/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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:40:44,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:40:44,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:40:44,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:40:44,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:40:44,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:40:44,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:40:44,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:40:44,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:40:44,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:40:44,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:40:44,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:40:44,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:40:44,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:40:44,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:40:44,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:40:44,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:40:44,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:40:44,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:40:44,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:40:44,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:40:44,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:40:44,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:40:44,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:40:44,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:40:44,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:40:44,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:40:44,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:40:44,396 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 [2022-10-15 17:40:44,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:40:44,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:40:44,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:40:44,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:40:44,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:40:44,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:40:44,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:40:44,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:40:44,483 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:40:44,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:40:44,485 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:40:44,486 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:40:44,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:40:44,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:40:44,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:40:44,486 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:40:44,487 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:40:44,487 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:40:44,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:40:44,487 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:40:44,488 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:40:44,488 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:40:44,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:40:44,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:40:44,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:40:44,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:40:44,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:40:44,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:40:44,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:40:44,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:40:44,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:40:45,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:40:45,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:40:45,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:40:45,055 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:40:45,056 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:40:45,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-15 17:40:45,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8025fa63/b7516347eded416ba729046976509fd2/FLAGe8d17e4e5 [2022-10-15 17:40:46,132 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:40:46,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-15 17:40:46,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8025fa63/b7516347eded416ba729046976509fd2/FLAGe8d17e4e5 [2022-10-15 17:40:46,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8025fa63/b7516347eded416ba729046976509fd2 [2022-10-15 17:40:46,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:40:46,716 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:40:46,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:40:46,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:40:46,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:40:46,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:40:46" (1/1) ... [2022-10-15 17:40:46,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1397226c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:46, skipping insertion in model container [2022-10-15 17:40:46,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:40:46" (1/1) ... [2022-10-15 17:40:46,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:40:46,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:40:47,267 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11561,11574] [2022-10-15 17:40:47,346 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15618,15631] [2022-10-15 17:40:47,374 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16839,16852] [2022-10-15 17:40:47,384 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17545,17558] [2022-10-15 17:40:47,416 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19131,19144] [2022-10-15 17:40:47,425 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19837,19850] [2022-10-15 17:40:47,436 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20908,20921] [2022-10-15 17:40:47,471 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23398,23411] [2022-10-15 17:40:47,484 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24107,24120] [2022-10-15 17:40:47,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25144,25157] [2022-10-15 17:40:47,502 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27082,27095] [2022-10-15 17:40:47,522 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31116,31129] [2022-10-15 17:40:47,528 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31825,31838] [2022-10-15 17:40:47,534 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32899,32912] [2022-10-15 17:40:47,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34874,34887] [2022-10-15 17:40:47,562 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38255,38268] [2022-10-15 17:40:47,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:40:47,790 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:40:47,906 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11561,11574] [2022-10-15 17:40:47,951 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15618,15631] [2022-10-15 17:40:47,972 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16839,16852] [2022-10-15 17:40:47,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17545,17558] [2022-10-15 17:40:48,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19131,19144] [2022-10-15 17:40:48,021 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19837,19850] [2022-10-15 17:40:48,035 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20908,20921] [2022-10-15 17:40:48,064 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23398,23411] [2022-10-15 17:40:48,074 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24107,24120] [2022-10-15 17:40:48,088 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25144,25157] [2022-10-15 17:40:48,111 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27082,27095] [2022-10-15 17:40:48,130 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31116,31129] [2022-10-15 17:40:48,137 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31825,31838] [2022-10-15 17:40:48,153 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32899,32912] [2022-10-15 17:40:48,176 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34874,34887] [2022-10-15 17:40:48,194 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.