/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:45:48,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:45:48,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:45:48,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 03:45:48,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 03:45:48,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 03:45:48,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 03:45:48,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 03:45:48,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 03:45:48,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 03:45:48,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 03:45:48,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 03:45:48,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:45:48,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:45:48,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:45:48,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:45:48,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:45:48,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:45:48,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:45:48,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:45:48,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:45:48,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:45:48,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:45:48,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:45:48,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 03:45:48,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 03:45:48,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 03:45:48,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 03:45:48,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 03:45:48,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 03:45:48,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 03:45:48,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 03:45:48,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 03:45:48,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 03:45:48,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 03:45:48,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 03:45:48,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 03:45:48,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 03:45:48,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:45:48,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:45:48,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:45:48,593 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 03:45:48,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:45:48,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:45:48,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:45:48,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:45:48,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:45:48,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:45:48,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:45:48,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:45:48,655 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:45:48,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:45:48,656 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:45:48,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:45:48,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:45:48,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:45:48,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:45:48,658 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:45:48,658 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:45:48,659 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:45:48,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:45:48,659 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:45:48,660 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:45:48,660 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:45:48,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:45:48,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:45:48,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:45:48,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:45:48,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:45:48,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:45:48,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:45:48,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:45:48,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:45:49,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:45:49,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:45:49,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:45:49,109 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:45:49,110 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:45:49,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-16 03:45:49,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f7bcf6f/1bb2e4f23ba44cd1985fc028cfae282b/FLAG020f31fbb [2022-10-16 03:45:50,008 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:45:50,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-16 03:45:50,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f7bcf6f/1bb2e4f23ba44cd1985fc028cfae282b/FLAG020f31fbb [2022-10-16 03:45:50,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f7bcf6f/1bb2e4f23ba44cd1985fc028cfae282b [2022-10-16 03:45:50,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:45:50,126 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:45:50,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:45:50,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:45:50,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:45:50,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:45:50" (1/1) ... [2022-10-16 03:45:50,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12716384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:50, skipping insertion in model container [2022-10-16 03:45:50,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:45:50" (1/1) ... [2022-10-16 03:45:50,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:45:50,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:45:50,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18857,18870] [2022-10-16 03:45:50,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25957,25970] [2022-10-16 03:45:50,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29482,29495] [2022-10-16 03:45:50,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32880,32893] [2022-10-16 03:45:50,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36938,36951] [2022-10-16 03:45:50,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40412,40425] [2022-10-16 03:45:50,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43977,43990] [2022-10-16 03:45:50,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47412,47425] [2022-10-16 03:45:50,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[51091,51104] [2022-10-16 03:45:50,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54693,54706] [2022-10-16 03:45:50,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58222,58235] [2022-10-16 03:45:50,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:45:50,958 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:45:51,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18857,18870] [2022-10-16 03:45:51,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25957,25970] [2022-10-16 03:45:51,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29482,29495] [2022-10-16 03:45:51,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32880,32893] [2022-10-16 03:45:51,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36938,36951] [2022-10-16 03:45:51,271 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_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40412,40425] [2022-10-16 03:45:51,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43977,43990] [2022-10-16 03:45:51,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47412,47425] [2022-10-16 03:45:51,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[51091,51104] [2022-10-16 03:45:51,328 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54693,54706] [2022-10-16 03:45:51,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58222,58235] [2022-10-16 03:45:51,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:45:51,385 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:45:51,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51 WrapperNode [2022-10-16 03:45:51,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:45:51,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:45:51,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:45:51,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:45:51,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,521 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2770 [2022-10-16 03:45:51,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:45:51,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:45:51,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:45:51,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:45:51,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,642 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:45:51,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:45:51,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:45:51,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:45:51,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (1/1) ... [2022-10-16 03:45:51,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:45:51,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:45:51,706 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 03:45:51,729 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 03:45:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:45:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:45:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:45:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:45:52,007 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:45:52,010 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:45:53,961 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:45:53,985 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:45:53,985 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:45:53,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:45:53 BoogieIcfgContainer [2022-10-16 03:45:53,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:45:53,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:45:53,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:45:53,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:45:53,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:45:50" (1/3) ... [2022-10-16 03:45:53,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b843c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:45:53, skipping insertion in model container [2022-10-16 03:45:53,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:45:51" (2/3) ... [2022-10-16 03:45:53,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b843c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:45:53, skipping insertion in model container [2022-10-16 03:45:53,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:45:53" (3/3) ... [2022-10-16 03:45:54,000 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-16 03:45:54,025 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:45:54,026 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-10-16 03:45:54,106 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:45:54,115 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;@336808b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:45:54,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-10-16 03:45:54,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 571 states, 558 states have (on average 1.7849462365591398) internal successors, (996), 570 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:45:54,132 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:54,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:45:54,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:45:54,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:54,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1001957, now seen corresponding path program 1 times [2022-10-16 03:45:54,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:54,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927664078] [2022-10-16 03:45:54,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:54,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:54,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:54,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927664078] [2022-10-16 03:45:54,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927664078] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:45:54,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:45:54,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:45:54,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290547795] [2022-10-16 03:45:54,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:45:54,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:45:54,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:45:54,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:45:54,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:45:54,645 INFO L87 Difference]: Start difference. First operand has 571 states, 558 states have (on average 1.7849462365591398) internal successors, (996), 570 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:54,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:54,743 INFO L93 Difference]: Finished difference Result 570 states and 984 transitions. [2022-10-16 03:45:54,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:45:54,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 03:45:54,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:54,768 INFO L225 Difference]: With dead ends: 570 [2022-10-16 03:45:54,768 INFO L226 Difference]: Without dead ends: 567 [2022-10-16 03:45:54,772 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 03:45:54,778 INFO L413 NwaCegarLoop]: 983 mSDtfsCounter, 981 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 983 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 03:45:54,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 983 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:45:54,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-10-16 03:45:54,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2022-10-16 03:45:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 556 states have (on average 1.2589928057553956) internal successors, (700), 566 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:54,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 700 transitions. [2022-10-16 03:45:54,899 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 700 transitions. Word has length 4 [2022-10-16 03:45:54,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:54,899 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 700 transitions. [2022-10-16 03:45:54,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 700 transitions. [2022-10-16 03:45:54,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 03:45:54,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:54,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:54,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:45:54,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:45:54,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:54,909 INFO L85 PathProgramCache]: Analyzing trace with hash 646480323, now seen corresponding path program 1 times [2022-10-16 03:45:54,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:54,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843461982] [2022-10-16 03:45:54,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:54,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:55,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:55,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843461982] [2022-10-16 03:45:55,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843461982] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:45:55,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:45:55,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:45:55,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112702826] [2022-10-16 03:45:55,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:45:55,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:45:55,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:45:55,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:45:55,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:45:55,312 INFO L87 Difference]: Start difference. First operand 567 states and 700 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:55,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:55,867 INFO L93 Difference]: Finished difference Result 503 states and 627 transitions. [2022-10-16 03:45:55,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:45:55,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 03:45:55,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:55,872 INFO L225 Difference]: With dead ends: 503 [2022-10-16 03:45:55,872 INFO L226 Difference]: Without dead ends: 503 [2022-10-16 03:45:55,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:45:55,874 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 1786 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:45:55,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 336 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:45:55,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-10-16 03:45:55,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2022-10-16 03:45:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 492 states have (on average 1.274390243902439) internal successors, (627), 502 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:55,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 627 transitions. [2022-10-16 03:45:55,894 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 627 transitions. Word has length 60 [2022-10-16 03:45:55,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:55,895 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 627 transitions. [2022-10-16 03:45:55,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:55,895 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 627 transitions. [2022-10-16 03:45:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 03:45:55,901 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:55,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:55,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:45:55,901 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:45:55,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:55,902 INFO L85 PathProgramCache]: Analyzing trace with hash 221242932, now seen corresponding path program 1 times [2022-10-16 03:45:55,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:55,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106789571] [2022-10-16 