:16,658 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 03:58:16,658 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 832 transitions. [2022-10-16 03:58:16,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:16,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:16,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:16,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 03:58:16,660 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:16,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:16,661 INFO L85 PathProgramCache]: Analyzing trace with hash 588758619, now seen corresponding path program 1 times [2022-10-16 03:58:16,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:16,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486793944] [2022-10-16 03:58:16,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:16,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:17,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:17,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486793944] [2022-10-16 03:58:17,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486793944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:17,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:17,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:17,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065663065] [2022-10-16 03:58:17,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:17,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:17,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:17,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:17,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:17,163 INFO L87 Difference]: Start difference. First operand 658 states and 832 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 03:58:19,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:19,055 INFO L93 Difference]: Finished difference Result 1116 states and 1445 transitions. [2022-10-16 03:58:19,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:19,056 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 03:58:19,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:19,058 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:58:19,058 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:58:19,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:19,059 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 3573 mSDsluCounter, 2896 mSDsCounter, 0 mSdLazyCounter, 2627 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 3611 SdHoareTripleChecker+Invalid, 2721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:19,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3573 Valid, 3611 Invalid, 2721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 2627 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 03:58:19,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:58:19,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 658. [2022-10-16 03:58:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 636 states have (on average 1.3066037735849056) internal successors, (831), 657 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 831 transitions. [2022-10-16 03:58:19,071 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 831 transitions. Word has length 98 [2022-10-16 03:58:19,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:19,072 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 831 transitions. [2022-10-16 03:58:19,072 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 03:58:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 831 transitions. [2022-10-16 03:58:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:19,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:19,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:19,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 03:58:19,074 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:19,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:19,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1615258738, now seen corresponding path program 1 times [2022-10-16 03:58:19,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:19,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969213404] [2022-10-16 03:58:19,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:19,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:19,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:19,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969213404] [2022-10-16 03:58:19,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969213404] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:19,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:19,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:58:19,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489139635] [2022-10-16 03:58:19,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:19,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:58:19,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:19,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:58:19,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:58:19,542 INFO L87 Difference]: Start difference. First operand 658 states and 831 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:22,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:22,355 INFO L93 Difference]: Finished difference Result 1584 states and 2118 transitions. [2022-10-16 03:58:22,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:58:22,356 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:22,358 INFO L225 Difference]: With dead ends: 1584 [2022-10-16 03:58:22,358 INFO L226 Difference]: Without dead ends: 1584 [2022-10-16 03:58:22,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:58:22,359 INFO L413 NwaCegarLoop]: 750 mSDtfsCounter, 6527 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 2407 mSolverCounterSat, 629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6527 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 3036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 629 IncrementalHoareTripleChecker+Valid, 2407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:22,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6527 Valid, 3209 Invalid, 3036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [629 Valid, 2407 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 03:58:22,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2022-10-16 03:58:22,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 662. [2022-10-16 03:58:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.3046875) internal successors, (835), 661 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 835 transitions. [2022-10-16 03:58:22,374 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 835 transitions. Word has length 98 [2022-10-16 03:58:22,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:22,374 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 835 transitions. [2022-10-16 03:58:22,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 835 transitions. [2022-10-16 03:58:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:22,376 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:22,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:22,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 03:58:22,377 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:22,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:22,377 INFO L85 PathProgramCache]: Analyzing trace with hash 472842913, now seen corresponding path program 1 times [2022-10-16 03:58:22,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:22,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162683154] [2022-10-16 03:58:22,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:22,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:22,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:22,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162683154] [2022-10-16 03:58:22,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162683154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:22,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:22,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:22,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070470492] [2022-10-16 03:58:22,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:22,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:22,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:22,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:22,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:22,694 INFO L87 Difference]: Start difference. First operand 662 states and 835 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:24,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:24,371 INFO L93 Difference]: Finished difference Result 1104 states and 1411 transitions. [2022-10-16 03:58:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:24,371 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 03:58:24,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:24,373 INFO L225 Difference]: With dead ends: 1104 [2022-10-16 03:58:24,373 INFO L226 Difference]: Without dead ends: 1104 [2022-10-16 03:58:24,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:24,373 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 3727 mSDsluCounter, 2372 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3727 SdHoareTripleChecker+Valid, 2944 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 2182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:24,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3727 Valid, 2944 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 2182 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:24,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-16 03:58:24,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 662. [2022-10-16 03:58:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.303125) internal successors, (834), 661 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 834 transitions. [2022-10-16 03:58:24,381 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 834 transitions. Word has length 98 [2022-10-16 03:58:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:24,381 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 834 transitions. [2022-10-16 03:58:24,381 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 03:58:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 834 transitions. [2022-10-16 03:58:24,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:24,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:24,382 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] [2022-10-16 03:58:24,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 03:58:24,383 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:24,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:24,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1403498445, now seen corresponding path program 1 times [2022-10-16 03:58:24,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:24,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146723931] [2022-10-16 03:58:24,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:24,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:24,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:24,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:24,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146723931] [2022-10-16 03:58:24,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146723931] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:24,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:24,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:24,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915449539] [2022-10-16 03:58:24,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:24,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:24,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:24,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:24,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:24,676 INFO L87 Difference]: Start difference. First operand 662 states and 834 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 03:58:26,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:26,397 INFO L93 Difference]: Finished difference Result 1116 states and 1441 transitions. [2022-10-16 03:58:26,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:26,398 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 03:58:26,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:26,401 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:58:26,402 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:58:26,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:26,402 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 3673 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 2411 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3673 SdHoareTripleChecker+Valid, 3360 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 2411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:26,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3673 Valid, 3360 Invalid, 2507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 2411 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:58:26,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:58:26,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 662. [2022-10-16 03:58:26,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.3015625) internal successors, (833), 661 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 833 transitions. [2022-10-16 03:58:26,411 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 833 transitions. Word has length 98 [2022-10-16 03:58:26,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:26,411 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 833 transitions. [2022-10-16 03:58:26,412 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 03:58:26,412 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 833 transitions. [2022-10-16 03:58:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:26,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:26,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:26,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 03:58:26,414 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:26,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:26,414 INFO L85 PathProgramCache]: Analyzing trace with hash 105073130, now seen corresponding path program 1 times [2022-10-16 03:58:26,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:26,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132423090] [2022-10-16 03:58:26,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:26,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:26,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:26,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:26,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132423090] [2022-10-16 03:58:26,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132423090] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:26,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:26,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:26,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384695424] [2022-10-16 03:58:26,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:26,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:26,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:26,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:26,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:26,722 