/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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:17:45,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:17:45,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:17:45,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 03:17:45,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 03:17:45,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 03:17:45,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 03:17:45,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 03:17:45,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 03:17:45,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 03:17:45,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 03:17:45,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 03:17:45,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:17:45,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:17:45,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:17:45,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:17:45,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:17:45,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:17:45,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:17:45,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:17:45,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:17:45,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:17:45,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:17:45,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:17:45,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 03:17:45,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 03:17:45,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 03:17:45,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 03:17:45,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 03:17:45,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 03:17:45,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 03:17:45,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 03:17:45,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 03:17:45,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 03:17:45,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 03:17:45,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 03:17:45,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 03:17:45,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 03:17:45,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:17:45,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:17:45,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:17:45,644 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 03:17:45,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:17:45,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:17:45,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:17:45,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:17:45,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:17:45,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:17:45,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:17:45,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:17:45,696 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:17:45,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:17:45,697 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:17:45,697 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:17:45,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:17:45,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:17:45,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:17:45,698 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:17:45,698 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:17:45,698 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:17:45,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:17:45,698 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:17:45,699 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:17:45,699 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:17:45,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:17:45,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:17:45,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:17:45,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:17:45,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:17:45,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:17:45,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:17:45,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:17:45,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:17:46,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:17:46,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:17:46,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:17:46,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:17:46,080 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:17:46,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:17:46,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e915791c8/26ec5d0580664e608089fcd83f9c94b2/FLAGff94e10f0 [2022-10-16 03:17:46,941 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:17:46,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:17:46,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e915791c8/26ec5d0580664e608089fcd83f9c94b2/FLAGff94e10f0 [2022-10-16 03:17:47,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e915791c8/26ec5d0580664e608089fcd83f9c94b2 [2022-10-16 03:17:47,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:17:47,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:17:47,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:17:47,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:17:47,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:17:47,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:17:47" (1/1) ... [2022-10-16 03:17:47,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9ce777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:47, skipping insertion in model container [2022-10-16 03:17:47,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:17:47" (1/1) ... [2022-10-16 03:17:47,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:17:47,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:17:48,158 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31736,31749] [2022-10-16 03:17:48,193 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32626,32639] [2022-10-16 03:17:48,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34328,34341] [2022-10-16 03:17:48,290 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35602,35615] [2022-10-16 03:17:48,561 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48839,48852] [2022-10-16 03:17:48,718 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[57613,57626] [2022-10-16 03:17:48,739 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[58506,58519] [2022-10-16 03:17:48,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60211,60224] [2022-10-16 03:17:48,788 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61104,61117] [2022-10-16 03:17:48,843 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63621,63634] [2022-10-16 03:17:48,861 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[64514,64527] [2022-10-16 03:17:48,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[66219,66232] [2022-10-16 03:17:48,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:17:48,988 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:17:49,234 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31736,31749] [2022-10-16 03:17:49,249 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32626,32639] [2022-10-16 03:17:49,271 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34328,34341] [2022-10-16 03:17:49,289 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35602,35615] [2022-10-16 03:17:49,403 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48839,48852] [2022-10-16 03:17:49,507 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[57613,57626] [2022-10-16 03:17:49,526 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[58506,58519] [2022-10-16 03:17:49,552 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60211,60224] [2022-10-16 03:17:49,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61104,61117] [2022-10-16 03:17:49,600 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63621,63634] [2022-10-16 03:17:49,616 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[64514,64527] [2022-10-16 03:17:49,639 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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[66219,66232] [2022-10-16 03:17:49,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:17:49,720 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:17:49,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49 WrapperNode [2022-10-16 03:17:49,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:17:49,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:17:49,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:17:49,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:17:49,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:49,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:49,891 