03:45:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:55,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:56,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:56,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106789571] [2022-10-16 03:45:56,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106789571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:45:56,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:45:56,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:45:56,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116322836] [2022-10-16 03:45:56,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:45:56,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:45:56,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:45:56,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:45:56,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:45:56,113 INFO L87 Difference]: Start difference. First operand 503 states and 627 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:56,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:56,398 INFO L93 Difference]: Finished difference Result 381 states and 476 transitions. [2022-10-16 03:45:56,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:45:56,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 03:45:56,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:56,401 INFO L225 Difference]: With dead ends: 381 [2022-10-16 03:45:56,402 INFO L226 Difference]: Without dead ends: 381 [2022-10-16 03:45:56,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:45:56,404 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 1366 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:45:56,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 266 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:45:56,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-10-16 03:45:56,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2022-10-16 03:45:56,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 370 states have (on average 1.2864864864864864) internal successors, (476), 380 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 476 transitions. [2022-10-16 03:45:56,416 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 476 transitions. Word has length 60 [2022-10-16 03:45:56,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:56,416 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 476 transitions. [2022-10-16 03:45:56,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 476 transitions. [2022-10-16 03:45:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 03:45:56,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:56,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:56,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:45:56,420 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:45:56,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:56,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2147344789, now seen corresponding path program 1 times [2022-10-16 03:45:56,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:56,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273019973] [2022-10-16 03:45:56,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:56,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:56,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:56,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:56,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273019973] [2022-10-16 03:45:56,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273019973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:45:56,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:45:56,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:45:56,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196818635] [2022-10-16 03:45:56,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:45:56,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:45:56,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:45:56,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:45:56,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:45:56,576 INFO L87 Difference]: Start difference. First operand 381 states and 476 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:56,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:56,906 INFO L93 Difference]: Finished difference Result 509 states and 647 transitions. [2022-10-16 03:45:56,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:45:56,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 03:45:56,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:56,910 INFO L225 Difference]: With dead ends: 509 [2022-10-16 03:45:56,910 INFO L226 Difference]: Without dead ends: 509 [2022-10-16 03:45:56,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:45:56,912 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 1661 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:45:56,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1661 Valid, 371 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:45:56,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-10-16 03:45:56,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 450. [2022-10-16 03:45:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 439 states have (on average 1.3416856492027336) internal successors, (589), 449 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 589 transitions. [2022-10-16 03:45:56,927 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 589 transitions. Word has length 60 [2022-10-16 03:45:56,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:56,927 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 589 transitions. [2022-10-16 03:45:56,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 589 transitions. [2022-10-16 03:45:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 03:45:56,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:56,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:56,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:45:56,930 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:45:56,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:56,931 INFO L85 PathProgramCache]: Analyzing trace with hash 604643521, now seen corresponding path program 1 times [2022-10-16 03:45:56,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:56,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277673171] [2022-10-16 03:45:56,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:56,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:57,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:57,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277673171] [2022-10-16 03:45:57,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277673171] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:45:57,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:45:57,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:45:57,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090284453] [2022-10-16 03:45:57,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:45:57,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:45:57,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:45:57,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:45:57,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:45:57,104 INFO L87 Difference]: Start difference. First operand 450 states and 589 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:57,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:57,284 INFO L93 Difference]: Finished difference Result 357 states and 466 transitions. [2022-10-16 03:45:57,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:45:57,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 03:45:57,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:57,288 INFO L225 Difference]: With dead ends: 357 [2022-10-16 03:45:57,288 INFO L226 Difference]: Without dead ends: 357 [2022-10-16 03:45:57,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:45:57,289 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 902 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:45:57,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 209 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:45:57,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-10-16 03:45:57,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2022-10-16 03:45:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.346820809248555) internal successors, (466), 356 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 466 transitions. [2022-10-16 03:45:57,301 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 466 transitions. Word has length 62 [2022-10-16 03:45:57,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:57,303 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 466 transitions. [2022-10-16 03:45:57,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 466 transitions. [2022-10-16 03:45:57,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:45:57,307 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:57,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:57,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:45:57,309 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:45:57,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:57,309 INFO L85 PathProgramCache]: Analyzing trace with hash -699288056, now seen corresponding path program 1 times [2022-10-16 03:45:57,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:57,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084634136] [2022-10-16 03:45:57,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:57,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:57,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:57,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084634136] [2022-10-16 03:45:57,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084634136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:45:57,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:45:57,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:45:57,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194545551] [2022-10-16 03:45:57,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:45:57,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:45:57,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:45:57,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:45:57,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:45:57,756 INFO L87 Difference]: Start difference. First operand 357 states and 466 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:58,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:58,404 INFO L93 Difference]: Finished difference Result 666 states and 892 transitions. [2022-10-16 03:45:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:45:58,405 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 03:45:58,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:58,409 INFO L225 Difference]: With dead ends: 666 [2022-10-16 03:45:58,409 INFO L226 Difference]: Without dead ends: 666 [2022-10-16 03:45:58,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:45:58,411 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 1624 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:45:58,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1624 Valid, 923 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:45:58,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2022-10-16 03:45:58,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 357. [2022-10-16 03:45:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3439306358381502) internal successors, (465), 356 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 465 transitions. [2022-10-16 03:45:58,427 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 465 transitions. Word has length 64 [2022-10-16 03:45:58,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:58,428 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 465 transitions. [2022-10-16 03:45:58,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 465 transitions. [2022-10-16 03:45:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:45:58,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:58,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:58,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:45:58,430 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:45:58,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:58,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1796013608, now seen corresponding path program 1 times [2022-10-16 03:45:58,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:58,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520038597] [2022-10-16 03:45:58,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:58,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:58,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:58,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520038597] [2022-10-16 03:45:58,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520038597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:45:58,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:45:58,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:45:58,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586571548] [2022-10-16 03:45:58,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:45:58,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:45:58,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:45:58,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:45:58,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:45:58,841 INFO L87 Difference]: Start difference. First operand 357 states and 465 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:59,662 INFO L93 Difference]: Finished difference Result 795 states and 1083 transitions. [2022-10-16 03:45:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:45:59,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 03:45:59,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:59,667 INFO L225 Difference]: With dead ends: 795 [2022-10-16 03:45:59,667 INFO L226 Difference]: Without dead ends: 795 [2022-10-16 03:45:59,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:45:59,669 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 1925 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1925 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:45:59,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1925 Valid, 1070 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:45:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2022-10-16 03:45:59,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 357. [2022-10-16 03:45:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3410404624277457) internal successors, (464), 356 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 464 transitions. [2022-10-16 03:45:59,686 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 464 transitions. Word has length 64 [2022-10-16 03:45:59,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:59,687 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 464 transitions. [2022-10-16 03:45:59,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:59,687 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 464 transitions. [2022-10-16 03:45:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:45:59,688 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:59,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:59,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:45:59,689 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:45:59,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:59,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1577721816, now seen corresponding path program 1 times [2022-10-16 03:45:59,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:59,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746131767] [2022-10-16 03:45:59,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:59,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:00,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:00,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746131767] [2022-10-16 03:46:00,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746131767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:00,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:00,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:46:00,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298291139] [2022-10-16 03:46:00,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:00,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:46:00,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:00,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:46:00,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:46:00,063 INFO L87 Difference]: Start difference. First operand 357 states and 464 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:00,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:00,552 INFO L93 Difference]: Finished difference Result 531 states and 684 transitions. [2022-10-16 03:46:00,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:46:00,553 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 03:46:00,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:00,559 INFO L225 Difference]: With dead ends: 531 [2022-10-16 03:46:00,559 INFO L226 Difference]: Without dead ends: 531 [2022-10-16 03:46:00,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:46:00,560 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 1719 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1719 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:00,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1719 Valid, 673 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:46:00,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2022-10-16 03:46:00,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 357. [2022-10-16 03:46:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3381502890173411) internal successors, (463), 356 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 463 transitions. [2022-10-16 03:46:00,580 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 463 transitions. Word has length 64 [2022-10-16 03:46:00,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:00,581 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 463 transitions. [2022-10-16 03:46:00,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 463 transitions. [2022-10-16 03:46:00,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 03:46:00,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:00,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:00,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:46:00,584 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:00,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:00,585 INFO L85 PathProgramCache]: Analyzing trace with hash -295025225, now seen corresponding path program 1 times [2022-10-16 03:46:00,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:00,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516340006] [2022-10-16 