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38255,38268] [2022-10-15 17:40:48,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:40:48,402 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:40:48,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48 WrapperNode [2022-10-15 17:40:48,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:40:48,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:40:48,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:40:48,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:40:48,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,597 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3485 [2022-10-15 17:40:48,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:40:48,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:40:48,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:40:48,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:40:48,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,713 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:40:48,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:40:48,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:40:48,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:40:48,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (1/1) ... [2022-10-15 17:40:48,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:40:48,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:40:48,802 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) [2022-10-15 17:40:48,815 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 [2022-10-15 17:40:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:40:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:40:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:40:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:40:49,222 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:40:49,227 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:40:51,564 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:40:51,586 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:40:51,586 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:40:51,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:40:51 BoogieIcfgContainer [2022-10-15 17:40:51,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:40:51,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:40:51,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:40:51,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:40:51,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:40:46" (1/3) ... [2022-10-15 17:40:51,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d17cf97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:40:51, skipping insertion in model container [2022-10-15 17:40:51,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:40:48" (2/3) ... [2022-10-15 17:40:51,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d17cf97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:40:51, skipping insertion in model container [2022-10-15 17:40:51,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:40:51" (3/3) ... [2022-10-15 17:40:51,606 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-15 17:40:51,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:40:51,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-10-15 17:40:51,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:40:51,730 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;@75f7fdc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:40:51,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-10-15 17:40:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 630 states, 612 states have (on average 1.8496732026143792) internal successors, (1132), 629 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 17:40:51,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:40:51,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 17:40:51,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:40:51,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:40:51,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1012741, now seen corresponding path program 1 times [2022-10-15 17:40:51,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:40:51,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286629274] [2022-10-15 17:40:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:40:51,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:40:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:40:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:40:52,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:40:52,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286629274] [2022-10-15 17:40:52,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286629274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:40:52,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:40:52,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:40:52,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080419189] [2022-10-15 17:40:52,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:40:52,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:40:52,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:40:52,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:40:52,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:40:52,288 INFO L87 Difference]: Start difference. First operand has 630 states, 612 states have (on average 1.8496732026143792) internal successors, (1132), 629 states have internal predecessors, (1132), 0 states have call successors, (0), 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) [2022-10-15 17:40:52,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:40:52,409 INFO L93 Difference]: Finished difference Result 629 states and 1115 transitions. [2022-10-15 17:40:52,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:40:52,413 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 [2022-10-15 17:40:52,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:40:52,450 INFO L225 Difference]: With dead ends: 629 [2022-10-15 17:40:52,450 INFO L226 Difference]: Without dead ends: 626 [2022-10-15 17:40:52,453 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 [2022-10-15 17:40:52,461 INFO L413 NwaCegarLoop]: 1114 mSDtfsCounter, 1112 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 1114 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 [2022-10-15 17:40:52,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 1114 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:40:52,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2022-10-15 17:40:52,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2022-10-15 17:40:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 610 states have (on average 1.2721311475409836) internal successors, (776), 625 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 776 transitions. [2022-10-15 17:40:52,620 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 776 transitions. Word has length 4 [2022-10-15 17:40:52,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:40:52,622 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 776 transitions. [2022-10-15 17:40:52,622 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) [2022-10-15 17:40:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 776 transitions. [2022-10-15 17:40:52,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 17:40:52,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:40:52,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:40:52,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:40:52,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:40:52,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:40:52,640 INFO L85 PathProgramCache]: Analyzing trace with hash -729096350, now seen corresponding path program 1 times [2022-10-15 17:40:52,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:40:52,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866573789] [2022-10-15 17:40:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:40:52,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:40:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:40:53,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:40:53,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:40:53,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866573789] [2022-10-15 17:40:53,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866573789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:40:53,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:40:53,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:40:53,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793653035] [2022-10-15 17:40:53,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:40:53,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:40:53,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:40:53,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:40:53,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:40:53,307 INFO L87 Difference]: Start difference. First operand 626 states and 776 