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3846 [2022-10-16 03:17:49,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:17:49,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:17:49,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:17:49,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:17:49,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:49,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:49,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:49,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:49,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:50,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:50,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:50,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:50,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:17:50,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:17:50,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:17:50,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:17:50,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (1/1) ... [2022-10-16 03:17:50,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:17:50,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:17:50,115 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 03:17:50,141 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 03:17:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:17:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:17:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:17:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:17:50,447 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:17:50,450 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:17:53,092 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:17:53,116 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:17:53,117 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:17:53,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:17:53 BoogieIcfgContainer [2022-10-16 03:17:53,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:17:53,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:17:53,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:17:53,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:17:53,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:17:47" (1/3) ... [2022-10-16 03:17:53,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d20d77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:17:53, skipping insertion in model container [2022-10-16 03:17:53,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:49" (2/3) ... [2022-10-16 03:17:53,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d20d77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:17:53, skipping insertion in model container [2022-10-16 03:17:53,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:17:53" (3/3) ... [2022-10-16 03:17:53,134 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:17:53,156 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:17:53,156 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-10-16 03:17:53,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:17:53,269 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;@1fe19ad3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:17:53,269 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-10-16 03:17:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 930 states, 916 states have (on average 1.831877729257642) internal successors, (1678), 929 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:53,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 03:17:53,292 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:53,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:17:53,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:17:53,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:53,300 INFO L85 PathProgramCache]: Analyzing trace with hash -486178955, now seen corresponding path program 1 times [2022-10-16 03:17:53,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:53,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440192702] [2022-10-16 03:17:53,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:53,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:17:53,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:53,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440192702] [2022-10-16 03:17:53,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440192702] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:53,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:53,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:17:53,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791255028] [2022-10-16 03:17:53,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:53,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:17:53,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:53,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:17:53,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:53,890 INFO L87 Difference]: Start difference. First operand has 930 states, 916 states have (on average 1.831877729257642) internal successors, (1678), 929 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:54,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:54,007 INFO L93 Difference]: Finished difference Result 929 states and 1665 transitions. [2022-10-16 03:17:54,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:17:54,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 03:17:54,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:54,039 INFO L225 Difference]: With dead ends: 929 [2022-10-16 03:17:54,039 INFO L226 Difference]: Without dead ends: 926 [2022-10-16 03:17:54,041 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 03:17:54,048 INFO L413 NwaCegarLoop]: 1664 mSDtfsCounter, 1614 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 1664 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 03:17:54,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 1664 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:17:54,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2022-10-16 03:17:54,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 926. [2022-10-16 03:17:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 914 states have (on average 1.5371991247264771) internal successors, (1405), 925 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1405 transitions. [2022-10-16 03:17:54,156 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1405 transitions. Word has length 52 [2022-10-16 03:17:54,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:54,157 INFO L495 AbstractCegarLoop]: Abstraction has 926 states and 1405 transitions. [2022-10-16 03:17:54,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1405 transitions. [2022-10-16 03:17:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-10-16 03:17:54,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:54,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:17:54,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:17:54,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:17:54,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:54,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1509149124, now seen corresponding path program 1 times [2022-10-16 03:17:54,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:54,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391931068] [2022-10-16 03:17:54,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:54,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:17:55,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:55,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391931068] [2022-10-16 03:17:55,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391931068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:55,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:55,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:17:55,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233951328] [2022-10-16 03:17:55,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:55,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:17:55,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:55,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:17:55,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:55,066 INFO L87 Difference]: Start difference. First operand 926 states and 1405 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:55,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:55,247 INFO L93 Difference]: Finished difference Result 1331 states and 2026 transitions. [2022-10-16 03:17:55,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:17:55,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2022-10-16 03:17:55,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:55,258 INFO L225 Difference]: With dead ends: 1331 [2022-10-16 03:17:55,259 INFO L226 Difference]: Without dead ends: 1331 [2022-10-16 03:17:55,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:55,261 