03:46:00,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:00,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:01,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:01,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516340006] [2022-10-16 03:46:01,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516340006] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:01,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:01,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:46:01,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080061953] [2022-10-16 03:46:01,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:01,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:46:01,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:01,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:46:01,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:01,011 INFO L87 Difference]: Start difference. First operand 357 states and 463 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:01,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:01,789 INFO L93 Difference]: Finished difference Result 774 states and 1045 transitions. [2022-10-16 03:46:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:46:01,790 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 03:46:01,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:01,794 INFO L225 Difference]: With dead ends: 774 [2022-10-16 03:46:01,794 INFO L226 Difference]: Without dead ends: 774 [2022-10-16 03:46:01,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:46:01,796 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1908 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:01,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1908 Valid, 985 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:46:01,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-10-16 03:46:01,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 357. [2022-10-16 03:46:01,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3352601156069364) internal successors, (462), 356 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 462 transitions. [2022-10-16 03:46:01,811 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 462 transitions. Word has length 65 [2022-10-16 03:46:01,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:01,812 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 462 transitions. [2022-10-16 03:46:01,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 462 transitions. [2022-10-16 03:46:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 03:46:01,813 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:01,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:01,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:46:01,814 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:01,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:01,815 INFO L85 PathProgramCache]: Analyzing trace with hash -168692467, now seen corresponding path program 1 times [2022-10-16 03:46:01,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:01,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489004555] [2022-10-16 03:46:01,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:01,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:02,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:02,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:02,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489004555] [2022-10-16 03:46:02,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489004555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:02,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:02,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:46:02,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864727208] [2022-10-16 03:46:02,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:02,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:46:02,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:02,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:46:02,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:02,190 INFO L87 Difference]: Start difference. First operand 357 states and 462 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:02,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:02,919 INFO L93 Difference]: Finished difference Result 795 states and 1079 transitions. [2022-10-16 03:46:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:46:02,920 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 03:46:02,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:02,924 INFO L225 Difference]: With dead ends: 795 [2022-10-16 03:46:02,925 INFO L226 Difference]: Without dead ends: 795 [2022-10-16 03:46:02,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:46:02,926 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 1857 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:02,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1857 Valid, 1103 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:46:02,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2022-10-16 03:46:02,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 357. [2022-10-16 03:46:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.329479768786127) internal successors, (460), 356 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 460 transitions. [2022-10-16 03:46:02,941 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 460 transitions. Word has length 66 [2022-10-16 03:46:02,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:02,941 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 460 transitions. [2022-10-16 03:46:02,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 460 transitions. [2022-10-16 03:46:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 03:46:02,943 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:02,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:02,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:46:02,944 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:02,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:02,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1424145869, now seen corresponding path program 1 times [2022-10-16 03:46:02,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:02,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537416079] [2022-10-16 03:46:02,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:02,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:03,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:03,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:03,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537416079] [2022-10-16 03:46:03,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537416079] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:03,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:03,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:46:03,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514950893] [2022-10-16 03:46:03,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:03,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:46:03,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:03,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:46:03,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:03,267 INFO L87 Difference]: Start difference. First operand 357 states and 460 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:03,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:03,897 INFO L93 Difference]: Finished difference Result 774 states and 1041 transitions. [2022-10-16 03:46:03,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:46:03,898 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 03:46:03,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:03,902 INFO L225 Difference]: With dead ends: 774 [2022-10-16 03:46:03,902 INFO L226 Difference]: Without dead ends: 774 [2022-10-16 03:46:03,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:46:03,904 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 1393 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:03,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 1061 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:46:03,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-10-16 03:46:03,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 357. [2022-10-16 03:46:03,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.323699421965318) internal successors, (458), 356 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 458 transitions. [2022-10-16 03:46:03,943 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 458 transitions. Word has length 66 [2022-10-16 03:46:03,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:03,943 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 458 transitions. [2022-10-16 03:46:03,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 458 transitions. [2022-10-16 03:46:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 03:46:03,945 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:03,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:03,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:46:03,946 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:03,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:03,946 INFO L85 PathProgramCache]: Analyzing trace with hash -155488627, now seen corresponding path program 1 times [2022-10-16 03:46:03,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:03,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693116810] [2022-10-16 03:46:03,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:03,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:04,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:04,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693116810] [2022-10-16 03:46:04,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693116810] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:04,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:04,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:46:04,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349198070] [2022-10-16 03:46:04,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:04,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:46:04,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:04,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:46:04,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:04,256 INFO L87 Difference]: Start difference. First operand 357 states and 458 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:04,748 INFO L93 Difference]: Finished difference Result 524 states and 700 transitions. [2022-10-16 03:46:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 03:46:04,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 03:46:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:04,751 INFO L225 Difference]: With dead ends: 524 [2022-10-16 03:46:04,751 INFO L226 Difference]: Without dead ends: 524 [2022-10-16 03:46:04,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:46:04,752 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 883 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:04,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 909 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:46:04,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2022-10-16 03:46:04,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 357. [2022-10-16 03:46:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3179190751445087) internal successors, (456), 356 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 456 transitions. [2022-10-16 03:46:04,766 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 456 transitions. Word has length 66 [2022-10-16 03:46:04,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:04,767 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 456 transitions. [2022-10-16 03:46:04,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 456 transitions. [2022-10-16 03:46:04,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 03:46:04,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:04,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:04,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:46:04,769 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:04,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:04,769 INFO L85 PathProgramCache]: Analyzing trace with hash -131812051, now seen corresponding path program 1 times [2022-10-16 03:46:04,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:04,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551110877] [2022-10-16 03:46:04,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:04,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:05,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:05,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551110877] [2022-10-16 03:46:05,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551110877] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:05,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:05,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:46:05,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704075280] [2022-10-16 03:46:05,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:05,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:46:05,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:05,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:46:05,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:05,069 INFO L87 Difference]: Start difference. First operand 357 states and 456 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:05,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:05,670 INFO L93 Difference]: Finished difference Result 774 states and 1038 transitions. [2022-10-16 03:46:05,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:46:05,671 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 03:46:05,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:05,675 INFO L225 Difference]: With dead ends: 774 [2022-10-16 03:46:05,675 INFO L226 Difference]: Without dead ends: 774 [2022-10-16 03:46:05,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:46:05,676 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 1373 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:05,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1373 Valid, 1072 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:46:05,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-10-16 03:46:05,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 357. [2022-10-16 03:46:05,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3150289017341041) internal successors, (455), 356 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:05,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 455 transitions. [2022-10-16 03:46:05,691 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 455 transitions. Word has length 66 [2022-10-16 03:46:05,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:05,691 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 455 transitions. [2022-10-16 03:46:05,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 455 transitions. [2022-10-16 03:46:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 03:46:05,693 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:05,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:05,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:46:05,693 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:05,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:05,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2058619373, now seen corresponding path program 1 times [2022-10-16 03:46:05,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:05,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520567088] [2022-10-16 03:46:05,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:05,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:05,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:05,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:05,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520567088] [2022-10-16 03:46:05,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520567088] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:05,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:05,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:46:05,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796746747] [2022-10-16 03:46:05,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:05,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:46:05,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:05,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:46:05,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:05,967 INFO L87 Difference]: Start difference. First operand 357 states and 455 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:06,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:06,629 INFO L93 Difference]: Finished difference Result 795 states and 1071 transitions. [2022-10-16 03:46:06,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:46:06,630 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 03:46:06,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:06,634 INFO L225 Difference]: With dead ends: 795 [2022-10-16 03:46:06,634 INFO L226 Difference]: Without dead ends: 795 [2022-10-16 03:46:06,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:46:06,635 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 1664 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:06,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1664 Valid, 1297 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:46:06,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2022-10-16 03:46:06,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 357. [2022-10-16 03:46:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3121387283236994) internal successors, (454), 356 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 454 transitions. [2022-10-16 03:46:06,679 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 454 transitions. Word has length 66 [2022-10-16 03:46:06,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:06,679 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 454 transitions. [2022-10-16 03:46:06,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:06,680 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 454 transitions. [2022-10-16 03:46:06,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 03:46:06,681 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:06,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:06,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:46:06,681 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:06,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:06,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1833305997, now seen corresponding path program 1 times [2022-10-16 03:46:06,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:06,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338123205] [2022-10-16 03:46:06,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:06,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:06,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338123205] [2022-10-16 