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2022-10-15 17:40:53,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:40:53,874 INFO L93 Difference]: Finished difference Result 504 states and 637 transitions. [2022-10-15 17:40:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:40:53,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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 [2022-10-15 17:40:53,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:40:53,891 INFO L225 Difference]: With dead ends: 504 [2022-10-15 17:40:53,892 INFO L226 Difference]: Without dead ends: 504 [2022-10-15 17:40:53,893 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 [2022-10-15 17:40:53,896 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 1848 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 17:40:53,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 390 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 17:40:53,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-10-15 17:40:53,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2022-10-15 17:40:53,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 488 states have (on average 1.305327868852459) internal successors, (637), 503 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 637 transitions. [2022-10-15 17:40:53,936 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 637 transitions. Word has length 72 [2022-10-15 17:40:53,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:40:53,937 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 637 transitions. [2022-10-15 17:40:53,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2022-10-15 17:40:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 637 transitions. [2022-10-15 17:40:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 17:40:53,943 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:40:53,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:40:53,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:40:53,944 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:40:53,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:40:53,946 INFO L85 PathProgramCache]: Analyzing trace with hash -2012921467, now seen corresponding path program 1 times [2022-10-15 17:40:53,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:40:53,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622383467] [2022-10-15 17:40:53,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:40:53,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:40:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:40:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:40:54,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:40:54,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622383467] [2022-10-15 17:40:54,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622383467] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:40:54,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:40:54,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:40:54,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777297417] [2022-10-15 17:40:54,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:40:54,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:40:54,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:40:54,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:40:54,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:40:54,302 INFO L87 Difference]: Start difference. First operand 504 states and 637 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 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) [2022-10-15 17:40:54,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:40:54,658 INFO L93 Difference]: Finished difference Result 440 states and 564 transitions. [2022-10-15 17:40:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:40:54,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 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 [2022-10-15 17:40:54,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:40:54,663 INFO L225 Difference]: With dead ends: 440 [2022-10-15 17:40:54,663 INFO L226 Difference]: Without dead ends: 440 [2022-10-15 17:40:54,664 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 [2022-10-15 17:40:54,665 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 1642 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:40:54,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 337 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:40:54,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-10-15 17:40:54,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-10-15 17:40:54,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 424 states have (on average 1.330188679245283) internal successors, (564), 439 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 564 transitions. [2022-10-15 17:40:54,684 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 564 transitions. Word has length 73 [2022-10-15 17:40:54,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:40:54,685 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 564 transitions. [2022-10-15 17:40:54,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 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) [2022-10-15 17:40:54,686 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 564 transitions. [2022-10-15 17:40:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 17:40:54,688 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:40:54,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:40:54,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:40:54,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:40:54,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:40:54,690 INFO L85 PathProgramCache]: Analyzing trace with hash -800948093, now seen corresponding path program 1 times [2022-10-15 17:40:54,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:40:54,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38805272] [2022-10-15 17:40:54,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:40:54,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:40:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:40:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:40:55,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:40:55,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38805272] [2022-10-15 17:40:55,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38805272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:40:55,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:40:55,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:40:55,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973184632] [2022-10-15 17:40:55,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:40:55,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:40:55,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:40:55,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:40:55,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:40:55,010 INFO L87 Difference]: Start difference. First operand 440 states and 564 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:55,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:40:55,376 INFO L93 Difference]: Finished difference Result 420 states and 539 transitions. [2022-10-15 17:40:55,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:40:55,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 17:40:55,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:40:55,383 INFO L225 Difference]: With dead ends: 420 [2022-10-15 17:40:55,383 INFO L226 Difference]: Without dead ends: 420 [2022-10-15 17:40:55,383 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 [2022-10-15 17:40:55,387 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 1480 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:40:55,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 302 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:40:55,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-10-15 17:40:55,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2022-10-15 17:40:55,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 404 states have (on average 1.3341584158415842) internal successors, (539), 419 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 539 transitions. [2022-10-15 17:40:55,404 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 539 transitions. Word has length 74 [2022-10-15 17:40:55,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:40:55,404 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 539 transitions. [2022-10-15 17:40:55,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 539 transitions. [2022-10-15 17:40:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 