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 739 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 2356 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:55,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 2356 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:17:55,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-10-16 03:17:55,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1329. [2022-10-16 03:17:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1317 states have (on average 1.5375854214123006) internal successors, (2025), 1328 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 2025 transitions. [2022-10-16 03:17:55,311 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 2025 transitions. Word has length 304 [2022-10-16 03:17:55,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:55,312 INFO L495 AbstractCegarLoop]: Abstraction has 1329 states and 2025 transitions. [2022-10-16 03:17:55,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:55,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 2025 transitions. [2022-10-16 03:17:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-10-16 03:17:55,320 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:55,321 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:17:55,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:17:55,321 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:17:55,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:55,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1628624792, now seen corresponding path program 1 times [2022-10-16 03:17:55,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:55,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126020400] [2022-10-16 03:17:55,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:55,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:17:55,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:55,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126020400] [2022-10-16 03:17:55,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126020400] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:55,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:55,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:17:55,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350499053] [2022-10-16 03:17:55,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:55,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:17:55,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:55,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:17:55,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:55,775 INFO L87 Difference]: Start difference. First operand 1329 states and 2025 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:55,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:55,935 INFO L93 Difference]: Finished difference Result 2139 states and 3268 transitions. [2022-10-16 03:17:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:17:55,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2022-10-16 03:17:55,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:55,952 INFO L225 Difference]: With dead ends: 2139 [2022-10-16 03:17:55,952 INFO L226 Difference]: Without dead ends: 2139 [2022-10-16 03:17:55,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:55,959 INFO L413 NwaCegarLoop]: 1563 mSDtfsCounter, 711 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 2604 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:55,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 2604 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:17:55,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2022-10-16 03:17:56,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2137. [2022-10-16 03:17:56,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2137 states, 2125 states have (on average 1.5374117647058823) internal successors, (3267), 2136 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 3267 transitions. [2022-10-16 03:17:56,054 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 3267 transitions. Word has length 304 [2022-10-16 03:17:56,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:56,055 INFO L495 AbstractCegarLoop]: Abstraction has 2137 states and 3267 transitions. [2022-10-16 03:17:56,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 3267 transitions. [2022-10-16 03:17:56,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-10-16 03:17:56,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:56,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:17:56,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:17:56,065 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:17:56,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:56,068 INFO L85 PathProgramCache]: Analyzing trace with hash 251943448, now seen corresponding path program 1 times [2022-10-16 03:17:56,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:56,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832760320] [2022-10-16 03:17:56,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:56,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:17:56,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:56,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832760320] [2022-10-16 03:17:56,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832760320] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:56,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:56,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:17:56,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235909314] [2022-10-16 03:17:56,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:56,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:17:56,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:56,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:17:56,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:56,620 INFO L87 Difference]: Start difference. First operand 2137 states and 3267 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:56,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:56,811 INFO L93 Difference]: Finished difference Result 3759 states and 5756 transitions. [2022-10-16 03:17:56,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:17:56,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2022-10-16 03:17:56,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:56,834 INFO L225 Difference]: With dead ends: 3759 [2022-10-16 03:17:56,835 INFO L226 Difference]: Without dead ends: 3759 [2022-10-16 03:17:56,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:56,838 INFO L413 NwaCegarLoop]: 1549 mSDtfsCounter, 730 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 2594 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:56,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 2594 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:17:56,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2022-10-16 03:17:56,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3757. [2022-10-16 03:17:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3757 states, 3745 states have (on average 1.5367156208277704) internal successors, (5755), 3756 states have internal predecessors, (5755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 5755 transitions. [2022-10-16 03:17:56,982 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 5755 transitions. Word has length 304 [2022-10-16 03:17:56,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:56,983 INFO L495 AbstractCegarLoop]: Abstraction has 3757 states and 5755 transitions. [2022-10-16 03:17:56,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 5755 transitions. [2022-10-16 03:17:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-10-16 03:17:56,995 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:56,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:17:56,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:17:56,996 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:17:56,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:56,997 INFO L85 PathProgramCache]: Analyzing trace with hash -511267108, now seen corresponding path program 1 times [2022-10-16 03:17:56,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:56,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888499252] [2022-10-16 03:17:56,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:57,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:17:57,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:57,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888499252] [2022-10-16 03:17:57,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888499252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:57,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:57,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:17:57,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103656995] [2022-10-16 03:17:57,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:57,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:17:57,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:57,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:17:57,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:57,403 