INFO L87 Difference]: Start difference. First operand 662 states and 833 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 03:58:28,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:28,581 INFO L93 Difference]: Finished difference Result 1116 states and 1440 transitions. [2022-10-16 03:58:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:28,582 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 03:58:28,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:28,584 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:58:28,584 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:58:28,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:28,585 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 3993 mSDsluCounter, 2653 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3993 SdHoareTripleChecker+Valid, 3241 SdHoareTripleChecker+Invalid, 2401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:28,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3993 Valid, 3241 Invalid, 2401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 03:58:28,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:58:28,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 662. [2022-10-16 03:58:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.3) internal successors, (832), 661 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 832 transitions. [2022-10-16 03:58:28,596 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 832 transitions. Word has length 98 [2022-10-16 03:58:28,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:28,596 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 832 transitions. [2022-10-16 03:58:28,596 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 03:58:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 832 transitions. [2022-10-16 03:58:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:28,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:28,598 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] [2022-10-16 03:58:28,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 03:58:28,598 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:28,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:28,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1773163569, now seen corresponding path program 1 times [2022-10-16 03:58:28,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:28,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119514637] [2022-10-16 03:58:28,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:28,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:28,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:28,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:28,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119514637] [2022-10-16 03:58:28,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119514637] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:28,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:28,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:28,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740791125] [2022-10-16 03:58:28,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:28,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:28,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:28,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:28,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:28,879 INFO L87 Difference]: Start difference. First operand 662 states and 832 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 03:58:30,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:30,261 INFO L93 Difference]: Finished difference Result 1104 states and 1408 transitions. [2022-10-16 03:58:30,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:30,262 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 03:58:30,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:30,263 INFO L225 Difference]: With dead ends: 1104 [2022-10-16 03:58:30,264 INFO L226 Difference]: Without dead ends: 1104 [2022-10-16 03:58:30,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:30,264 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 3543 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 1821 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3543 SdHoareTripleChecker+Valid, 2412 SdHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:30,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3543 Valid, 2412 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1821 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:58:30,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-16 03:58:30,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 662. [2022-10-16 03:58:30,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.2984375) internal successors, (831), 661 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 831 transitions. [2022-10-16 03:58:30,276 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 831 transitions. Word has length 98 [2022-10-16 03:58:30,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:30,276 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 831 transitions. [2022-10-16 03:58:30,277 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 03:58:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 831 transitions. [2022-10-16 03:58:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:30,278 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:30,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:30,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 03:58:30,279 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:30,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:30,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1981414488, now seen corresponding path program 1 times [2022-10-16 03:58:30,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:30,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782149660] [2022-10-16 03:58:30,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:30,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:30,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:30,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782149660] [2022-10-16 03:58:30,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782149660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:30,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:30,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:30,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463198293] [2022-10-16 03:58:30,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:30,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:30,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:30,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:30,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:30,628 INFO L87 Difference]: Start difference. First operand 662 states and 831 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 03:58:32,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:32,285 INFO L93 Difference]: Finished difference Result 1104 states and 1407 transitions. [2022-10-16 03:58:32,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:32,286 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 03:58:32,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:32,289 INFO L225 Difference]: With dead ends: 1104 [2022-10-16 03:58:32,289 INFO L226 Difference]: Without dead ends: 1104 [2022-10-16 03:58:32,289 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 03:58:32,290 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 3689 mSDsluCounter, 2408 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3689 SdHoareTripleChecker+Valid, 2992 SdHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:32,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3689 Valid, 2992 Invalid, 2381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:58:32,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-16 03:58:32,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 662. [2022-10-16 03:58:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.296875) internal successors, (830), 661 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:32,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 830 transitions. [2022-10-16 03:58:32,301 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 830 transitions. Word has length 98 [2022-10-16 03:58:32,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:32,302 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 830 transitions. [2022-10-16 03:58:32,302 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 03:58:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 830 transitions. [2022-10-16 03:58:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:32,303 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:32,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:32,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 03:58:32,304 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:32,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:32,304 INFO L85 PathProgramCache]: Analyzing trace with hash 716510655, now seen corresponding path program 1 times [2022-10-16 03:58:32,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:32,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526621573] [2022-10-16 03:58:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:32,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:32,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:32,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526621573] [2022-10-16 03:58:32,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526621573] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:32,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:32,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:32,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276208761] [2022-10-16 03:58:32,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:32,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:32,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:32,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:32,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:32,560 INFO L87 Difference]: Start difference. First operand 662 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:33,937 INFO L93 Difference]: Finished difference Result 1104 states and 1405 transitions. [2022-10-16 03:58:33,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:33,938 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 03:58:33,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:33,939 INFO L225 Difference]: With dead ends: 1104 [2022-10-16 03:58:33,939 INFO L226 Difference]: Without dead ends: 1104 [2022-10-16 03:58:33,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:33,940 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 2105 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2105 SdHoareTripleChecker+Valid, 2580 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:33,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2105 Valid, 2580 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:58:33,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-16 03:58:33,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 662. [2022-10-16 03:58:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.2953125) internal successors, (829), 661 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 829 transitions. [2022-10-16 03:58:33,950 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 829 transitions. Word has length 98 [2022-10-16 03:58:33,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:33,950 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 829 transitions. [2022-10-16 03:58:33,950 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 03:58:33,950 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 829 transitions. [2022-10-16 03:58:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:33,951 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:33,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:33,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 03:58:33,952 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:33,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:33,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1342903942, now seen corresponding path program 1 times [2022-10-16 03:58:33,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:33,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277762549] [2022-10-16 03:58:33,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:34,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:34,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277762549] [2022-10-16 03:58:34,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277762549] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:34,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:34,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:34,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256394489] [2022-10-16 03:58:34,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:34,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:34,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:34,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:34,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:34,206 INFO L87 Difference]: Start difference. First operand 662 states and 829 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 03:58:35,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:35,497 INFO L93 Difference]: Finished difference Result 1104 states and 1404 transitions. [2022-10-16 03:58:35,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:35,498 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 03:58:35,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:35,500 INFO L225 Difference]: With dead ends: 1104 [2022-10-16 03:58:35,500 INFO L226 Difference]: Without dead ends: 1104 [2022-10-16 03:58:35,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:35,503 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 2195 mSDsluCounter, 1865 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:35,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2195 Valid, 2460 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1804 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:58:35,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-16 03:58:35,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 662. [2022-10-16 03:58:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.29375) internal successors, (828), 661 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 828 transitions. [2022-10-16 03:58:35,514 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 828 transitions. Word has length 98 [2022-10-16 03:58:35,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:35,516 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 828 transitions. [2022-10-16 03:58:35,516 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 03:58:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 828 transitions. [2022-10-16 03:58:35,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:35,517 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:35,518 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] [2022-10-16 