17:40:55,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:40:55,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:40:55,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:40:55,408 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:40:55,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:40:55,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1628151892, now seen corresponding path program 1 times [2022-10-15 17:40:55,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:40:55,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770371777] [2022-10-15 17:40:55,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:40:55,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:40:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:40:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:40:55,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:40:55,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770371777] [2022-10-15 17:40:55,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770371777] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:40:55,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:40:55,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:40:55,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645362195] [2022-10-15 17:40:55,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:40:55,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:40:55,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:40:55,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:40:55,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:40:55,661 INFO L87 Difference]: Start difference. First operand 420 states and 539 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:56,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:40:56,009 INFO L93 Difference]: Finished difference Result 404 states and 520 transitions. [2022-10-15 17:40:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:40:56,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 17:40:56,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:40:56,013 INFO L225 Difference]: With dead ends: 404 [2022-10-15 17:40:56,013 INFO L226 Difference]: Without dead ends: 404 [2022-10-15 17:40:56,014 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 [2022-10-15 17:40:56,015 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1457 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1457 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:40:56,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1457 Valid, 308 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:40:56,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-10-15 17:40:56,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2022-10-15 17:40:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 388 states have (on average 1.3402061855670102) internal successors, (520), 403 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 520 transitions. [2022-10-15 17:40:56,030 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 520 transitions. Word has length 75 [2022-10-15 17:40:56,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:40:56,031 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 520 transitions. [2022-10-15 17:40:56,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:56,031 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 520 transitions. [2022-10-15 17:40:56,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 17:40:56,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:40:56,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:40:56,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:40:56,034 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:40:56,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:40:56,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1037752348, now seen corresponding path program 1 times [2022-10-15 17:40:56,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:40:56,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652282791] [2022-10-15 17:40:56,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:40:56,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:40:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:40:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:40:56,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:40:56,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652282791] [2022-10-15 17:40:56,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652282791] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:40:56,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:40:56,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:40:56,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777076810] [2022-10-15 17:40:56,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:40:56,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:40:56,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:40:56,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:40:56,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:40:56,257 INFO L87 Difference]: Start difference. First operand 404 states and 520 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:56,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:40:56,585 INFO L93 Difference]: Finished difference Result 393 states and 507 transitions. [2022-10-15 17:40:56,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:40:56,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 17:40:56,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:40:56,588 INFO L225 Difference]: With dead ends: 393 [2022-10-15 17:40:56,588 INFO L226 Difference]: Without dead ends: 393 [2022-10-15 17:40:56,589 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 [2022-10-15 17:40:56,590 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1440 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:40:56,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 305 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:40:56,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2022-10-15 17:40:56,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2022-10-15 17:40:56,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3448275862068966) internal successors, (507), 392 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 507 transitions. [2022-10-15 17:40:56,601 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 507 transitions. Word has length 76 [2022-10-15 17:40:56,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:40:56,602 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 507 transitions. [2022-10-15 17:40:56,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 507 transitions. [2022-10-15 17:40:56,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 17:40:56,604 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:40:56,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:40:56,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:40:56,605 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:40:56,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:40:56,605 INFO L85 PathProgramCache]: Analyzing trace with hash -142744767, now seen corresponding path program 1 times [2022-10-15 17:40:56,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:40:56,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271630472] [2022-10-15 17:40:56,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:40:56,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:40:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:40:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:40:57,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:40:57,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271630472] [2022-10-15 17:40:57,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271630472] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:40:57,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:40:57,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:40:57,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055012755] [2022-10-15 17:40:57,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:40:57,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:40:57,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:40:57,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:40:57,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:40:57,290 INFO L87 Difference]: Start difference. First operand 393 states and 507 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:58,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:40:58,593 INFO L93 Difference]: Finished difference Result 737 states and 978 transitions. [2022-10-15 17:40:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:40:58,594 