INFO L87 Difference]: Start difference. First operand 3757 states and 5755 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:57,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:57,712 INFO L93 Difference]: Finished difference Result 7007 states and 10740 transitions. [2022-10-16 03:17:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:17:57,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2022-10-16 03:17:57,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:57,755 INFO L225 Difference]: With dead ends: 7007 [2022-10-16 03:17:57,756 INFO L226 Difference]: Without dead ends: 7007 [2022-10-16 03:17:57,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:57,769 INFO L413 NwaCegarLoop]: 1521 mSDtfsCounter, 775 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 2588 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:57,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 2588 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:17:57,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2022-10-16 03:17:57,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 7005. [2022-10-16 03:17:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7005 states, 6993 states have (on average 1.5356785356785356) internal successors, (10739), 7004 states have internal predecessors, (10739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7005 states to 7005 states and 10739 transitions. [2022-10-16 03:17:58,004 INFO L78 Accepts]: Start accepts. Automaton has 7005 states and 10739 transitions. Word has length 304 [2022-10-16 03:17:58,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:58,005 INFO L495 AbstractCegarLoop]: Abstraction has 7005 states and 10739 transitions. [2022-10-16 03:17:58,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 7005 states and 10739 transitions. [2022-10-16 03:17:58,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-10-16 03:17:58,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:58,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:17:58,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:17:58,022 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:17:58,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:58,023 INFO L85 PathProgramCache]: Analyzing trace with hash -511698084, now seen corresponding path program 1 times [2022-10-16 03:17:58,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:58,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198189167] [2022-10-16 03:17:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:58,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:17:59,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:59,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198189167] [2022-10-16 03:17:59,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198189167] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:59,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:59,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:17:59,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124275306] [2022-10-16 03:17:59,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:59,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:17:59,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:59,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:17:59,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:17:59,392 INFO L87 Difference]: Start difference. First operand 7005 states and 10739 transitions. Second operand has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:59,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:59,629 INFO L93 Difference]: Finished difference Result 13751 states and 20955 transitions. [2022-10-16 03:17:59,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:17:59,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2022-10-16 03:17:59,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:59,719 INFO L225 Difference]: With dead ends: 13751 [2022-10-16 03:17:59,719 INFO L226 Difference]: Without dead ends: 13751 [2022-10-16 03:17:59,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:17:59,722 INFO L413 NwaCegarLoop]: 2415 mSDtfsCounter, 2971 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2971 SdHoareTripleChecker+Valid, 3748 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:59,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2971 Valid, 3748 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:17:59,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13751 states. [2022-10-16 03:18:00,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13751 to 13563. [2022-10-16 03:18:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13563 states, 13551 states have (on average 1.527636336801712) internal successors, (20701), 13562 states have internal predecessors, (20701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:00,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13563 states to 13563 states and 20701 transitions. [2022-10-16 03:18:00,203 INFO L78 Accepts]: Start accepts. Automaton has 13563 states and 20701 transitions. Word has length 304 [2022-10-16 03:18:00,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:00,204 INFO L495 AbstractCegarLoop]: Abstraction has 13563 states and 20701 transitions. [2022-10-16 03:18:00,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 13563 states and 20701 transitions. [2022-10-16 03:18:00,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-10-16 03:18:00,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:00,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:18:00,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:18:00,233 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:18:00,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:00,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1717054208, now seen corresponding path program 1 times [2022-10-16 03:18:00,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:00,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707313716] [2022-10-16 03:18:00,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:00,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:00,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:18:00,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:00,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707313716] [2022-10-16 03:18:00,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707313716] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:00,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:00,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:18:00,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450556278] [2022-10-16 03:18:00,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:00,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:18:00,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:00,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:18:00,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:00,502 INFO L87 Difference]: Start difference. First operand 13563 states and 20701 transitions. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:00,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:00,731 INFO L93 Difference]: Finished difference Result 26618 states and 40380 transitions. [2022-10-16 03:18:00,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:18:00,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 306 [2022-10-16 03:18:00,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:00,802 INFO L225 Difference]: With dead ends: 26618 [2022-10-16 03:18:00,803 INFO L226 Difference]: Without dead ends: 26618 [2022-10-16 03:18:00,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:00,805 INFO L413 NwaCegarLoop]: 2678 mSDtfsCounter, 1265 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 4021 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:00,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 4021 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:18:00,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26618 states. [2022-10-16 03:18:01,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26618 to 26430. [2022-10-16 03:18:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26430 states, 26418 states have (on average 1.5188886365356953) internal successors, (40126), 26429 states have internal predecessors, (40126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26430 states to 26430 states and 40126 transitions. [2022-10-16 03:18:01,824 INFO L78 Accepts]: Start accepts. Automaton has 26430 states and 40126 transitions. Word has length 306 [2022-10-16 03:18:01,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:01,824 INFO L495 AbstractCegarLoop]: Abstraction has 26430 states and 40126 transitions. [2022-10-16 03:18:01,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:01,825 INFO L276 IsEmpty]: Start isEmpty. Operand 26430 states and 40126 transitions. [2022-10-16 