03:46:06,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338123205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:06,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:06,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:46:06,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183816146] [2022-10-16 03:46:06,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:06,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:46:06,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:06,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:46:06,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:06,951 INFO L87 Difference]: Start difference. First operand 357 states and 454 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:07,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:07,547 INFO L93 Difference]: Finished difference Result 774 states and 1035 transitions. [2022-10-16 03:46:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:46:07,547 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 03:46:07,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:07,551 INFO L225 Difference]: With dead ends: 774 [2022-10-16 03:46:07,552 INFO L226 Difference]: Without dead ends: 774 [2022-10-16 03:46:07,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:46:07,553 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 1664 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:07,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1664 Valid, 1201 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:46:07,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-10-16 03:46:07,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 357. [2022-10-16 03:46:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3092485549132948) internal successors, (453), 356 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 453 transitions. [2022-10-16 03:46:07,567 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 453 transitions. Word has length 66 [2022-10-16 03:46:07,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:07,567 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 453 transitions. [2022-10-16 03:46:07,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:07,568 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 453 transitions. [2022-10-16 03:46:07,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 03:46:07,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:07,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:07,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:46:07,570 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:07,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:07,570 INFO L85 PathProgramCache]: Analyzing trace with hash 817551922, now seen corresponding path program 1 times [2022-10-16 03:46:07,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:07,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029235139] [2022-10-16 03:46:07,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:07,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:08,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:08,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029235139] [2022-10-16 03:46:08,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029235139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:08,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:08,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:46:08,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245301367] [2022-10-16 03:46:08,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:08,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:46:08,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:08,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:46:08,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:46:08,366 INFO L87 Difference]: Start difference. First operand 357 states and 453 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:09,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:09,172 INFO L93 Difference]: Finished difference Result 578 states and 745 transitions. [2022-10-16 03:46:09,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:46:09,173 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 03:46:09,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:09,176 INFO L225 Difference]: With dead ends: 578 [2022-10-16 03:46:09,176 INFO L226 Difference]: Without dead ends: 578 [2022-10-16 03:46:09,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:46:09,178 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 1502 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:09,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 1889 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:46:09,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-10-16 03:46:09,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 336. [2022-10-16 03:46:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 326 states have (on average 1.3067484662576687) internal successors, (426), 335 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 426 transitions. [2022-10-16 03:46:09,192 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 426 transitions. Word has length 67 [2022-10-16 03:46:09,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:09,192 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 426 transitions. [2022-10-16 03:46:09,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 426 transitions. [2022-10-16 03:46:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 03:46:09,193 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:09,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:09,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:46:09,194 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:09,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:09,195 INFO L85 PathProgramCache]: Analyzing trace with hash 167509874, now seen corresponding path program 1 times [2022-10-16 03:46:09,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:09,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990343091] [2022-10-16 03:46:09,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:09,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:09,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:09,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990343091] [2022-10-16 03:46:09,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990343091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:09,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:09,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:46:09,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335060864] [2022-10-16 03:46:09,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:09,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 03:46:09,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:09,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 03:46:09,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:46:09,967 INFO L87 Difference]: Start difference. First operand 336 states and 426 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:10,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:10,760 INFO L93 Difference]: Finished difference Result 677 states and 904 transitions. [2022-10-16 03:46:10,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:46:10,761 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 03:46:10,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:10,764 INFO L225 Difference]: With dead ends: 677 [2022-10-16 03:46:10,765 INFO L226 Difference]: Without dead ends: 677 [2022-10-16 03:46:10,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:46:10,767 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 1172 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1172 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:10,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1172 Valid, 1806 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:46:10,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-10-16 03:46:10,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 266. [2022-10-16 03:46:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 260 states have (on average 1.3153846153846154) internal successors, (342), 265 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:10,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 342 transitions. [2022-10-16 03:46:10,782 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 342 transitions. Word has length 67 [2022-10-16 03:46:10,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:10,783 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 342 transitions. [2022-10-16 03:46:10,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 342 transitions. [2022-10-16 03:46:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 03:46:10,788 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:10,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:10,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:46:10,789 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:10,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:10,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1968382194, now seen corresponding path program 1 times [2022-10-16 03:46:10,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:10,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746664702] [2022-10-16 03:46:10,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:10,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:12,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:12,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746664702] [2022-10-16 03:46:12,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746664702] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:12,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:12,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-10-16 03:46:12,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476943815] [2022-10-16 03:46:12,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:12,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 03:46:12,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:12,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 03:46:12,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:46:12,629 INFO L87 Difference]: Start difference. First operand 266 states and 342 transitions. Second operand has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:14,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:14,733 INFO L93 Difference]: Finished difference Result 306 states and 386 transitions. [2022-10-16 03:46:14,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 03:46:14,734 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 03:46:14,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:14,736 INFO L225 Difference]: With dead ends: 306 [2022-10-16 03:46:14,736 INFO L226 Difference]: Without dead ends: 306 [2022-10-16 03:46:14,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=246, Invalid=1236, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 03:46:14,738 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 485 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:14,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 2419 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:46:14,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-10-16 03:46:14,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 277. [2022-10-16 03:46:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 271 states have (on average 1.3210332103321034) internal successors, (358), 276 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 358 transitions. [2022-10-16 03:46:14,746 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 358 transitions. Word has length 68 [2022-10-16 03:46:14,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:14,746 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 358 transitions. [2022-10-16 03:46:14,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:14,747 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 358 transitions. [2022-10-16 03:46:14,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 03:46:14,747 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:14,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:14,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:46:14,748 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:14,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:14,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1424994738, now seen corresponding path program 1 times [2022-10-16 03:46:14,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:14,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689574370] [2022-10-16 03:46:14,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:14,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:16,104 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 03:46:16,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:16,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689574370] [2022-10-16 03:46:16,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689574370] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:16,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:16,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-10-16 03:46:16,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341468946] [2022-10-16 03:46:16,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:16,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 03:46:16,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:16,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 03:46:16,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:46:16,108 INFO L87 Difference]: Start difference. First operand 277 states and 358 transitions. Second operand has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:18,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:18,226 INFO L93 Difference]: Finished difference Result 301 states and 383 transitions. [2022-10-16 03:46:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 03:46:18,227 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 03:46:18,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:18,230 INFO L225 Difference]: With dead ends: 301 [2022-10-16 03:46:18,230 INFO L226 Difference]: Without dead ends: 301 [2022-10-16 03:46:18,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=243, Invalid=1239, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 03:46:18,232 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 482 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 2424 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:18,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 2424 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:46:18,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-10-16 03:46:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 287. [2022-10-16 03:46:18,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.3167259786476868) internal successors, (370), 286 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:18,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 370 transitions. [2022-10-16 03:46:18,241 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 370 transitions. Word has length 68 [2022-10-16 03:46:18,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:18,242 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 370 transitions. [2022-10-16 03:46:18,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:18,242 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 370 transitions. [2022-10-16 03:46:18,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 03:46:18,243 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:18,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:18,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:46:18,243 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:18,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:18,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1394723840, now seen corresponding path program 1 times [2022-10-16 03:46:18,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:18,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985880820] [2022-10-16 03:46:18,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:18,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:18,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:18,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985880820] [2022-10-16 03:46:18,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985880820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:18,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:18,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:46:18,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064241200] [2022-10-16 03:46:18,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:18,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 03:46:18,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:18,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 03:46:18,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:46:18,765 INFO L87 Difference]: Start difference. First operand 287 states and 370 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:19,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:19,299 INFO L93 Difference]: Finished difference Result 693 states and 938 transitions. [2022-10-16 03:46:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 03:46:19,299 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 03:46:19,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:19,304 INFO L225 Difference]: With dead ends: 693 [2022-10-16 03:46:19,304 INFO L226 Difference]: Without dead ends: 693 [2022-10-16 03:46:19,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2022-10-16 03:46:19,306 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 935 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:19,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [935 Valid, 1792 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:46:19,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2022-10-16 03:46:19,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 253. [2022-10-16 03:46:19,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 249 states have (on average 1.2971887550200802) internal successors, (323), 252 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 323 transitions. [2022-10-16 03:46:19,323 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 323 transitions. Word has length 69 [2022-10-16 03:46:19,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:19,323 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 323 transitions. [2022-10-16 03:46:19,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:19,324 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 323 transitions. [2022-10-16 03:46:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 03:46:19,325 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:19,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:19,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:46:19,326 