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 17:40:58,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:40:58,599 INFO L225 Difference]: With dead ends: 737 [2022-10-15 17:40:58,599 INFO L226 Difference]: Without dead ends: 737 [2022-10-15 17:40:58,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:40:58,601 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 2611 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2611 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:40:58,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2611 Valid, 1846 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1391 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 17:40:58,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-10-15 17:40:58,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 393. [2022-10-15 17:40:58,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3421750663129974) internal successors, (506), 392 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 506 transitions. [2022-10-15 17:40:58,616 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 506 transitions. Word has length 77 [2022-10-15 17:40:58,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:40:58,616 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 506 transitions. [2022-10-15 17:40:58,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:40:58,617 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 506 transitions. [2022-10-15 17:40:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 17:40:58,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:40:58,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:40:58,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:40:58,620 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:40:58,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:40:58,621 INFO L85 PathProgramCache]: Analyzing trace with hash -2022253705, now seen corresponding path program 1 times [2022-10-15 17:40:58,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:40:58,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817998773] [2022-10-15 17:40:58,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:40:58,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:40:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:40:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:40:59,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:40:59,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817998773] [2022-10-15 17:40:59,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817998773] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:40:59,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:40:59,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:40:59,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868334380] [2022-10-15 17:40:59,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:40:59,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:40:59,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:40:59,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:40:59,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:40:59,333 INFO L87 Difference]: Start difference. First operand 393 states and 506 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:00,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:00,582 INFO L93 Difference]: Finished difference Result 741 states and 981 transitions. [2022-10-15 17:41:00,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:00,583 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 17:41:00,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:00,588 INFO L225 Difference]: With dead ends: 741 [2022-10-15 17:41:00,588 INFO L226 Difference]: Without dead ends: 741 [2022-10-15 17:41:00,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:41:00,590 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 2717 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:00,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2717 Valid, 1795 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 17:41:00,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-10-15 17:41:00,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 393. [2022-10-15 17:41:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.339522546419098) internal successors, (505), 392 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 505 transitions. [2022-10-15 17:41:00,605 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 505 transitions. Word has length 77 [2022-10-15 17:41:00,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:00,605 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 505 transitions. [2022-10-15 17:41:00,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:00,606 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 505 transitions. [2022-10-15 17:41:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 17:41:00,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:00,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:00,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:41:00,608 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:00,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:00,609 INFO L85 PathProgramCache]: Analyzing trace with hash 679839246, now seen corresponding path program 1 times [2022-10-15 17:41:00,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:00,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386878970] [2022-10-15 17:41:00,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:00,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:01,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:01,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386878970] [2022-10-15 17:41:01,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386878970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:01,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:01,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-15 17:41:01,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610760566] [2022-10-15 17:41:01,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:01,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-15 17:41:01,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:01,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-15 17:41:01,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-15 17:41:01,429 INFO L87 Difference]: Start difference. First operand 393 states and 505 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:02,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:02,583 INFO L93 Difference]: Finished difference Result 725 states and 955 transitions. [2022-10-15 17:41:02,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 17:41:02,584 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 17:41:02,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:02,589 INFO L225 Difference]: With dead ends: 725 [2022-10-15 17:41:02,589 INFO L226 Difference]: Without dead ends: 725 [2022-10-15 17:41:02,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-10-15 17:41:02,591 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1713 mSDsluCounter, 1572 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:02,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1713 Valid, 1890 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 17:41:02,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-10-15 17:41:02,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 393. [2022-10-15 17:41:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.336870026525199) internal successors, (504), 392 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 504 transitions. [2022-10-15 17:41:02,606 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 504 transitions. Word has length 77 [2022-10-15 17:41:02,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:02,606 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 504 transitions. [2022-10-15 17:41:02,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 504 transitions. [2022-10-15 17:41:02,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 17:41:02,609 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:02,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:02,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:41:02,610 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:02,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:02,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1232357856, now seen corresponding path program 1 times [2022-10-15 17:41:02,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:02,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655078519] [2022-10-15 