03:18:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-10-16 03:18:01,875 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:01,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:18:01,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:18:01,878 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:18:01,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:01,878 INFO L85 PathProgramCache]: Analyzing trace with hash 263725189, now seen corresponding path program 1 times [2022-10-16 03:18:01,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:01,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101887479] [2022-10-16 03:18:01,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:01,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:18:02,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:02,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101887479] [2022-10-16 03:18:02,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101887479] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:02,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:02,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:18:02,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422224609] [2022-10-16 03:18:02,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:02,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:18:02,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:02,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:18:02,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:02,108 INFO L87 Difference]: Start difference. First operand 26430 states and 40126 transitions. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:02,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:02,530 INFO L93 Difference]: Finished difference Result 52831 states and 80196 transitions. [2022-10-16 03:18:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:18:02,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 306 [2022-10-16 03:18:02,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:02,672 INFO L225 Difference]: With dead ends: 52831 [2022-10-16 03:18:02,673 INFO L226 Difference]: Without dead ends: 52831 [2022-10-16 03:18:02,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:02,674 INFO L413 NwaCegarLoop]: 2784 mSDtfsCounter, 1389 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1389 SdHoareTripleChecker+Valid, 4174 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:02,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1389 Valid, 4174 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:18:02,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52831 states. [2022-10-16 03:18:03,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52831 to 26449. [2022-10-16 03:18:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26449 states, 26437 states have (on average 1.5188561485796421) internal successors, (40154), 26448 states have internal predecessors, (40154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26449 states to 26449 states and 40154 transitions. [2022-10-16 03:18:03,760 INFO L78 Accepts]: Start accepts. Automaton has 26449 states and 40154 transitions. Word has length 306 [2022-10-16 03:18:03,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:03,760 INFO L495 AbstractCegarLoop]: Abstraction has 26449 states and 40154 transitions. [2022-10-16 03:18:03,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 26449 states and 40154 transitions. [2022-10-16 03:18:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-10-16 03:18:03,808 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:03,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:18:03,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:18:03,809 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:18:03,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:03,810 INFO L85 PathProgramCache]: Analyzing trace with hash -485064724, now seen corresponding path program 1 times [2022-10-16 03:18:03,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:03,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199429326] [2022-10-16 03:18:03,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:03,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:18:04,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:04,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199429326] [2022-10-16 03:18:04,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199429326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:04,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:04,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:18:04,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116330859] [2022-10-16 03:18:04,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:04,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:18:04,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:04,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:18:04,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:04,205 INFO L87 Difference]: Start difference. First operand 26449 states and 40154 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:04,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:04,425 INFO L93 Difference]: Finished difference Result 52849 states and 80217 transitions. [2022-10-16 03:18:04,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:18:04,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 307 [2022-10-16 03:18:04,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:04,740 INFO L225 Difference]: With dead ends: 52849 [2022-10-16 03:18:04,741 INFO L226 Difference]: Without dead ends: 52849 [2022-10-16 03:18:04,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:04,742 INFO L413 NwaCegarLoop]: 2784 mSDtfsCounter, 1384 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 4174 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:04,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1384 Valid, 4174 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:18:04,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52849 states. [2022-10-16 03:18:05,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52849 to 26467. [2022-10-16 03:18:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26467 states, 26455 states have (on average 1.5186165186165186) internal successors, (40175), 26466 states have internal predecessors, (40175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:05,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26467 states to 26467 states and 40175 transitions. [2022-10-16 03:18:05,594 INFO L78 Accepts]: Start accepts. Automaton has 26467 states and 40175 transitions. Word has length 307 [2022-10-16 03:18:05,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:05,594 INFO L495 AbstractCegarLoop]: Abstraction has 26467 states and 40175 transitions. [2022-10-16 03:18:05,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 26467 states and 40175 transitions. [2022-10-16 03:18:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-10-16 03:18:05,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:05,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:18:05,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:18:05,642 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:18:05,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:05,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1757991240, now seen corresponding path program 1 times [2022-10-16 03:18:05,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:05,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499128272] [2022-10-16 03:18:05,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:05,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:18:06,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:06,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499128272] [2022-10-16 03:18:06,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499128272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:06,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:06,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:18:06,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175840561] [2022-10-16 03:18:06,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:06,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:18:06,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:06,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:18:06,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:18:06,795 INFO L87 Difference]: Start difference. First operand 26467 states and 40175 transitions. Second operand has 5 states, 5 states have (on average 61.6) internal successors, (308), 5 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:07,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:07,177 INFO L93 Difference]: Finished difference Result 51722 states and 77969 transitions. [2022-10-16 03:18:07,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:18:07,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 61.6) internal successors, (308), 5 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 