03:58:35,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 03:58:35,518 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:35,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:35,518 INFO L85 PathProgramCache]: Analyzing trace with hash -23165618, now seen corresponding path program 1 times [2022-10-16 03:58:35,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:35,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433451233] [2022-10-16 03:58:35,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:35,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:36,028 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 03:58:36,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:36,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433451233] [2022-10-16 03:58:36,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433451233] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:36,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:36,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:58:36,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431454109] [2022-10-16 03:58:36,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:36,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:58:36,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:36,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:58:36,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:58:36,031 INFO L87 Difference]: Start difference. First operand 662 states and 828 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:38,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:38,949 INFO L93 Difference]: Finished difference Result 1580 states and 2102 transitions. [2022-10-16 03:58:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:58:38,950 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:38,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:38,951 INFO L225 Difference]: With dead ends: 1580 [2022-10-16 03:58:38,951 INFO L226 Difference]: Without dead ends: 1580 [2022-10-16 03:58:38,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:58:38,952 INFO L413 NwaCegarLoop]: 737 mSDtfsCounter, 6982 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 2451 mSolverCounterSat, 715 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6982 SdHoareTripleChecker+Valid, 3289 SdHoareTripleChecker+Invalid, 3166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 715 IncrementalHoareTripleChecker+Valid, 2451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:38,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6982 Valid, 3289 Invalid, 3166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [715 Valid, 2451 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 03:58:38,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2022-10-16 03:58:38,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 666. [2022-10-16 03:58:38,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.2919254658385093) internal successors, (832), 665 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 832 transitions. [2022-10-16 03:58:38,966 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 832 transitions. Word has length 98 [2022-10-16 03:58:38,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:38,966 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 832 transitions. [2022-10-16 03:58:38,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 03:58:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 832 transitions. [2022-10-16 03:58:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:58:38,968 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:38,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:38,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-10-16 03:58:38,969 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:38,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:38,969 INFO L85 PathProgramCache]: Analyzing trace with hash 311553357, now seen corresponding path program 1 times [2022-10-16 03:58:38,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:38,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504536310] [2022-10-16 03:58:38,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:38,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:39,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:39,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:39,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504536310] [2022-10-16 03:58:39,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504536310] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:39,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:39,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:39,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312147399] [2022-10-16 03:58:39,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:39,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:39,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:39,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:39,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:39,261 INFO L87 Difference]: Start difference. First operand 666 states and 832 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 03:58:40,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:40,680 INFO L93 Difference]: Finished difference Result 1108 states and 1406 transitions. [2022-10-16 03:58:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:40,681 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 03:58:40,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:40,682 INFO L225 Difference]: With dead ends: 1108 [2022-10-16 03:58:40,682 INFO L226 Difference]: Without dead ends: 1108 [2022-10-16 03:58:40,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:40,683 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 2099 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 2577 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:40,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 2577 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1954 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:58:40,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-10-16 03:58:40,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 666. [2022-10-16 03:58:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.2903726708074534) internal successors, (831), 665 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 831 transitions. [2022-10-16 03:58:40,691 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 831 transitions. Word has length 98 [2022-10-16 03:58:40,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:40,691 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 831 transitions. [2022-10-16 03:58:40,691 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 03:58:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 831 transitions. [2022-10-16 03:58:40,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:58:40,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:40,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:40,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 03:58:40,693 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:40,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:40,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1243175494, now seen corresponding path program 1 times [2022-10-16 03:58:40,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:40,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111813851] [2022-10-16 03:58:40,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:40,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:40,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:40,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111813851] [2022-10-16 03:58:40,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111813851] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:40,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:40,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:40,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165395127] [2022-10-16 03:58:40,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:40,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:40,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:40,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:40,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:40,976 INFO L87 Difference]: Start difference. First operand 666 states and 831 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 03:58:42,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:42,416 INFO L93 Difference]: Finished difference Result 1116 states and 1430 transitions. [2022-10-16 03:58:42,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:42,416 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 03:58:42,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:42,418 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:58:42,418 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:58:42,418 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 03:58:42,419 INFO L413 NwaCegarLoop]: 719 mSDtfsCounter, 3152 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:42,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 2856 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 2038 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:58:42,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:58:42,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 662. [2022-10-16 03:58:42,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.290625) internal successors, (826), 661 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 826 transitions. [2022-10-16 03:58:42,430 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 826 transitions. Word has length 99 [2022-10-16 03:58:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:42,431 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 826 transitions. [2022-10-16 03:58:42,431 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 03:58:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 826 transitions. [2022-10-16 03:58:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:58:42,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:42,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:42,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-10-16 03:58:42,433 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:42,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:42,433 INFO L85 PathProgramCache]: Analyzing trace with hash -779826693, now seen corresponding path program 1 times [2022-10-16 03:58:42,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:42,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745201811] [2022-10-16 03:58:42,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:42,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:42,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:42,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745201811] [2022-10-16 03:58:42,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745201811] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:42,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:42,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:42,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867705029] [2022-10-16 03:58:42,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:42,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:42,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:42,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:42,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:42,654 INFO L87 Difference]: Start difference. First operand 662 states and 826 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 03:58:44,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:44,145 INFO L93 Difference]: Finished difference Result 1116 states and 1429 transitions. [2022-10-16 03:58:44,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:44,145 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 03:58:44,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:44,146 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:58:44,147 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:58:44,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:44,147 INFO L413 NwaCegarLoop]: 727 mSDtfsCounter, 2943 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 2102 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2943 SdHoareTripleChecker+Valid, 2945 SdHoareTripleChecker+Invalid, 2188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:44,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2943 Valid, 2945 Invalid, 2188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2102 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:44,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:58:44,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 658. [2022-10-16 03:58:44,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 636 states have (on average 1.2908805031446542) internal successors, (821), 657 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 821 transitions. [2022-10-16 03:58:44,156 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 821 transitions. Word has length 99 [2022-10-16 03:58:44,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:44,156 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 821 transitions. [2022-10-16 03:58:44,156 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 03:58:44,156 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 821 transitions. [2022-10-16 03:58:44,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:58:44,157 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:44,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:44,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-10-16 03:58:44,158 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 03:58:44,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:44,158 INFO L85 PathProgramCache]: Analyzing trace with hash 358996279, now seen corresponding path program 1 times [2022-10-16 03:58:44,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:44,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128259735] [2022-10-16 03:58:44,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:44,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:44,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:44,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128259735] [2022-10-16 03:58:44,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128259735] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:44,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:44,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333671578] [2022-10-16 03:58:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:44,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:44,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:44,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:44,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:44,385 INFO L87 Difference]: Start difference. First operand 658 states and 821 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 03:58:45,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:45,839 INFO L93 Difference]: Finished difference Result 1116 states and 1428 transitions. [2022-10-16 03:58:45,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:45,839 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 