17:41:02,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:02,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:03,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:03,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:03,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655078519] [2022-10-15 17:41:03,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655078519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:03,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:03,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:41:03,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606925462] [2022-10-15 17:41:03,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:03,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 17:41:03,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:03,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 17:41:03,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:41:03,240 INFO L87 Difference]: Start difference. First operand 393 states and 504 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:04,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:04,031 INFO L93 Difference]: Finished difference Result 547 states and 680 transitions. [2022-10-15 17:41:04,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 17:41:04,032 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 17:41:04,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:04,036 INFO L225 Difference]: With dead ends: 547 [2022-10-15 17:41:04,036 INFO L226 Difference]: Without dead ends: 547 [2022-10-15 17:41:04,037 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 [2022-10-15 17:41:04,038 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 2627 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:04,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 927 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 17:41:04,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-10-15 17:41:04,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 393. [2022-10-15 17:41:04,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3342175066312998) internal successors, (503), 392 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:04,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 503 transitions. [2022-10-15 17:41:04,055 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 503 transitions. Word has length 77 [2022-10-15 17:41:04,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:04,056 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 503 transitions. [2022-10-15 17:41:04,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 503 transitions. [2022-10-15 17:41:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 17:41:04,058 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:04,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:04,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:41:04,059 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:04,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:04,060 INFO L85 PathProgramCache]: Analyzing trace with hash -204100811, now seen corresponding path program 1 times [2022-10-15 17:41:04,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:04,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947145955] [2022-10-15 17:41:04,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:04,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:05,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:05,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947145955] [2022-10-15 17:41:05,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947145955] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:05,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:05,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-15 17:41:05,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190580999] [2022-10-15 17:41:05,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:05,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 17:41:05,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:05,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 17:41:05,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-15 17:41:05,098 INFO L87 Difference]: Start difference. First operand 393 states and 503 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:07,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:07,869 INFO L93 Difference]: Finished difference Result 1267 states and 1735 transitions. [2022-10-15 17:41:07,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-15 17:41:07,870 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 17:41:07,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:07,881 INFO L225 Difference]: With dead ends: 1267 [2022-10-15 17:41:07,881 INFO L226 Difference]: Without dead ends: 1267 [2022-10-15 17:41:07,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-15 17:41:07,883 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 6173 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6173 SdHoareTripleChecker+Valid, 2143 SdHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:07,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6173 Valid, 2143 Invalid, 2165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 17:41:07,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2022-10-15 17:41:07,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 397. [2022-10-15 17:41:07,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.330708661417323) internal successors, (507), 396 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 507 transitions. [2022-10-15 17:41:07,910 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 507 transitions. Word has length 79 [2022-10-15 17:41:07,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:07,911 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 507 transitions. [2022-10-15 17:41:07,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:07,911 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 507 transitions. [2022-10-15 17:41:07,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 17:41:07,913 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:07,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:07,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:41:07,914 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:07,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:07,915 INFO L85 PathProgramCache]: Analyzing trace with hash -612946039, now seen corresponding path program 1 times [2022-10-15 17:41:07,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:07,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375675434] [2022-10-15 17:41:07,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:07,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:08,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:08,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375675434] [2022-10-15 17:41:08,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375675434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:08,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:08,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:41:08,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634262935] [2022-10-15 17:41:08,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:08,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:41:08,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:08,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:41:08,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:41:08,576 INFO L87 Difference]: Start difference. First operand 397 states and 507 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:09,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:09,720 INFO L93 Difference]: Finished difference Result 733 states and 961 transitions. [2022-10-15 17:41:09,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:09,721 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 17:41:09,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:09,730 INFO L225 Difference]: With dead ends: 733 [2022-10-15 17:41:09,731 INFO L226 Difference]: Without dead ends: 733 [2022-10-15 17:41:09,731 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 [2022-10-15 17:41:09,733 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 2880 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2880 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:09,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2880 Valid, 1500 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 17:41:09,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-10-15 17:41:09,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 397. [2022-10-15 17:41:09,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.3280839895013123) internal successors, (506), 396 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 