308 [2022-10-16 03:18:07,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:07,264 INFO L225 Difference]: With dead ends: 51722 [2022-10-16 03:18:07,264 INFO L226 Difference]: Without dead ends: 51722 [2022-10-16 03:18:07,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:18:07,265 INFO L413 NwaCegarLoop]: 2400 mSDtfsCounter, 2707 mSDsluCounter, 2650 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2707 SdHoareTripleChecker+Valid, 5050 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:07,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2707 Valid, 5050 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:18:07,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51722 states. [2022-10-16 03:18:08,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51722 to 51558. [2022-10-16 03:18:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51558 states, 51546 states have (on average 1.5083032631047997) internal successors, (77747), 51557 states have internal predecessors, (77747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:08,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51558 states to 51558 states and 77747 transitions. [2022-10-16 03:18:08,689 INFO L78 Accepts]: Start accepts. Automaton has 51558 states and 77747 transitions. Word has length 308 [2022-10-16 03:18:08,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:08,692 INFO L495 AbstractCegarLoop]: Abstraction has 51558 states and 77747 transitions. [2022-10-16 03:18:08,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.6) internal successors, (308), 5 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 51558 states and 77747 transitions. [2022-10-16 03:18:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-10-16 03:18:08,760 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:08,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:18:08,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:18:08,761 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:18:08,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:08,762 INFO L85 PathProgramCache]: Analyzing trace with hash 154367054, now seen corresponding path program 1 times [2022-10-16 03:18:08,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:08,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797207191] [2022-10-16 03:18:08,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:08,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:09,815 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 03:18:09,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:09,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797207191] [2022-10-16 03:18:09,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797207191] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:09,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:09,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:18:09,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095563998] [2022-10-16 03:18:09,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:09,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:18:09,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:09,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:18:09,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:18:09,819 INFO L87 Difference]: Start difference. First operand 51558 states and 77747 transitions. Second operand has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:10,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:10,273 INFO L93 Difference]: Finished difference Result 101018 states and 151303 transitions. [2022-10-16 03:18:10,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:18:10,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2022-10-16 03:18:10,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:10,438 INFO L225 Difference]: With dead ends: 101018 [2022-10-16 03:18:10,439 INFO L226 Difference]: Without dead ends: 101018 [2022-10-16 03:18:10,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:18:10,441 INFO L413 NwaCegarLoop]: 2397 mSDtfsCounter, 2919 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2919 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:10,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2919 Valid, 3734 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:18:10,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101018 states. [2022-10-16 03:18:12,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101018 to 100810. [2022-10-16 03:18:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100810 states, 100798 states have (on average 1.498333300263894) internal successors, (151029), 100809 states have internal predecessors, (151029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100810 states to 100810 states and 151029 transitions. [2022-10-16 03:18:12,989 INFO L78 Accepts]: Start accepts. Automaton has 100810 states and 151029 transitions. Word has length 310 [2022-10-16 03:18:12,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:12,989 INFO L495 AbstractCegarLoop]: Abstraction has 100810 states and 151029 transitions. [2022-10-16 03:18:12,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:12,990 INFO L276 IsEmpty]: Start isEmpty. Operand 100810 states and 151029 transitions. [2022-10-16 03:18:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-10-16 03:18:13,074 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:13,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:18:13,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:18:13,075 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:18:13,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash 620391465, now seen corresponding path program 1 times [2022-10-16 03:18:13,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:13,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504425288] [2022-10-16 03:18:13,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:13,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:18:13,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:13,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504425288] [2022-10-16 03:18:13,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504425288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:13,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:13,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:18:13,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325614942] [2022-10-16 03:18:13,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:13,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:18:13,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:13,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:18:13,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:13,349 INFO L87 Difference]: Start difference. First operand 100810 states and 151029 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:14,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:14,558 INFO L93 Difference]: Finished difference Result 197556 states and 293931 transitions. [2022-10-16 03:18:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:18:14,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 312 [2022-10-16 03:18:14,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:15,364 INFO L225 Difference]: With dead ends: 197556 [2022-10-16 03:18:15,364 INFO L226 Difference]: Without dead ends: 197556 [2022-10-16 03:18:15,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:15,366 INFO L413 NwaCegarLoop]: 2680 mSDtfsCounter, 1241 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 4027 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:15,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 4027 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:18:15,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197556 states. [2022-10-16 03:18:18,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197556 to 197348. [2022-10-16 03:18:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197348 states, 197336 states have (on average 1.4881065796408157) internal successors, (293657), 197347 states have internal predecessors, (293657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197348 states to 197348 states and 293657 transitions. [2022-10-16 03:18:19,537 INFO L78 Accepts]: Start accepts. Automaton has 197348 states and 293657 transitions. Word has length 312 [2022-10-16 03:18:19,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:19,538 INFO L495 AbstractCegarLoop]: Abstraction has 197348 states and 293657 transitions. [2022-10-16 03:18:19,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:19,539 INFO L276 IsEmpty]: Start isEmpty. Operand 197348 states and 293657 transitions. [2022-10-16 03:18:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-10-16 03:18:20,211 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:20,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:18:20,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:18:20,213 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:18:20,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:20,213 