03:58:45,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:45,841 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:58:45,841 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:58:45,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:45,844 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 1976 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 2991 SdHoareTripleChecker+Invalid, 2178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:45,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 2991 Invalid, 2178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:58:45,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:58:45,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 654. [2022-10-16 03:58:45,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.2911392405063291) internal successors, (816), 653 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:45,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 816 transitions. [2022-10-16 03:58:45,854 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 816 transitions. Word has length 99 [2022-10-16 03:58:45,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:45,854 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 816 transitions. [2022-10-16 03:58:45,854 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 03:58:45,855 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 816 transitions. [2022-10-16 03:58:45,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:58:45,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:45,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:45,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-10-16 03:58:45,856 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:45,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:45,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1036997114, now seen corresponding path program 1 times [2022-10-16 03:58:45,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:45,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142424100] [2022-10-16 03:58:45,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:45,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:46,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:46,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142424100] [2022-10-16 03:58:46,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142424100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:46,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:46,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:46,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117443430] [2022-10-16 03:58:46,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:46,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:46,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:46,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:46,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:46,081 INFO L87 Difference]: Start difference. First operand 654 states and 816 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 03:58:47,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:47,554 INFO L93 Difference]: Finished difference Result 1116 states and 1427 transitions. [2022-10-16 03:58:47,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:47,554 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 03:58:47,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:47,556 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:58:47,556 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:58:47,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:47,557 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 2848 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2848 SdHoareTripleChecker+Valid, 3039 SdHoareTripleChecker+Invalid, 2226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:47,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2848 Valid, 3039 Invalid, 2226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:47,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:58:47,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 650. [2022-10-16 03:58:47,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.2914012738853504) internal successors, (811), 649 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:47,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 811 transitions. [2022-10-16 03:58:47,565 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 811 transitions. Word has length 99 [2022-10-16 03:58:47,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:47,565 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 811 transitions. [2022-10-16 03:58:47,565 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 03:58:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 811 transitions. [2022-10-16 03:58:47,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:58:47,566 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:47,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:47,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-10-16 03:58:47,567 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:47,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:47,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1643745826, now seen corresponding path program 1 times [2022-10-16 03:58:47,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:47,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178142284] [2022-10-16 03:58:47,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:47,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:47,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:47,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:47,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178142284] [2022-10-16 03:58:47,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178142284] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:47,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:47,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:47,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80565576] [2022-10-16 03:58:47,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:47,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:47,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:47,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:47,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:47,864 INFO L87 Difference]: Start difference. First operand 650 states and 811 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 03:58:49,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:49,360 INFO L93 Difference]: Finished difference Result 1116 states and 1426 transitions. [2022-10-16 03:58:49,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:49,361 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 03:58:49,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:49,362 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:58:49,363 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:58:49,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:49,364 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 2811 mSDsluCounter, 2328 mSDsCounter, 0 mSdLazyCounter, 2159 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 3089 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:49,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 3089 Invalid, 2245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2159 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:49,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:58:49,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 646. [2022-10-16 03:58:49,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.2916666666666667) internal successors, (806), 645 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 806 transitions. [2022-10-16 03:58:49,373 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 806 transitions. Word has length 99 [2022-10-16 03:58:49,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:49,373 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 806 transitions. [2022-10-16 03:58:49,373 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 03:58:49,373 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 806 transitions. [2022-10-16 03:58:49,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:58:49,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:49,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:49,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-10-16 03:58:49,374 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:49,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:49,375 INFO L85 PathProgramCache]: Analyzing trace with hash -739792634, now seen corresponding path program 1 times [2022-10-16 03:58:49,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:49,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674619720] [2022-10-16 03:58:49,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:49,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:49,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:49,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674619720] [2022-10-16 03:58:49,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674619720] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:49,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:49,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:49,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709205251] [2022-10-16 03:58:49,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:49,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:49,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:49,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:49,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:49,594 INFO L87 Difference]: Start difference. First operand 646 states and 806 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 03:58:51,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:51,086 INFO L93 Difference]: Finished difference Result 1116 states and 1425 transitions. [2022-10-16 03:58:51,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:51,086 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 03:58:51,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:51,088 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:58:51,089 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:58:51,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:51,090 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 3213 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 2178 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3213 SdHoareTripleChecker+Valid, 3117 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:51,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3213 Valid, 3117 Invalid, 2282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2178 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:51,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:58:51,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 642. [2022-10-16 03:58:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.2919354838709678) internal successors, (801), 641 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 801 transitions. [2022-10-16 03:58:51,100 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 801 transitions. Word has length 99 [2022-10-16 03:58:51,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:51,100 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 801 transitions. [2022-10-16 03:58:51,100 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 03:58:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 801 transitions. [2022-10-16 03:58:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:58:51,101 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:51,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:51,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-10-16 03:58:51,102 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:51,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:51,102 INFO L85 PathProgramCache]: Analyzing trace with hash -23064076, now seen corresponding path program 1 times [2022-10-16 03:58:51,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:51,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265703804] [2022-10-16 03:58:51,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:51,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:51,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:51,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265703804] [2022-10-16 03:58:51,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265703804] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:51,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:51,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:58:51,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060637945] [2022-10-16 03:58:51,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:51,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:58:51,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:51,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:58:51,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:58:51,343 INFO L87 Difference]: Start difference. First operand 642 states and 801 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 03:58:52,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:52,811 INFO L93 Difference]: Finished difference Result 1084 states and 1375 transitions. [2022-10-16 03:58:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:58:52,812 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 03:58:52,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:52,814 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 03:58:52,814 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 03:58:52,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:52,814 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 3531 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 2088 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3531 SdHoareTripleChecker+Valid, 2839 SdHoareTripleChecker+Invalid, 2297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 2088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:52,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3531 Valid, 2839 Invalid, 2297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 2088 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:58:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 03:58:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 642. [2022-10-16 03:58:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.2903225806451613) internal successors, (800), 641 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 800 transitions. [2022-10-16 03:58:52,822 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 800 transitions. Word has length 99 [2022-10-16 03:58:52,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:52,822 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 800 transitions. [2022-10-16 03:58:52,823 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 03:58:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 800 transitions. [2022-10-16 03:58:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:58:52,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:52,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:52,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-10-16 03:58:52,824 