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:19,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:19,326 INFO L85 PathProgramCache]: Analyzing trace with hash 308538022, now seen corresponding path program 1 times [2022-10-16 03:46:19,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:19,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918098051] [2022-10-16 03:46:19,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:19,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:19,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:19,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:19,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918098051] [2022-10-16 03:46:19,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918098051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:19,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:19,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:46:19,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844356281] [2022-10-16 03:46:19,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:19,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:46:19,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:19,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:46:19,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:46:19,998 INFO L87 Difference]: Start difference. First operand 253 states and 323 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:20,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:20,914 INFO L93 Difference]: Finished difference Result 685 states and 913 transitions. [2022-10-16 03:46:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:46:20,914 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 03:46:20,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:20,918 INFO L225 Difference]: With dead ends: 685 [2022-10-16 03:46:20,918 INFO L226 Difference]: Without dead ends: 685 [2022-10-16 03:46:20,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:46:20,919 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1299 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:20,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 1328 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:46:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2022-10-16 03:46:20,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 248. [2022-10-16 03:46:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 245 states have (on average 1.2979591836734694) internal successors, (318), 247 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 318 transitions. [2022-10-16 03:46:20,931 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 318 transitions. Word has length 69 [2022-10-16 03:46:20,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:20,931 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 318 transitions. [2022-10-16 03:46:20,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 318 transitions. [2022-10-16 03:46:20,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 03:46:20,932 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:20,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:20,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:46:20,933 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:20,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:20,933 INFO L85 PathProgramCache]: Analyzing trace with hash -957086542, now seen corresponding path program 1 times [2022-10-16 03:46:20,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:20,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326965185] [2022-10-16 03:46:20,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:20,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:21,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:21,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326965185] [2022-10-16 03:46:21,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326965185] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:21,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:21,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:46:21,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473419178] [2022-10-16 03:46:21,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:21,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:46:21,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:21,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:46:21,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:21,209 INFO L87 Difference]: Start difference. First operand 248 states and 318 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:21,619 INFO L93 Difference]: Finished difference Result 408 states and 535 transitions. [2022-10-16 03:46:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 03:46:21,620 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 03:46:21,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:21,622 INFO L225 Difference]: With dead ends: 408 [2022-10-16 03:46:21,623 INFO L226 Difference]: Without dead ends: 408 [2022-10-16 03:46:21,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-10-16 03:46:21,624 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 860 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:21,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 604 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:46:21,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-10-16 03:46:21,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 248. [2022-10-16 03:46:21,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 245 states have (on average 1.2897959183673469) internal successors, (316), 247 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 03:46:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 316 transitions. [2022-10-16 03:46:21,633 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 316 transitions. Word has length 70 [2022-10-16 03:46:21,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:21,633 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 316 transitions. [2022-10-16 03:46:21,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:21,634 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 316 transitions. [2022-10-16 03:46:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 03:46:21,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:21,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:21,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:46:21,635 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:21,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:21,636 INFO L85 PathProgramCache]: Analyzing trace with hash -776449806, now seen corresponding path program 1 times [2022-10-16 03:46:21,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:21,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746569359] [2022-10-16 03:46:21,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:21,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:21,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:21,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746569359] [2022-10-16 03:46:21,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746569359] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:21,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:21,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:46:21,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058592619] [2022-10-16 03:46:21,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:21,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:46:21,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:21,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:46:21,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:21,936 INFO L87 Difference]: Start difference. First operand 248 states and 316 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:22,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:22,350 INFO L93 Difference]: Finished difference Result 410 states and 533 transitions. [2022-10-16 03:46:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 03:46:22,351 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 03:46:22,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:22,353 INFO L225 Difference]: With dead ends: 410 [2022-10-16 03:46:22,354 INFO L226 Difference]: Without dead ends: 410 [2022-10-16 03:46:22,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:46:22,355 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 586 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:22,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 739 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:46:22,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-10-16 03:46:22,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 248. [2022-10-16 03:46:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 245 states have (on average 1.2816326530612245) internal successors, (314), 247 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 03:46:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 314 transitions. [2022-10-16 03:46:22,364 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 314 transitions. Word has length 70 [2022-10-16 03:46:22,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:22,365 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 314 transitions. [2022-10-16 03:46:22,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:22,365 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 314 transitions. [2022-10-16 03:46:22,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 03:46:22,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:22,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:22,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:46:22,367 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:22,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:22,367 INFO L85 PathProgramCache]: Analyzing trace with hash -918116841, now seen corresponding path program 1 times [2022-10-16 03:46:22,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:22,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441845749] [2022-10-16 03:46:22,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:23,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:23,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441845749] [2022-10-16 03:46:23,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441845749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:23,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:23,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-16 03:46:23,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582477295] [2022-10-16 03:46:23,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:23,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 03:46:23,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:23,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 03:46:23,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:46:23,839 INFO L87 Difference]: Start difference. First operand 248 states and 314 transitions. Second operand has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:26,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:26,126 INFO L93 Difference]: Finished difference Result 844 states and 1172 transitions. [2022-10-16 03:46:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-16 03:46:26,126 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 03:46:26,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:26,133 INFO L225 Difference]: With dead ends: 844 [2022-10-16 03:46:26,133 INFO L226 Difference]: Without dead ends: 844 [2022-10-16 03:46:26,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=299, Invalid=1423, Unknown=0, NotChecked=0, Total=1722 [2022-10-16 03:46:26,136 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 1097 mSDsluCounter, 2835 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 3054 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:26,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 3054 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:46:26,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2022-10-16 03:46:26,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 261. [2022-10-16 03:46:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 258 states have (on average 1.2790697674418605) internal successors, (330), 260 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 330 transitions. [2022-10-16 03:46:26,150 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 330 transitions. Word has length 72 [2022-10-16 03:46:26,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:26,150 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 330 transitions. [2022-10-16 03:46:26,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:26,151 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 330 transitions. [2022-10-16 03:46:26,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 03:46:26,151 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:26,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:26,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:46:26,152 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:26,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:26,153 INFO L85 PathProgramCache]: Analyzing trace with hash 370177890, now seen corresponding path program 1 times [2022-10-16 03:46:26,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:26,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194284149] [2022-10-16 03:46:26,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:26,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:27,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:27,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:27,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194284149] [2022-10-16 03:46:27,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194284149] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:27,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:27,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-16 03:46:27,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773830625] [2022-10-16 03:46:27,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:27,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 03:46:27,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:27,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 03:46:27,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2022-10-16 03:46:27,322 INFO L87 Difference]: Start difference. First operand 261 states and 330 transitions. Second operand has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:30,259 INFO L93 Difference]: Finished difference Result 1219 states and 1706 transitions. [2022-10-16 03:46:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 03:46:30,259 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 03:46:30,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:30,265 INFO L225 Difference]: With dead ends: 1219 [2022-10-16 03:46:30,265 INFO L226 Difference]: Without dead ends: 1219 [2022-10-16 03:46:30,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2022-10-16 03:46:30,266 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 1845 mSDsluCounter, 3298 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 3678 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:30,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 3678 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:46:30,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2022-10-16 03:46:30,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 248. [2022-10-16 03:46:30,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 245 states have (on average 1.2775510204081633) internal successors, (313), 247 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 03:46:30,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 313 transitions. [2022-10-16 03:46:30,282 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 313 transitions. Word has length 73 [2022-10-16 03:46:30,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:30,283 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 313 transitions. [2022-10-16 03:46:30,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 313 transitions. [2022-10-16 03:46:30,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 03:46:30,284 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:30,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:30,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:46:30,284 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:30,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:30,285 INFO L85 PathProgramCache]: Analyzing trace with hash 2116165432, now seen corresponding path program 1 times [2022-10-16 03:46:30,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:30,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466013553] [2022-10-16 03:46:30,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:30,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:31,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:31,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466013553] [2022-10-16 03:46:31,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466013553] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:31,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:31,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-10-16 03:46:31,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006167175] [2022-10-16 03:46:31,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:31,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 03:46:31,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:31,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 03:46:31,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2022-10-16 03:46:31,285 INFO L87 Difference]: Start difference. First operand 248 states and 313 transitions. Second operand has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:32,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:32,283 INFO L93 Difference]: Finished difference Result 250 states and 313 transitions. [2022-10-16 03:46:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 03:46:32,284 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 03:46:32,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:32,285 INFO L225 Difference]: With dead ends: 250 [2022-10-16 03:46:32,285 INFO L226 Difference]: Without dead ends: 250 [2022-10-16 03:46:32,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=702, Unknown=0, NotChecked=0, Total=870 [2022-10-16 03:46:32,287 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 560 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:32,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1570 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:46:32,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-10-16 03:46:32,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 239. [2022-10-16 03:46:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 236 states have (on average 1.2796610169491525) internal successors, (302), 238 