506 transitions. [2022-10-15 17:41:09,776 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 506 transitions. Word has length 79 [2022-10-15 17:41:09,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:09,776 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 506 transitions. [2022-10-15 17:41:09,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 506 transitions. [2022-10-15 17:41:09,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 17:41:09,784 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:09,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:09,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:41:09,785 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:09,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:09,788 INFO L85 PathProgramCache]: Analyzing trace with hash -244843864, now seen corresponding path program 1 times [2022-10-15 17:41:09,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:09,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832344745] [2022-10-15 17:41:09,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:09,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:10,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:10,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832344745] [2022-10-15 17:41:10,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832344745] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:10,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:10,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-15 17:41:10,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946733727] [2022-10-15 17:41:10,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:10,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 17:41:10,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:10,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 17:41:10,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-15 17:41:10,651 INFO L87 Difference]: Start difference. First operand 397 states and 506 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:13,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:13,000 INFO L93 Difference]: Finished difference Result 1161 states and 1574 transitions. [2022-10-15 17:41:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-15 17:41:13,001 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 17:41:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:13,010 INFO L225 Difference]: With dead ends: 1161 [2022-10-15 17:41:13,011 INFO L226 Difference]: Without dead ends: 1161 [2022-10-15 17:41:13,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-15 17:41:13,013 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 5260 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5260 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 2313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:13,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5260 Valid, 2221 Invalid, 2313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 17:41:13,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-10-15 17:41:13,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 401. [2022-10-15 17:41:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3246753246753247) internal successors, (510), 400 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 510 transitions. [2022-10-15 17:41:13,033 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 510 transitions. Word has length 79 [2022-10-15 17:41:13,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:13,034 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 510 transitions. [2022-10-15 17:41:13,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 510 transitions. [2022-10-15 17:41:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 17:41:13,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:13,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:13,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:41:13,036 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:13,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:13,037 INFO L85 PathProgramCache]: Analyzing trace with hash 391973260, now seen corresponding path program 1 times [2022-10-15 17:41:13,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:13,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814128589] [2022-10-15 17:41:13,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:13,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:13,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:13,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814128589] [2022-10-15 17:41:13,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814128589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:13,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:13,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:41:13,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694605602] [2022-10-15 17:41:13,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:13,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:41:13,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:13,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:41:13,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:41:13,549 INFO L87 Difference]: Start difference. First operand 401 states and 510 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:14,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:14,609 INFO L93 Difference]: Finished difference Result 733 states and 959 transitions. [2022-10-15 17:41:14,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:14,610 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 17:41:14,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:14,615 INFO L225 Difference]: With dead ends: 733 [2022-10-15 17:41:14,615 INFO L226 Difference]: Without dead ends: 733 [2022-10-15 17:41:14,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-15 17:41:14,617 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 2922 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2922 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:14,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2922 Valid, 1448 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 17:41:14,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-10-15 17:41:14,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 401. [2022-10-15 17:41:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3220779220779222) internal successors, (509), 400 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:14,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 509 transitions. [2022-10-15 17:41:14,636 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 509 transitions. Word has length 79 [2022-10-15 17:41:14,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:14,636 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 509 transitions. [2022-10-15 17:41:14,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:14,637 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 509 transitions. [2022-10-15 17:41:14,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 17:41:14,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:14,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:14,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 17:41:14,639 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:14,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:14,640 INFO L85 PathProgramCache]: Analyzing trace with hash -125566079, now seen corresponding path program 1 times [2022-10-15 17:41:14,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:14,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479659937] [2022-10-15 17:41:14,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:14,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:15,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:15,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479659937] [2022-10-15 17:41:15,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479659937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:15,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:15,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:41:15,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496165029] [2022-10-15 17:41:15,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:15,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:41:15,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:15,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:41:15,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:41:15,069 INFO L87 Difference]: Start difference. First operand 401 states and 509 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:16,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:16,169 