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:52,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:52,824 INFO L85 PathProgramCache]: Analyzing trace with hash -362080419, now seen corresponding path program 1 times [2022-10-16 03:58:52,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:52,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368362340] [2022-10-16 03:58:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:53,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:53,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368362340] [2022-10-16 03:58:53,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368362340] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:53,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:53,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:58:53,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069564976] [2022-10-16 03:58:53,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:53,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:58:53,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:53,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:58:53,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:58:53,646 INFO L87 Difference]: Start difference. First operand 642 states and 800 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:58:54,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:54,816 INFO L93 Difference]: Finished difference Result 1320 states and 1715 transitions. [2022-10-16 03:58:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:58:54,817 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:58:54,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:54,819 INFO L225 Difference]: With dead ends: 1320 [2022-10-16 03:58:54,819 INFO L226 Difference]: Without dead ends: 1320 [2022-10-16 03:58:54,819 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 03:58:54,820 INFO L413 NwaCegarLoop]: 1518 mSDtfsCounter, 4293 mSDsluCounter, 6466 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4293 SdHoareTripleChecker+Valid, 7984 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:54,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4293 Valid, 7984 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:58:54,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-10-16 03:58:54,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 579. [2022-10-16 03:58:54,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 561 states have (on average 1.28698752228164) internal successors, (722), 578 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:54,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 722 transitions. [2022-10-16 03:58:54,830 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 722 transitions. Word has length 100 [2022-10-16 03:58:54,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:54,830 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 722 transitions. [2022-10-16 03:58:54,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:58:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 722 transitions. [2022-10-16 03:58:54,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:58:54,832 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:54,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:54,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-10-16 03:58:54,832 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:54,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:54,833 INFO L85 PathProgramCache]: Analyzing trace with hash 171611640, now seen corresponding path program 1 times [2022-10-16 03:58:54,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:54,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913431462] [2022-10-16 03:58:54,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:54,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:55,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:55,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913431462] [2022-10-16 03:58:55,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913431462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:55,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:55,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:58:55,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065955788] [2022-10-16 03:58:55,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:55,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:58:55,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:55,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:58:55,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:58:55,596 INFO L87 Difference]: Start difference. First operand 579 states and 722 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:58:57,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:58:57,605 INFO L93 Difference]: Finished difference Result 840 states and 1040 transitions. [2022-10-16 03:58:57,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:58:57,605 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:58:57,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:58:57,606 INFO L225 Difference]: With dead ends: 840 [2022-10-16 03:58:57,607 INFO L226 Difference]: Without dead ends: 840 [2022-10-16 03:58:57,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:58:57,607 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 3080 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 2033 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3080 SdHoareTripleChecker+Valid, 3974 SdHoareTripleChecker+Invalid, 2200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 2033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:58:57,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3080 Valid, 3974 Invalid, 2200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 2033 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:58:57,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2022-10-16 03:58:57,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 575. [2022-10-16 03:58:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 558 states have (on average 1.2849462365591398) internal successors, (717), 574 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:58:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 717 transitions. [2022-10-16 03:58:57,613 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 717 transitions. Word has length 100 [2022-10-16 03:58:57,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:58:57,613 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 717 transitions. [2022-10-16 03:58:57,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:58:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 717 transitions. [2022-10-16 03:58:57,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:58:57,614 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:58:57,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:58:57,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-10-16 03:58:57,615 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:58:57,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:58:57,615 INFO L85 PathProgramCache]: Analyzing trace with hash -127286155, now seen corresponding path program 1 times [2022-10-16 03:58:57,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:58:57,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010206381] [2022-10-16 03:58:57,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:58:57,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:58:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:58:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:58:58,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:58:58,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010206381] [2022-10-16 03:58:58,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010206381] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:58:58,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:58:58,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:58:58,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103695053] [2022-10-16 03:58:58,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:58:58,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:58:58,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:58:58,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:58:58,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:58:58,420 INFO L87 Difference]: Start difference. First operand 575 states and 717 transitions. Second operand has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 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 03:59:00,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:00,751 INFO L93 Difference]: Finished difference Result 1780 states and 2334 transitions. [2022-10-16 03:59:00,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:59:00,751 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 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 03:59:00,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:00,754 INFO L225 Difference]: With dead ends: 1780 [2022-10-16 03:59:00,754 INFO L226 Difference]: Without dead ends: 1780 [2022-10-16 03:59:00,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:59:00,757 INFO L413 NwaCegarLoop]: 1735 mSDtfsCounter, 3257 mSDsluCounter, 11905 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3257 SdHoareTripleChecker+Valid, 13640 SdHoareTripleChecker+Invalid, 1578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:00,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3257 Valid, 13640 Invalid, 1578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:59:00,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2022-10-16 03:59:00,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 542. [2022-10-16 03:59:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 528 states have (on average 1.2821969696969697) internal successors, (677), 541 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 677 transitions. [2022-10-16 03:59:00,771 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 677 transitions. Word has length 100 [2022-10-16 03:59:00,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:00,772 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 677 transitions. [2022-10-16 03:59:00,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 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 03:59:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 677 transitions. [2022-10-16 03:59:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:59:00,773 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:00,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:00,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-10-16 03:59:00,775 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:00,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:00,775 INFO L85 PathProgramCache]: Analyzing trace with hash -798771389, now seen corresponding path program 1 times [2022-10-16 03:59:00,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:00,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11276918] [2022-10-16 03:59:00,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:00,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:01,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:01,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11276918] [2022-10-16 03:59:01,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11276918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:01,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:01,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:59:01,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412531243] [2022-10-16 03:59:01,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:01,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:01,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:01,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:01,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:01,504 INFO L87 Difference]: Start difference. First operand 542 states and 677 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:59:02,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:02,519 INFO L93 Difference]: Finished difference Result 952 states and 1260 transitions. [2022-10-16 03:59:02,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:59:02,520 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:59:02,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:02,521 INFO L225 Difference]: With dead ends: 952 [2022-10-16 03:59:02,521 INFO L226 Difference]: Without dead ends: 952 [2022-10-16 03:59:02,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:59:02,522 INFO L413 NwaCegarLoop]: 1069 mSDtfsCounter, 3342 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3342 SdHoareTripleChecker+Valid, 4485 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:02,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3342 Valid, 4485 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:59:02,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2022-10-16 03:59:02,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 424. [2022-10-16 03:59:02,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 415 states have (on average 1.2819277108433735) internal successors, (532), 423 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 532 transitions. [2022-10-16 03:59:02,530 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 532 transitions. Word has length 100 [2022-10-16 03:59:02,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:02,530 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 532 transitions. [2022-10-16 03:59:02,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:59:02,531 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 532 transitions. [2022-10-16 03:59:02,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:59:02,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:02,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:02,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-10-16 03:59:02,532 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:02,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:02,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1967013514, now seen corresponding path program 1 times [2022-10-16 03:59:02,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:02,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881497048] [2022-10-16 03:59:02,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:02,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:03,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:03,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881497048] [2022-10-16 03:59:03,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881497048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:03,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:03,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:59:03,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327537331] [2022-10-16 03:59:03,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:03,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:03,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:03,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:03,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:03,204 INFO L87 Difference]: Start difference. First operand 424 states and 532 