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 302 transitions. [2022-10-16 03:46:32,300 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 302 transitions. Word has length 73 [2022-10-16 03:46:32,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:32,301 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 302 transitions. [2022-10-16 03:46:32,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 302 transitions. [2022-10-16 03:46:32,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 03:46:32,303 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:32,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:32,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:46:32,303 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:32,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:32,304 INFO L85 PathProgramCache]: Analyzing trace with hash 581450123, now seen corresponding path program 1 times [2022-10-16 03:46:32,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:32,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367532981] [2022-10-16 03:46:32,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:32,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:32,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:32,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:32,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367532981] [2022-10-16 03:46:32,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367532981] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:32,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:32,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:46:32,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55382405] [2022-10-16 03:46:32,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:32,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:46:32,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:32,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:46:32,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:46:32,891 INFO L87 Difference]: Start difference. First operand 239 states and 302 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:33,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:33,414 INFO L93 Difference]: Finished difference Result 375 states and 494 transitions. [2022-10-16 03:46:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:46:33,414 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 03:46:33,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:33,417 INFO L225 Difference]: With dead ends: 375 [2022-10-16 03:46:33,417 INFO L226 Difference]: Without dead ends: 375 [2022-10-16 03:46:33,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:46:33,418 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 628 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:33,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1673 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:46:33,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-10-16 03:46:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 219. [2022-10-16 03:46:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 217 states have (on average 1.2903225806451613) internal successors, (280), 218 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 280 transitions. [2022-10-16 03:46:33,428 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 280 transitions. Word has length 73 [2022-10-16 03:46:33,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:33,428 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 280 transitions. [2022-10-16 03:46:33,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 280 transitions. [2022-10-16 03:46:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 03:46:33,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:33,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:33,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:46:33,430 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:33,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:33,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1832673344, now seen corresponding path program 1 times [2022-10-16 03:46:33,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:33,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760740739] [2022-10-16 03:46:33,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:33,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:34,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:34,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760740739] [2022-10-16 03:46:34,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760740739] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:34,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:34,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:46:34,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411262497] [2022-10-16 03:46:34,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:34,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:46:34,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:34,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:46:34,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:46:34,039 INFO L87 Difference]: Start difference. First operand 219 states and 280 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:34,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:34,876 INFO L93 Difference]: Finished difference Result 593 states and 814 transitions. [2022-10-16 03:46:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:46:34,883 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 03:46:34,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:34,886 INFO L225 Difference]: With dead ends: 593 [2022-10-16 03:46:34,886 INFO L226 Difference]: Without dead ends: 593 [2022-10-16 03:46:34,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:46:34,887 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 908 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:34,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [908 Valid, 1981 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:46:34,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2022-10-16 03:46:34,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 213. [2022-10-16 03:46:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.2924528301886793) internal successors, (274), 212 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:34,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2022-10-16 03:46:34,897 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 73 [2022-10-16 03:46:34,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:34,898 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2022-10-16 03:46:34,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2022-10-16 03:46:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:46:34,899 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:34,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:34,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:46:34,900 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:34,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:34,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1364481581, now seen corresponding path program 1 times [2022-10-16 03:46:34,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:34,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907319056] [2022-10-16 03:46:34,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:34,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:35,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:35,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907319056] [2022-10-16 03:46:35,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907319056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:35,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:35,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:46:35,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007986057] [2022-10-16 03:46:35,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:35,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:46:35,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:35,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:46:35,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:46:35,039 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:35,148 INFO L93 Difference]: Finished difference Result 955 states and 1364 transitions. [2022-10-16 03:46:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:46:35,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 03:46:35,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:35,153 INFO L225 Difference]: With dead ends: 955 [2022-10-16 03:46:35,154 INFO L226 Difference]: Without dead ends: 955 [2022-10-16 03:46:35,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:46:35,155 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 906 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:35,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 955 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:46:35,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2022-10-16 03:46:35,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 317. [2022-10-16 03:46:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 316 states have (on average 1.3512658227848102) internal successors, (427), 316 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 427 transitions. [2022-10-16 03:46:35,169 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 427 transitions. Word has length 96 [2022-10-16 03:46:35,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:35,170 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 427 transitions. [2022-10-16 03:46:35,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 427 transitions. [2022-10-16 03:46:35,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:46:35,171 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:35,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:35,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:46:35,172 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:35,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:35,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1426852022, now seen corresponding path program 1 times [2022-10-16 03:46:35,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:35,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935284632] [2022-10-16 03:46:35,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:35,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:35,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:35,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935284632] [2022-10-16 03:46:35,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935284632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:35,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:35,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:46:35,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928117137] [2022-10-16 03:46:35,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:35,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:46:35,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:35,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:46:35,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:46:35,316 INFO L87 Difference]: Start difference. First operand 317 states and 427 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:35,396 INFO L93 Difference]: Finished difference Result 1053 states and 1512 transitions. [2022-10-16 03:46:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:46:35,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:46:35,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:35,401 INFO L225 Difference]: With dead ends: 1053 [2022-10-16 03:46:35,402 INFO L226 Difference]: Without dead ends: 1053 [2022-10-16 03:46:35,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:35,403 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 655 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:35,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 681 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:46:35,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2022-10-16 03:46:35,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 525. [2022-10-16 03:46:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.4026717557251909) internal successors, (735), 524 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 735 transitions. [2022-10-16 03:46:35,419 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 735 transitions. Word has length 98 [2022-10-16 03:46:35,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:35,420 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 735 transitions. [2022-10-16 03:46:35,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,420 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 735 transitions. [2022-10-16 03:46:35,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:46:35,421 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:35,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:35,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:46:35,422 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:35,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:35,422 INFO L85 PathProgramCache]: Analyzing trace with hash 645902315, now seen corresponding path program 1 times [2022-10-16 03:46:35,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:35,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911093341] [2022-10-16 03:46:35,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:35,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:35,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:35,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911093341] [2022-10-16 03:46:35,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911093341] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:35,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:35,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:46:35,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262445588] [2022-10-16 03:46:35,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:35,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:46:35,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:35,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:46:35,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:46:35,669 INFO L87 Difference]: Start difference. First operand 525 states and 735 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:35,758 INFO L93 Difference]: Finished difference Result 527 states and 732 transitions. [2022-10-16 03:46:35,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:46:35,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:46:35,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:35,761 INFO L225 Difference]: With dead ends: 527 [2022-10-16 03:46:35,761 INFO L226 Difference]: Without dead ends: 527 [2022-10-16 03:46:35,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:46:35,762 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 369 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:35,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 384 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:46:35,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-10-16 03:46:35,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 525. [2022-10-16 03:46:35,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.3950381679389312) internal successors, (731), 524 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 731 transitions. [2022-10-16 03:46:35,774 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 731 transitions. Word has length 98 [2022-10-16 03:46:35,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:35,774 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 731 transitions. [2022-10-16 03:46:35,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 731 transitions. [2022-10-16 03:46:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:46:35,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:35,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:35,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:46:35,776 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:35,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:35,777 INFO L85 PathProgramCache]: Analyzing trace with hash 579408803, now seen corresponding path program 1 times [2022-10-16 03:46:35,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:35,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643577269] [2022-10-16 03:46:35,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:35,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:35,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:35,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643577269] [2022-10-16 03:46:35,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643577269] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:35,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:35,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:46:35,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691672709] [2022-10-16 03:46:35,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:35,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:46:35,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:35,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:46:35,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:46:35,840 INFO L87 Difference]: Start difference. First operand 525 states and 731 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:35,861 INFO L93 Difference]: Finished difference Result 891 states and 1242 transitions. [2022-10-16 03:46:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:46:35,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:46:35,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:35,865 INFO L225 Difference]: With dead ends: 891 [2022-10-16 03:46:35,866 INFO L226 Difference]: Without dead ends: 891 [2022-10-16 03:46:35,866 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 03:46:35,867 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 67 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:35,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 374 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:46:35,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2022-10-16 03:46:35,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 889. [2022-10-16 03:46:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 888 states have (on average 1.3975225225225225) internal successors, (1241), 888 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1241 transitions. [2022-10-16 03:46:35,886 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1241 transitions. Word has length 98 [2022-10-16 03:46:35,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:35,886 INFO L495 AbstractCegarLoop]: Abstraction has 889 states and 1241 transitions. [2022-10-16 03:46:35,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1241 transitions. [2022-10-16 03:46:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:46:35,888 