INFO L85 PathProgramCache]: Analyzing trace with hash -53597842, now seen corresponding path program 1 times [2022-10-16 03:18:20,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:20,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281054777] [2022-10-16 03:18:20,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:20,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:18:20,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:20,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281054777] [2022-10-16 03:18:20,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281054777] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:20,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:20,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:18:20,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028247042] [2022-10-16 03:18:20,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:20,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:18:20,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:20,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:18:20,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:20,397 INFO L87 Difference]: Start difference. First operand 197348 states and 293657 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:22,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:22,128 INFO L93 Difference]: Finished difference Result 394478 states and 586927 transitions. [2022-10-16 03:18:22,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:18:22,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 312 [2022-10-16 03:18:22,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:23,458 INFO L225 Difference]: With dead ends: 394478 [2022-10-16 03:18:23,459 INFO L226 Difference]: Without dead ends: 394478 [2022-10-16 03:18:23,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:23,463 INFO L413 NwaCegarLoop]: 2751 mSDtfsCounter, 1356 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 4141 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:23,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 4141 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:18:23,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394478 states. [2022-10-16 03:18:27,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394478 to 197462. [2022-10-16 03:18:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197462 states, 197450 states have (on average 1.4880982527222082) internal successors, (293825), 197461 states have internal predecessors, (293825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:29,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197462 states to 197462 states and 293825 transitions. [2022-10-16 03:18:29,127 INFO L78 Accepts]: Start accepts. Automaton has 197462 states and 293825 transitions. Word has length 312 [2022-10-16 03:18:29,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:29,127 INFO L495 AbstractCegarLoop]: Abstraction has 197462 states and 293825 transitions. [2022-10-16 03:18:29,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:29,128 INFO L276 IsEmpty]: Start isEmpty. Operand 197462 states and 293825 transitions. [2022-10-16 03:18:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-10-16 03:18:29,272 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:29,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:18:29,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:18:29,273 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:18:29,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:29,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1312450781, now seen corresponding path program 1 times [2022-10-16 03:18:29,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:29,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627258904] [2022-10-16 03:18:29,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:29,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:18:29,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:29,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627258904] [2022-10-16 03:18:29,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627258904] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:29,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:29,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:18:29,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925031493] [2022-10-16 03:18:29,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:29,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:18:29,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:29,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:18:29,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:29,436 INFO L87 Difference]: Start difference. First operand 197462 states and 293825 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:31,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:31,669 INFO L93 Difference]: Finished difference Result 394574 states and 587037 transitions. [2022-10-16 03:18:31,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:18:31,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 313 [2022-10-16 03:18:31,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:32,293 INFO L225 Difference]: With dead ends: 394574 [2022-10-16 03:18:32,294 INFO L226 Difference]: Without dead ends: 394574 [2022-10-16 03:18:32,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:32,296 INFO L413 NwaCegarLoop]: 2751 mSDtfsCounter, 1351 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 4141 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:32,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 4141 Invalid, 9 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:18:32,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394574 states. [2022-10-16 03:18:36,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394574 to 197558. [2022-10-16 03:18:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197558 states, 197546 states have (on average 1.4879319247162686) internal successors, (293935), 197557 states have internal predecessors, (293935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:37,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197558 states to 197558 states and 293935 transitions. [2022-10-16 03:18:37,921 INFO L78 Accepts]: Start accepts. Automaton has 197558 states and 293935 transitions. Word has length 313 [2022-10-16 03:18:37,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:37,925 INFO L495 AbstractCegarLoop]: Abstraction has 197558 states and 293935 transitions. [2022-10-16 03:18:37,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 197558 states and 293935 transitions. [2022-10-16 03:18:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-10-16 03:18:38,080 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:38,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:18:38,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:18:38,081 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:18:38,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:38,081 INFO L85 PathProgramCache]: Analyzing trace with hash 297353284, now seen corresponding path program 1 times [2022-10-16 03:18:38,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:38,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714052396] [2022-10-16 03:18:38,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:38,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:18:38,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:38,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714052396] [2022-10-16 03:18:38,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714052396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:38,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:38,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:18:38,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850453413] [2022-10-16 03:18:38,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:38,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:18:38,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:38,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:18:38,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:38,291 INFO L87 Difference]: Start difference. First operand 197558 states and 293935 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:39,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:39,755 INFO L93 Difference]: Finished difference Result 365510 states and 539419 transitions. [2022-10-16 03:18:39,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:18:39,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 314 [2022-10-16 03:18:39,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:40,713 INFO L225 Difference]: With dead ends: 365510 [2022-10-16 03:18:40,714 INFO L226 Difference]: Without dead ends: 365510 [2022-10-16 03:18:40,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:18:40,715 INFO L413 NwaCegarLoop]: 2711 mSDtfsCounter, 1234 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 4058 