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:59:04,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:04,542 INFO L93 Difference]: Finished difference Result 618 states and 774 transitions. [2022-10-16 03:59:04,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:59:04,543 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:59:04,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:04,544 INFO L225 Difference]: With dead ends: 618 [2022-10-16 03:59:04,544 INFO L226 Difference]: Without dead ends: 618 [2022-10-16 03:59:04,545 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 03:59:04,545 INFO L413 NwaCegarLoop]: 451 mSDtfsCounter, 2762 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2762 SdHoareTripleChecker+Valid, 2290 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:04,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2762 Valid, 2290 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:59:04,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2022-10-16 03:59:04,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 420. [2022-10-16 03:59:04,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 412 states have (on average 1.279126213592233) internal successors, (527), 419 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 527 transitions. [2022-10-16 03:59:04,549 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 527 transitions. Word has length 100 [2022-10-16 03:59:04,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:04,550 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 527 transitions. [2022-10-16 03:59:04,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 03:59:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 527 transitions. [2022-10-16 03:59:04,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:59:04,551 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:04,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:04,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-10-16 03:59:04,552 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:04,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:04,552 INFO L85 PathProgramCache]: Analyzing trace with hash 186496366, now seen corresponding path program 1 times [2022-10-16 03:59:04,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:04,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447626643] [2022-10-16 03:59:04,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:04,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:05,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:05,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:05,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447626643] [2022-10-16 03:59:05,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447626643] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:05,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:05,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-10-16 03:59:05,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221987501] [2022-10-16 03:59:05,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:05,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 03:59:05,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:05,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 03:59:05,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:59:05,354 INFO L87 Difference]: Start difference. First operand 420 states and 527 transitions. Second operand has 15 states, 15 states have (on average 6.666666666666667) internal successors, (100), 15 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 03:59:06,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:06,961 INFO L93 Difference]: Finished difference Result 805 states and 1063 transitions. [2022-10-16 03:59:06,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:59:06,962 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.666666666666667) internal successors, (100), 15 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 03:59:06,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:06,963 INFO L225 Difference]: With dead ends: 805 [2022-10-16 03:59:06,963 INFO L226 Difference]: Without dead ends: 805 [2022-10-16 03:59:06,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:59:06,964 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 3541 mSDsluCounter, 3740 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 4392 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:06,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3541 Valid, 4392 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:59:06,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2022-10-16 03:59:06,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 323. [2022-10-16 03:59:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 316 states have (on average 1.2626582278481013) internal successors, (399), 322 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 399 transitions. [2022-10-16 03:59:06,969 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 399 transitions. Word has length 100 [2022-10-16 03:59:06,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:06,970 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 399 transitions. [2022-10-16 03:59:06,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.666666666666667) internal successors, (100), 15 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 03:59:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 399 transitions. [2022-10-16 03:59:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:59:06,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:06,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:06,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-10-16 03:59:06,971 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:06,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:06,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1740504427, now seen corresponding path program 1 times [2022-10-16 03:59:06,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:06,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739447847] [2022-10-16 03:59:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:06,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:07,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:07,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739447847] [2022-10-16 03:59:07,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739447847] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:07,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:07,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:07,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872913360] [2022-10-16 03:59:07,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:07,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:07,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:07,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:07,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:07,253 INFO L87 Difference]: Start difference. First operand 323 states and 399 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 03:59:07,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:07,847 INFO L93 Difference]: Finished difference Result 468 states and 587 transitions. [2022-10-16 03:59:07,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:59:07,848 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 03:59:07,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:07,849 INFO L225 Difference]: With dead ends: 468 [2022-10-16 03:59:07,849 INFO L226 Difference]: Without dead ends: 468 [2022-10-16 03:59:07,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2022-10-16 03:59:07,850 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1486 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:07,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 1078 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:59:07,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2022-10-16 03:59:07,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 323. [2022-10-16 03:59:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 316 states have (on average 1.259493670886076) internal successors, (398), 322 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 398 transitions. [2022-10-16 03:59:07,855 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 398 transitions. Word has length 101 [2022-10-16 03:59:07,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:07,855 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 398 transitions. [2022-10-16 03:59:07,855 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 03:59:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 398 transitions. [2022-10-16 03:59:07,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:59:07,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:07,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:07,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-10-16 03:59:07,856 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:07,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:07,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1904507925, now seen corresponding path program 1 times [2022-10-16 03:59:07,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:07,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664029745] [2022-10-16 03:59:07,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:07,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:08,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:08,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664029745] [2022-10-16 03:59:08,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664029745] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:08,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:08,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:08,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910909449] [2022-10-16 03:59:08,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:08,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:08,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:08,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:08,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:08,271 INFO L87 Difference]: Start difference. First operand 323 states and 398 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 03:59:10,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:10,482 INFO L93 Difference]: Finished difference Result 1120 states and 1521 transitions. [2022-10-16 03:59:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:59:10,482 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 03:59:10,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:10,484 INFO L225 Difference]: With dead ends: 1120 [2022-10-16 03:59:10,484 INFO L226 Difference]: Without dead ends: 1120 [2022-10-16 03:59:10,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:59:10,484 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 4367 mSDsluCounter, 2007 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4367 SdHoareTripleChecker+Valid, 2473 SdHoareTripleChecker+Invalid, 2115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:10,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4367 Valid, 2473 Invalid, 2115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 1832 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:59:10,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2022-10-16 03:59:10,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 327. [2022-10-16 03:59:10,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 320 states have (on average 1.25625) internal successors, (402), 326 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:10,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 402 transitions. [2022-10-16 03:59:10,489 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 402 transitions. Word has length 101 [2022-10-16 03:59:10,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:10,490 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 402 transitions. [2022-10-16 03:59:10,490 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 03:59:10,490 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 402 transitions. [2022-10-16 03:59:10,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:59:10,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:10,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:10,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-10-16 03:59:10,491 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:10,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:10,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1612960383, now seen corresponding path program 1 times [2022-10-16 03:59:10,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:10,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732721580] [2022-10-16 03:59:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:10,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:11,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:11,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:11,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732721580] [2022-10-16 03:59:11,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732721580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:11,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:11,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:59:11,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245875635] [2022-10-16 03:59:11,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:11,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:59:11,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:11,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:59:11,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:59:11,144 INFO L87 Difference]: Start difference. First operand 327 states and 402 transitions. Second operand has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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 03:59:12,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:12,222 INFO L93 Difference]: Finished difference Result 734 states and 937 transitions. [2022-10-16 03:59:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:59:12,223 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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 03:59:12,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:12,224 INFO L225 Difference]: With dead ends: 734 [2022-10-16 03:59:12,224 INFO L226 Difference]: Without dead ends: 734 [2022-10-16 03:59:12,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:59:12,224 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 2344 mSDsluCounter, 2796 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 3270 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:12,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 3270 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:59:12,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2022-10-16 03:59:12,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 316. [2022-10-16 03:59:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 310 states have (on average 1.2516129032258065) internal successors, (388), 315 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 388 transitions. [2022-10-16 03:59:12,239 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 388 transitions. Word has length 101 [2022-10-16 