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:35,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:35,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:46:35,889 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:35,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:35,889 INFO L85 PathProgramCache]: Analyzing trace with hash 628880202, now seen corresponding path program 1 times [2022-10-16 03:46:35,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:35,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93306891] [2022-10-16 03:46:35,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:35,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:36,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:36,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93306891] [2022-10-16 03:46:36,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93306891] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:36,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:36,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:46:36,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391798670] [2022-10-16 03:46:36,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:36,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:46:36,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:36,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:46:36,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:46:36,034 INFO L87 Difference]: Start difference. First operand 889 states and 1241 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:36,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:36,123 INFO L93 Difference]: Finished difference Result 2263 states and 3213 transitions. [2022-10-16 03:46:36,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:46:36,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:46:36,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:36,135 INFO L225 Difference]: With dead ends: 2263 [2022-10-16 03:46:36,135 INFO L226 Difference]: Without dead ends: 2263 [2022-10-16 03:46:36,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:36,136 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 623 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:36,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 684 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:46:36,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2022-10-16 03:46:36,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1475. [2022-10-16 03:46:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1474 states have (on average 1.4118046132971507) internal successors, (2081), 1474 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:36,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2081 transitions. [2022-10-16 03:46:36,188 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2081 transitions. Word has length 98 [2022-10-16 03:46:36,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:36,189 INFO L495 AbstractCegarLoop]: Abstraction has 1475 states and 2081 transitions. [2022-10-16 03:46:36,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:36,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2081 transitions. [2022-10-16 03:46:36,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:46:36,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:36,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:36,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:46:36,191 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:36,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:36,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1790937782, now seen corresponding path program 1 times [2022-10-16 03:46:36,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:36,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959580063] [2022-10-16 03:46:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:36,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:36,345 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 03:46:36,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:36,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959580063] [2022-10-16 03:46:36,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959580063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:36,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:36,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:46:36,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771440772] [2022-10-16 03:46:36,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:36,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:46:36,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:36,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:46:36,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:46:36,347 INFO L87 Difference]: Start difference. First operand 1475 states and 2081 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:36,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:36,444 INFO L93 Difference]: Finished difference Result 2653 states and 3773 transitions. [2022-10-16 03:46:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:46:36,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:46:36,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:36,457 INFO L225 Difference]: With dead ends: 2653 [2022-10-16 03:46:36,457 INFO L226 Difference]: Without dead ends: 2653 [2022-10-16 03:46:36,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:36,459 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 590 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:36,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 759 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:46:36,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2022-10-16 03:46:36,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 1865. [2022-10-16 03:46:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1865 states, 1864 states have (on average 1.4168454935622317) internal successors, (2641), 1864 states have internal predecessors, (2641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2641 transitions. [2022-10-16 03:46:36,509 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2641 transitions. Word has length 98 [2022-10-16 03:46:36,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:36,509 INFO L495 AbstractCegarLoop]: Abstraction has 1865 states and 2641 transitions. [2022-10-16 03:46:36,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:36,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2641 transitions. [2022-10-16 03:46:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:46:36,511 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:36,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:36,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:46:36,512 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:36,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:36,513 INFO L85 PathProgramCache]: Analyzing trace with hash -686393014, now seen corresponding path program 1 times [2022-10-16 03:46:36,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:36,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389529950] [2022-10-16 03:46:36,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:36,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:36,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:36,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389529950] [2022-10-16 03:46:36,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389529950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:36,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:36,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:46:36,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104790869] [2022-10-16 03:46:36,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:36,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:46:36,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:36,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:46:36,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:46:36,661 INFO L87 Difference]: Start difference. First operand 1865 states and 2641 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:36,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:36,758 INFO L93 Difference]: Finished difference Result 3043 states and 4333 transitions. [2022-10-16 03:46:36,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:46:36,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:46:36,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:36,785 INFO L225 Difference]: With dead ends: 3043 [2022-10-16 03:46:36,785 INFO L226 Difference]: Without dead ends: 3043 [2022-10-16 03:46:36,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:36,786 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 649 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:36,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 773 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:46:36,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2022-10-16 03:46:36,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 2255. [2022-10-16 03:46:36,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 2254 states have (on average 1.4201419698314108) internal successors, (3201), 2254 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 3201 transitions. [2022-10-16 03:46:36,852 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 3201 transitions. Word has length 98 [2022-10-16 03:46:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:36,853 INFO L495 AbstractCegarLoop]: Abstraction has 2255 states and 3201 transitions. [2022-10-16 03:46:36,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 3201 transitions. [2022-10-16 03:46:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:46:36,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:36,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:36,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 03:46:36,856 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:36,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:36,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1897778033, now seen corresponding path program 1 times [2022-10-16 03:46:36,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:36,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126850800] [2022-10-16 03:46:36,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:36,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:36,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:36,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126850800] [2022-10-16 03:46:36,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126850800] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:36,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:36,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:46:36,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262165785] [2022-10-16 03:46:36,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:36,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:46:36,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:36,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:46:36,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:46:36,999 INFO L87 Difference]: Start difference. First operand 2255 states and 3201 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:37,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:37,023 INFO L93 Difference]: Finished difference Result 3567 states and 5008 transitions. [2022-10-16 03:46:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:46:37,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:46:37,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:37,032 INFO L225 Difference]: With dead ends: 3567 [2022-10-16 03:46:37,032 INFO L226 Difference]: Without dead ends: 3567 [2022-10-16 03:46:37,033 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 03:46:37,033 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 78 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:37,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 345 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:46:37,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3567 states. [2022-10-16 03:46:37,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3567 to 3389. [2022-10-16 03:46:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 3388 states have (on average 1.406434474616293) internal successors, (4765), 3388 states have internal predecessors, (4765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:37,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4765 transitions. [2022-10-16 03:46:37,093 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4765 transitions. Word has length 99 [2022-10-16 03:46:37,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:37,093 INFO L495 AbstractCegarLoop]: Abstraction has 3389 states and 4765 transitions. [2022-10-16 03:46:37,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4765 transitions. [2022-10-16 03:46:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:46:37,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:37,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:37,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:46:37,096 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:37,096 INFO L85 PathProgramCache]: Analyzing trace with hash 642959826, now seen corresponding path program 1 times [2022-10-16 03:46:37,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:37,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030125310] [2022-10-16 03:46:37,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:37,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:37,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:37,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030125310] [2022-10-16 03:46:37,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030125310] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:37,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:37,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:46:37,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593199937] [2022-10-16 03:46:37,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:37,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:46:37,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:37,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:46:37,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:46:37,239 INFO L87 Difference]: Start difference. First operand 3389 states and 4765 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:37,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:37,272 INFO L93 Difference]: Finished difference Result 6407 states and 8886 transitions. [2022-10-16 03:46:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:46:37,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:46:37,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:37,284 INFO L225 Difference]: With dead ends: 6407 [2022-10-16 03:46:37,284 INFO L226 Difference]: Without dead ends: 6407 [2022-10-16 03:46:37,285 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 03:46:37,286 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 71 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:37,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 346 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:46:37,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6407 states. [2022-10-16 03:46:37,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6407 to 6141. [2022-10-16 03:46:37,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6141 states, 6140 states have (on average 1.3933224755700326) internal successors, (8555), 6140 states have internal predecessors, (8555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 8555 transitions. [2022-10-16 03:46:37,385 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 8555 transitions. Word has length 100 [2022-10-16 03:46:37,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:37,386 INFO L495 AbstractCegarLoop]: Abstraction has 6141 states and 8555 transitions. [2022-10-16 03:46:37,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 8555 transitions. [2022-10-16 03:46:37,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:46:37,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:37,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:37,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 03:46:37,388 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:37,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:37,388 INFO L85 PathProgramCache]: Analyzing trace with hash -563977445, now seen corresponding path program 1 times [2022-10-16 03:46:37,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:37,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303501586] [2022-10-16 03:46:37,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:37,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:37,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:37,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303501586] [2022-10-16 03:46:37,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303501586] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:37,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:37,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:46:37,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276086398] [2022-10-16 03:46:37,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:37,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:46:37,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:37,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:46:37,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:46:37,519 INFO L87 Difference]: Start difference. First operand 6141 states and 8555 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:37,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:37,562 INFO L93 Difference]: Finished difference Result 11647 states and 15938 transitions. [2022-10-16 03:46:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:46:37,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:46:37,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:37,584 INFO L225 Difference]: With dead ends: 11647 [2022-10-16 03:46:37,585 INFO L226 Difference]: Without dead ends: 11647 [2022-10-16 03:46:37,585 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 03:46:37,585 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 64 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:37,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 346 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:46:37,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11647 states. [2022-10-16 03:46:37,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11647 to 11117. [2022-10-16 03:46:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11117 states, 11116 states have (on average 1.3743252968693775) internal successors, (15277), 11116 states have internal predecessors, (15277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11117 states to 11117 states and 15277 transitions. [2022-10-16 