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:40,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 4058 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:18:40,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365510 states. [2022-10-16 03:18:46,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365510 to 365302. [2022-10-16 03:18:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365302 states, 365290 states have (on average 1.4759369268252622) internal successors, (539145), 365301 states have internal predecessors, (539145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:49,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365302 states to 365302 states and 539145 transitions. [2022-10-16 03:18:49,311 INFO L78 Accepts]: Start accepts. Automaton has 365302 states and 539145 transitions. Word has length 314 [2022-10-16 03:18:49,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:49,312 INFO L495 AbstractCegarLoop]: Abstraction has 365302 states and 539145 transitions. [2022-10-16 03:18:49,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 365302 states and 539145 transitions. [2022-10-16 03:18:50,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-10-16 03:18:50,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:50,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:18:50,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:18:50,462 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:18:50,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:50,463 INFO L85 PathProgramCache]: Analyzing trace with hash -838503711, now seen corresponding path program 1 times [2022-10-16 03:18:50,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:50,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945481606] [2022-10-16 03:18:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:50,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:18:51,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:51,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945481606] [2022-10-16 03:18:51,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945481606] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:51,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:51,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:18:51,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803758128] [2022-10-16 03:18:51,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:51,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:18:51,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:51,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:18:51,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:18:51,832 INFO L87 Difference]: Start difference. First operand 365302 states and 539145 transitions. Second operand has 5 states, 5 states have (on average 62.8) internal successors, (314), 5 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:18:56,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:56,113 INFO L93 Difference]: Finished difference Result 714266 states and 1045790 transitions. [2022-10-16 03:18:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:18:56,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.8) internal successors, (314), 5 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 314 [2022-10-16 03:18:56,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:57,534 INFO L225 Difference]: With dead ends: 714266 [2022-10-16 03:18:57,534 INFO L226 Difference]: Without dead ends: 714266 [2022-10-16 03:18:57,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:18:57,539 INFO L413 NwaCegarLoop]: 2295 mSDtfsCounter, 3102 mSDsluCounter, 2650 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 4945 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:57,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 4945 Invalid, 121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [33 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:18:58,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714266 states. [2022-10-16 03:19:09,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714266 to 714110. [2022-10-16 03:19:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714110 states, 714098 states have (on average 1.4642023923887197) internal successors, (1045584), 714109 states have internal predecessors, (1045584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:19:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714110 states to 714110 states and 1045584 transitions. [2022-10-16 03:19:14,793 INFO L78 Accepts]: Start accepts. Automaton has 714110 states and 1045584 transitions. Word has length 314 [2022-10-16 03:19:14,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:19:14,793 INFO L495 AbstractCegarLoop]: Abstraction has 714110 states and 1045584 transitions. [2022-10-16 03:19:14,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.8) internal successors, (314), 5 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:19:14,794 INFO L276 IsEmpty]: Start isEmpty. Operand 714110 states and 1045584 transitions. [2022-10-16 03:19:15,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-10-16 03:19:15,898 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:19:15,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:19:15,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:19:15,899 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-16 03:19:15,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:19:15,900 INFO L85 PathProgramCache]: Analyzing trace with hash 37971119, now seen corresponding path program 1 times [2022-10-16 03:19:15,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:19:15,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514005366] [2022-10-16 03:19:15,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:19:15,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:19:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:19:16,651 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 03:19:16,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:19:16,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514005366] [2022-10-16 03:19:16,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514005366] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:19:16,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:19:16,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:19:16,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214848196] [2022-10-16 03:19:16,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:19:16,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:19:16,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:19:16,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:19:16,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:19:16,654 INFO L87 Difference]: Start difference. First operand 714110 states and 1045584 transitions. Second operand has 5 states, 5 states have (on average 63.2) internal successors, (316), 5 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:19:24,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:19:24,002 INFO L93 Difference]: Finished difference Result 1396978 states and 2027888 transitions. [2022-10-16 03:19:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:19:24,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 63.2) internal successors, (316), 5 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 316 [2022-10-16 03:19:24,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:19:28,070 INFO L225 Difference]: With dead ends: 1396978 [2022-10-16 03:19:28,070 INFO L226 Difference]: Without dead ends: 1396978 [2022-10-16 03:19:28,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:19:28,077 INFO L413 NwaCegarLoop]: 2351 mSDtfsCounter, 3876 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3876 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:19:28,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3876 Valid, 3660 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:19:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396978 states. [2022-10-16 03:19:53,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396978 to 1396894. [2022-10-16 03:19:58,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396894 states, 1396882 states have (on average 1.4516587657368338) internal successors, (2027796), 1396893 states have internal predecessors, (2027796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:20:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396894 states to 1396894 states and 2027796 transitions. [2022-10-16 03:20:08,491 INFO L78 Accepts]: Start accepts. Automaton has 1396894 states and 2027796 transitions. Word has length 316 [2022-10-16 03:20:08,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:20:08,492 INFO L495 AbstractCegarLoop]: Abstraction has 1396894 states and 2027796 transitions. [2022-10-16 03:20:08,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 63.2) internal successors, (316), 5 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:20:08,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1396894 states and 2027796 transitions.