03:59:12,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:12,239 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 388 transitions. [2022-10-16 03:59:12,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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 03:59:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 388 transitions. [2022-10-16 03:59:12,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:59:12,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:12,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:12,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-10-16 03:59:12,240 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:12,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:12,241 INFO L85 PathProgramCache]: Analyzing trace with hash -2060658306, now seen corresponding path program 1 times [2022-10-16 03:59:12,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:12,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523218662] [2022-10-16 03:59:12,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:12,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:13,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:13,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523218662] [2022-10-16 03:59:13,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523218662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:13,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:13,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:59:13,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586217078] [2022-10-16 03:59:13,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:13,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:59:13,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:13,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:59:13,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:59:13,030 INFO L87 Difference]: Start difference. First operand 316 states and 388 transitions. Second operand has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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 03:59:14,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:14,450 INFO L93 Difference]: Finished difference Result 722 states and 919 transitions. [2022-10-16 03:59:14,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:59:14,451 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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 03:59:14,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:14,451 INFO L225 Difference]: With dead ends: 722 [2022-10-16 03:59:14,452 INFO L226 Difference]: Without dead ends: 722 [2022-10-16 03:59:14,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:59:14,452 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 1798 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 3872 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:14,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 3872 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:59:14,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2022-10-16 03:59:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 292. [2022-10-16 03:59:14,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 287 states have (on average 1.2439024390243902) internal successors, (357), 291 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:14,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2022-10-16 03:59:14,458 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 101 [2022-10-16 03:59:14,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:14,458 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2022-10-16 03:59:14,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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 03:59:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2022-10-16 03:59:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:59:14,459 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:14,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:14,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-10-16 03:59:14,459 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:14,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:14,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1370136807, now seen corresponding path program 1 times [2022-10-16 03:59:14,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:14,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097329407] [2022-10-16 03:59:14,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:14,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:15,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:15,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:15,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097329407] [2022-10-16 03:59:15,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097329407] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:15,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:15,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:59:15,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934383168] [2022-10-16 03:59:15,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:15,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:59:15,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:15,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:59:15,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:59:15,080 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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 03:59:16,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:16,445 INFO L93 Difference]: Finished difference Result 1133 states and 1531 transitions. [2022-10-16 03:59:16,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:59:16,446 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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 03:59:16,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:16,447 INFO L225 Difference]: With dead ends: 1133 [2022-10-16 03:59:16,448 INFO L226 Difference]: Without dead ends: 1133 [2022-10-16 03:59:16,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:59:16,449 INFO L413 NwaCegarLoop]: 824 mSDtfsCounter, 2867 mSDsluCounter, 5488 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2867 SdHoareTripleChecker+Valid, 6312 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:16,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2867 Valid, 6312 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:59:16,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2022-10-16 03:59:16,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 285. [2022-10-16 03:59:16,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 280 states have (on average 1.2392857142857143) internal successors, (347), 284 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:16,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 347 transitions. [2022-10-16 03:59:16,455 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 347 transitions. Word has length 101 [2022-10-16 03:59:16,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:16,455 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 347 transitions. [2022-10-16 03:59:16,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 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 03:59:16,455 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 347 transitions. [2022-10-16 03:59:16,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:59:16,456 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:16,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:16,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-10-16 03:59:16,456 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:16,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:16,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1781714603, now seen corresponding path program 1 times [2022-10-16 03:59:16,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:16,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915609796] [2022-10-16 03:59:16,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:16,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:17,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:17,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915609796] [2022-10-16 03:59:17,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915609796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:17,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:17,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:59:17,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710926574] [2022-10-16 03:59:17,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:17,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:17,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:17,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:17,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:17,152 INFO L87 Difference]: Start difference. First operand 285 states and 347 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 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 03:59:18,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:18,283 INFO L93 Difference]: Finished difference Result 725 states and 967 transitions. [2022-10-16 03:59:18,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:59:18,283 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 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 03:59:18,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:18,284 INFO L225 Difference]: With dead ends: 725 [2022-10-16 03:59:18,284 INFO L226 Difference]: Without dead ends: 725 [2022-10-16 03:59:18,285 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 03:59:18,285 INFO L413 NwaCegarLoop]: 719 mSDtfsCounter, 1974 mSDsluCounter, 3558 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 4277 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:18,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 4277 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:59:18,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-10-16 03:59:18,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 284. [2022-10-16 03:59:18,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 279 states have (on average 1.2365591397849462) internal successors, (345), 283 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 345 transitions. [2022-10-16 03:59:18,291 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 345 transitions. Word has length 101 [2022-10-16 03:59:18,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:18,291 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 345 transitions. [2022-10-16 03:59:18,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 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 03:59:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 345 transitions. [2022-10-16 03:59:18,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:59:18,292 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:18,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:18,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-10-16 03:59:18,293 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:18,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:18,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1981178433, now seen corresponding path program 1 times [2022-10-16 03:59:18,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:18,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135275325] [2022-10-16 03:59:18,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:18,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:18,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:18,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135275325] [2022-10-16 03:59:18,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135275325] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:18,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:18,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 03:59:18,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319720182] [2022-10-16 03:59:18,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:18,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:59:18,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:18,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:59:18,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:59:18,882 INFO L87 Difference]: Start difference. First operand 284 states and 345 transitions. Second operand has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 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 03:59:19,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:19,476 INFO L93 Difference]: Finished difference Result 521 states and 676 transitions. [2022-10-16 03:59:19,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:59:19,477 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 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 03:59:19,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:19,478 INFO L225 Difference]: With dead ends: 521 [2022-10-16 03:59:19,478 INFO L226 Difference]: Without dead ends: 521 [2022-10-16 03:59:19,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:59:19,479 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 1791 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:19,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1791 Valid, 1279 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:59:19,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2022-10-16 03:59:19,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 207. [2022-10-16 03:59:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 204 states have (on average 1.2303921568627452) internal successors, (251), 206 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 251 transitions. [2022-10-16 03:59:19,484 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 251 transitions. Word has length 101 [2022-10-16 03:59:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:19,485 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 251 transitions. [2022-10-16 03:59:19,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 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 03:59:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 251 transitions. [2022-10-16 03:59:19,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:59:19,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:19,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:19,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-10-16 03:59:19,487 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:19,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:19,487 INFO L85 PathProgramCache]: Analyzing trace with hash 690209749, now seen corresponding path program 1 times [2022-10-16 03:59:19,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:19,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410574530] [2022-10-16 03:59:19,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:19,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:19,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:19,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:19,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410574530] [2022-10-16 03:59:19,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410574530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:19,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:19,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:19,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051640232] [2022-10-16 