03:46:37,765 INFO L78 Accepts]: Start accepts. Automaton has 11117 states and 15277 transitions. Word has length 101 [2022-10-16 03:46:37,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:37,765 INFO L495 AbstractCegarLoop]: Abstraction has 11117 states and 15277 transitions. [2022-10-16 03:46:37,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:37,766 INFO L276 IsEmpty]: Start isEmpty. Operand 11117 states and 15277 transitions. [2022-10-16 03:46:37,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:46:37,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:37,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:37,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 03:46:37,767 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:37,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:37,768 INFO L85 PathProgramCache]: Analyzing trace with hash 573353758, now seen corresponding path program 1 times [2022-10-16 03:46:37,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:37,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343886401] [2022-10-16 03:46:37,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:37,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:37,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:37,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:37,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343886401] [2022-10-16 03:46:37,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343886401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:37,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:37,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:46:37,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863771488] [2022-10-16 03:46:37,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:37,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:46:37,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:37,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:46:37,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:46:37,940 INFO L87 Difference]: Start difference. First operand 11117 states and 15277 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:37,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:37,999 INFO L93 Difference]: Finished difference Result 21071 states and 28326 transitions. [2022-10-16 03:46:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:46:37,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 03:46:38,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:38,038 INFO L225 Difference]: With dead ends: 21071 [2022-10-16 03:46:38,038 INFO L226 Difference]: Without dead ends: 21071 [2022-10-16 03:46:38,038 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 03:46:38,039 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 54 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:38,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 345 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:46:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21071 states. [2022-10-16 03:46:38,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21071 to 20013. [2022-10-16 03:46:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20013 states, 20012 states have (on average 1.349440335798521) internal successors, (27005), 20012 states have internal predecessors, (27005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20013 states to 20013 states and 27005 transitions. [2022-10-16 03:46:38,364 INFO L78 Accepts]: Start accepts. Automaton has 20013 states and 27005 transitions. Word has length 102 [2022-10-16 03:46:38,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:38,364 INFO L495 AbstractCegarLoop]: Abstraction has 20013 states and 27005 transitions. [2022-10-16 03:46:38,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 20013 states and 27005 transitions. [2022-10-16 03:46:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:46:38,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:38,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:38,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 03:46:38,366 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:38,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:38,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1488377255, now seen corresponding path program 1 times [2022-10-16 03:46:38,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:38,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251261894] [2022-10-16 03:46:38,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:38,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:38,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:38,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251261894] [2022-10-16 03:46:38,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251261894] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:38,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:38,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:46:38,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669984257] [2022-10-16 03:46:38,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:38,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:46:38,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:38,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:46:38,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:46:38,654 INFO L87 Difference]: Start difference. First operand 20013 states and 27005 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:38,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:38,782 INFO L93 Difference]: Finished difference Result 31021 states and 41306 transitions. [2022-10-16 03:46:38,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:46:38,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 03:46:38,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:38,834 INFO L225 Difference]: With dead ends: 31021 [2022-10-16 03:46:38,835 INFO L226 Difference]: Without dead ends: 31021 [2022-10-16 03:46:38,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:46:38,836 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 260 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:38,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 822 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:46:38,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31021 states. [2022-10-16 03:46:39,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31021 to 20493. [2022-10-16 03:46:39,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20493 states, 20492 states have (on average 1.3318856138981066) internal successors, (27293), 20492 states have internal predecessors, (27293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:39,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20493 states to 20493 states and 27293 transitions. [2022-10-16 03:46:39,361 INFO L78 Accepts]: Start accepts. Automaton has 20493 states and 27293 transitions. Word has length 103 [2022-10-16 03:46:39,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:39,361 INFO L495 AbstractCegarLoop]: Abstraction has 20493 states and 27293 transitions. [2022-10-16 03:46:39,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:39,362 INFO L276 IsEmpty]: Start isEmpty. Operand 20493 states and 27293 transitions. [2022-10-16 03:46:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:46:39,363 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:39,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:39,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 03:46:39,363 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:39,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:39,364 INFO L85 PathProgramCache]: Analyzing trace with hash -108390554, now seen corresponding path program 1 times [2022-10-16 03:46:39,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:39,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127498921] [2022-10-16 03:46:39,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:39,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:39,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:39,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127498921] [2022-10-16 03:46:39,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127498921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:46:39,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:46:39,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:46:39,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151619170] [2022-10-16 03:46:39,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:46:39,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:46:39,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:39,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:46:39,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:46:39,445 INFO L87 Difference]: Start difference. First operand 20493 states and 27293 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:39,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:46:39,511 INFO L93 Difference]: Finished difference Result 21135 states and 27790 transitions. [2022-10-16 03:46:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:46:39,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 03:46:39,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:46:39,548 INFO L225 Difference]: With dead ends: 21135 [2022-10-16 03:46:39,548 INFO L226 Difference]: Without dead ends: 21135 [2022-10-16 03:46:39,548 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 03:46:39,549 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 86 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:46:39,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 289 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:46:39,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21135 states. [2022-10-16 03:46:39,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21135 to 21133. [2022-10-16 03:46:40,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21133 states, 21132 states have (on average 1.3150198750709825) internal successors, (27789), 21132 states have internal predecessors, (27789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:40,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21133 states to 21133 states and 27789 transitions. [2022-10-16 03:46:40,106 INFO L78 Accepts]: Start accepts. Automaton has 21133 states and 27789 transitions. Word has length 103 [2022-10-16 03:46:40,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:46:40,107 INFO L495 AbstractCegarLoop]: Abstraction has 21133 states and 27789 transitions. [2022-10-16 03:46:40,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:46:40,107 INFO L276 IsEmpty]: Start isEmpty. Operand 21133 states and 27789 transitions. [2022-10-16 03:46:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 03:46:40,113 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:46:40,113 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:46:40,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 03:46:40,114 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:46:40,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:46:40,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1221771837, now seen corresponding path program 1 times [2022-10-16 03:46:40,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:46:40,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858858810] [2022-10-16 03:46:40,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:40,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:46:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:40,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:46:40,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858858810] [2022-10-16 03:46:40,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858858810] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:46:40,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25805641] [2022-10-16 03:46:40,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:46:40,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:46:40,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:46:40,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:46:40,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 03:46:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:46:41,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 03:46:41,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:46:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:41,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:46:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:43,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25805641] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:46:43,258 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:46:43,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2022-10-16 03:46:43,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802597556] [2022-10-16 03:46:43,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:46:43,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-10-16 03:46:43,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:43,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-10-16 03:46:43,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=610, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:46:43,261 INFO L87 Difference]: Start difference. First operand 21133 states and 27789 transitions. Second operand has 27 states, 27 states have (on average 11.481481481481481) internal successors, (310), 26 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 03:47:18,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:47:18,223 INFO L93 Difference]: Finished difference Result 318917 states and 406874 transitions. [2022-10-16 03:47:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 364 states. [2022-10-16 03:47:18,224 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 11.481481481481481) internal successors, (310), 26 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 130 [2022-10-16 03:47:18,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:47:18,687 INFO L225 Difference]: With dead ends: 318917 [2022-10-16 03:47:18,687 INFO L226 Difference]: Without dead ends: 318917 [2022-10-16 03:47:18,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 385 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65590 ImplicationChecksByTransitivity, 29.0s TimeCoverageRelationStatistics Valid=15535, Invalid=133847, Unknown=0, NotChecked=0, Total=149382 [2022-10-16 03:47:18,708 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 12205 mSDsluCounter, 5608 mSDsCounter, 0 mSdLazyCounter, 5499 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12205 SdHoareTripleChecker+Valid, 5949 SdHoareTripleChecker+Invalid, 5994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 5499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:47:18,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12205 Valid, 5949 Invalid, 5994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 5499 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-16 03:47:18,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318917 states. [2022-10-16 03:47:22,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318917 to 77627. [2022-10-16 03:47:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77627 states, 77626 states have (on average 1.300479220879602) internal successors, (100951), 77626 states have internal predecessors, (100951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:47:22,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77627 states to 77627 states and 100951 transitions. [2022-10-16 03:47:22,860 INFO L78 Accepts]: Start accepts. Automaton has 77627 states and 100951 transitions. Word has length 130 [2022-10-16 03:47:22,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:47:22,860 INFO L495 AbstractCegarLoop]: Abstraction has 77627 states and 100951 transitions. [2022-10-16 03:47:22,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 11.481481481481481) internal successors, (310), 26 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 03:47:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 77627 states and 100951 transitions. [2022-10-16 03:47:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 03:47:22,877 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:47:22,879 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:47:22,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 03:47:23,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:47:23,094 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2022-10-16 03:47:23,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:47:23,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1853159154, now seen corresponding path program 1 times [2022-10-16 03:47:23,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:47:23,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413160335] [2022-10-16 03:47:23,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:47:23,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:47:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:47:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:47:24,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:47:24,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413160335] [2022-10-16 03:47:24,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413160335] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:47:24,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079537873] [2022-10-16 03:47:24,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:47:24,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:47:24,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:47:24,107 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:47:24,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 03:47:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:47:24,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 03:47:24,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:47:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:47:25,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:47:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:47:26,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079537873] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:47:26,546 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:47:26,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2022-10-16 03:47:26,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35467409] [2022-10-16 03:47:26,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:47:26,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 03:47:26,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:47:26,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 03:47:26,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2022-10-16 03:47:26,550 INFO L87 Difference]: Start difference. First operand 77627 states and 100951 transitions. Second operand has 28 states, 28 states have (on average 12.714285714285714) internal successors, (356), 28 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)