03:59:19,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:19,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:19,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:19,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:19,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:19,768 INFO L87 Difference]: Start difference. First operand 207 states and 251 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 03:59:20,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:20,251 INFO L93 Difference]: Finished difference Result 317 states and 399 transitions. [2022-10-16 03:59:20,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 03:59:20,252 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 03:59:20,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:20,253 INFO L225 Difference]: With dead ends: 317 [2022-10-16 03:59:20,253 INFO L226 Difference]: Without dead ends: 317 [2022-10-16 03:59:20,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-10-16 03:59:20,253 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 665 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:20,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 783 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:59:20,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2022-10-16 03:59:20,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 203. [2022-10-16 03:59:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 200 states have (on average 1.23) internal successors, (246), 202 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 246 transitions. [2022-10-16 03:59:20,256 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 246 transitions. Word has length 102 [2022-10-16 03:59:20,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:20,256 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 246 transitions. [2022-10-16 03:59:20,256 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 03:59:20,256 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 246 transitions. [2022-10-16 03:59:20,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:59:20,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:20,257 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, 1, 1] [2022-10-16 03:59:20,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-10-16 03:59:20,258 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:20,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:20,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1191441136, now seen corresponding path program 1 times [2022-10-16 03:59:20,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:20,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133058976] [2022-10-16 03:59:20,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:20,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:23,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:23,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:23,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133058976] [2022-10-16 03:59:23,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133058976] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:23,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:23,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-10-16 03:59:23,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857260163] [2022-10-16 03:59:23,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:23,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-10-16 03:59:23,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:23,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-10-16 03:59:23,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=978, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 03:59:23,205 INFO L87 Difference]: Start difference. First operand 203 states and 246 transitions. Second operand has 33 states, 33 states have (on average 3.121212121212121) internal successors, (103), 33 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 03:59:35,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:35,220 INFO L93 Difference]: Finished difference Result 1069 states and 1421 transitions. [2022-10-16 03:59:35,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 03:59:35,221 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.121212121212121) internal successors, (103), 33 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 03:59:35,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:35,221 INFO L225 Difference]: With dead ends: 1069 [2022-10-16 03:59:35,222 INFO L226 Difference]: Without dead ends: 1069 [2022-10-16 03:59:35,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=510, Invalid=3150, Unknown=0, NotChecked=0, Total=3660 [2022-10-16 03:59:35,222 INFO L413 NwaCegarLoop]: 887 mSDtfsCounter, 2678 mSDsluCounter, 17007 mSDsCounter, 0 mSdLazyCounter, 8896 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2678 SdHoareTripleChecker+Valid, 17894 SdHoareTripleChecker+Invalid, 8960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 8896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:35,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2678 Valid, 17894 Invalid, 8960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [64 Valid, 8896 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-10-16 03:59:35,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2022-10-16 03:59:35,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 229. [2022-10-16 03:59:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 226 states have (on average 1.2300884955752212) internal successors, (278), 228 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 278 transitions. [2022-10-16 03:59:35,227 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 278 transitions. Word has length 103 [2022-10-16 03:59:35,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:35,227 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 278 transitions. [2022-10-16 03:59:35,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.121212121212121) internal successors, (103), 33 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 03:59:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 278 transitions. [2022-10-16 03:59:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:59:35,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:35,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:35,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-10-16 03:59:35,229 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:35,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:35,229 INFO L85 PathProgramCache]: Analyzing trace with hash -996428293, now seen corresponding path program 1 times [2022-10-16 03:59:35,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:35,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906099749] [2022-10-16 03:59:35,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:35,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:37,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:37,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906099749] [2022-10-16 03:59:37,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906099749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:37,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:37,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-10-16 03:59:37,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814567698] [2022-10-16 03:59:37,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:37,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-10-16 03:59:37,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:37,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-10-16 03:59:37,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=980, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 03:59:37,672 INFO L87 Difference]: Start difference. First operand 229 states and 278 transitions. Second operand has 33 states, 33 states have (on average 3.121212121212121) internal successors, (103), 33 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 03:59:47,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:47,180 INFO L93 Difference]: Finished difference Result 916 states and 1197 transitions. [2022-10-16 03:59:47,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-16 03:59:47,181 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.121212121212121) internal successors, (103), 33 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 03:59:47,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:47,182 INFO L225 Difference]: With dead ends: 916 [2022-10-16 03:59:47,182 INFO L226 Difference]: Without dead ends: 916 [2022-10-16 03:59:47,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=510, Invalid=3150, Unknown=0, NotChecked=0, Total=3660 [2022-10-16 03:59:47,183 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 3046 mSDsluCounter, 14957 mSDsCounter, 0 mSdLazyCounter, 7551 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3046 SdHoareTripleChecker+Valid, 15813 SdHoareTripleChecker+Invalid, 7634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 7551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:47,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3046 Valid, 15813 Invalid, 7634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [83 Valid, 7551 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 03:59:47,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2022-10-16 03:59:47,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 233. [2022-10-16 03:59:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 230 states have (on average 1.2304347826086957) internal successors, (283), 232 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:47,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 283 transitions. [2022-10-16 03:59:47,189 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 283 transitions. Word has length 103 [2022-10-16 03:59:47,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:47,189 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 283 transitions. [2022-10-16 03:59:47,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.121212121212121) internal successors, (103), 33 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 03:59:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 283 transitions. [2022-10-16 03:59:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 03:59:47,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:47,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:47,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-10-16 03:59:47,190 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:47,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:47,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1155230333, now seen corresponding path program 1 times [2022-10-16 03:59:47,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:47,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445539405] [2022-10-16 03:59:47,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:47,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:47,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:47,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445539405] [2022-10-16 03:59:47,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445539405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:47,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:47,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:59:47,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039026575] [2022-10-16 03:59:47,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:47,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:47,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:47,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:47,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:47,736 INFO L87 Difference]: Start difference. First operand 233 states and 283 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:48,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:48,557 INFO L93 Difference]: Finished difference Result 479 states and 636 transitions. [2022-10-16 03:59:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:59:48,557 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 03:59:48,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:48,558 INFO L225 Difference]: With dead ends: 479 [2022-10-16 03:59:48,558 INFO L226 Difference]: Without dead ends: 479 [2022-10-16 03:59:48,559 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 03:59:48,559 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 1119 mSDsluCounter, 2475 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 3002 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:48,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 3002 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:59:48,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-10-16 03:59:48,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 221. [2022-10-16 03:59:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 219 states have (on average 1.2283105022831051) internal successors, (269), 220 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 269 transitions. [2022-10-16 03:59:48,564 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 269 transitions. Word has length 104 [2022-10-16 03:59:48,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:48,565 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 269 transitions. [2022-10-16 03:59:48,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 269 transitions. [2022-10-16 03:59:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 03:59:48,566 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:48,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:48,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-10-16 03:59:48,566 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 20 more)] === [2022-10-16 03:59:48,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:48,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1350243176, now seen corresponding path program 1 times [2022-10-16 03:59:48,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:48,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239795517] [2022-10-16 03:59:48,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:48,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:49,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:49,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239795517] [2022-10-16 03:59:49,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239795517] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:49,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:49,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:59:49,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516055801] [2022-10-16 03:59:49,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:49,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:59:49,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:49,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:59:49,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:59:49,228 INFO L87 Difference]: Start difference. First operand 221 states and 269 transitions. Second operand has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)