INFO L93 Difference]: Finished difference Result 749 states and 982 transitions. [2022-10-15 17:41:16,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:16,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 17:41:16,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:16,176 INFO L225 Difference]: With dead ends: 749 [2022-10-15 17:41:16,176 INFO L226 Difference]: Without dead ends: 749 [2022-10-15 17:41:16,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:41:16,178 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 2041 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:16,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 1834 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 17:41:16,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2022-10-15 17:41:16,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 401. [2022-10-15 17:41:16,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3194805194805195) internal successors, (508), 400 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 508 transitions. [2022-10-15 17:41:16,227 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 508 transitions. Word has length 79 [2022-10-15 17:41:16,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:16,227 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 508 transitions. [2022-10-15 17:41:16,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 508 transitions. [2022-10-15 17:41:16,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 17:41:16,229 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:16,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:16,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 17:41:16,230 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:16,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:16,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1207195179, now seen corresponding path program 1 times [2022-10-15 17:41:16,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:16,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25323339] [2022-10-15 17:41:16,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:16,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:16,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:16,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25323339] [2022-10-15 17:41:16,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25323339] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:16,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:16,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:41:16,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976718766] [2022-10-15 17:41:16,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:16,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:41:16,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:16,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:41:16,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:41:16,665 INFO L87 Difference]: Start difference. First operand 401 states and 508 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:17,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:17,686 INFO L93 Difference]: Finished difference Result 733 states and 957 transitions. [2022-10-15 17:41:17,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:17,686 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 17:41:17,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:17,691 INFO L225 Difference]: With dead ends: 733 [2022-10-15 17:41:17,691 INFO L226 Difference]: Without dead ends: 733 [2022-10-15 17:41:17,692 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 [2022-10-15 17:41:17,694 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 2904 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2904 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:17,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2904 Valid, 1470 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 17:41:17,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-10-15 17:41:17,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 401. [2022-10-15 17:41:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.316883116883117) internal successors, (507), 400 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 507 transitions. [2022-10-15 17:41:17,712 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 507 transitions. Word has length 79 [2022-10-15 17:41:17,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:17,712 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 507 transitions. [2022-10-15 17:41:17,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 507 transitions. [2022-10-15 17:41:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 17:41:17,714 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:17,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:17,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 17:41:17,715 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:17,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:17,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1616040407, now seen corresponding path program 1 times [2022-10-15 17:41:17,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:17,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510903302] [2022-10-15 17:41:17,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:17,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:18,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:18,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:18,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510903302] [2022-10-15 17:41:18,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510903302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:18,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:18,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:41:18,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41332863] [2022-10-15 17:41:18,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:18,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:41:18,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:18,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:41:18,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:41:18,133 INFO L87 Difference]: Start difference. First operand 401 states and 507 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:19,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:19,049 INFO L93 Difference]: Finished difference Result 741 states and 971 transitions. [2022-10-15 17:41:19,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:19,049 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 17:41:19,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:19,054 INFO L225 Difference]: With dead ends: 741 [2022-10-15 17:41:19,054 INFO L226 Difference]: Without dead ends: 741 [2022-10-15 17:41:19,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:41:19,056 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 2029 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:19,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2029 Valid, 1787 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 17:41:19,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-10-15 17:41:19,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 401. [2022-10-15 17:41:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3142857142857143) internal successors, (506), 400 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:19,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 506 transitions. [2022-10-15 17:41:19,072 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 506 transitions. Word has length 79 [2022-10-15 17:41:19,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:19,073 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 506 transitions. [2022-10-15 17:41:19,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 506 transitions. [2022-10-15 17:41:19,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 17:41:19,075 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:19,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:19,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 17:41:19,076 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:19,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:19,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1975429315, now seen corresponding path program 1 times [2022-10-15 17:41:19,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:19,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946744369] [2022-10-15 17:41:19,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:19,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:19,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:19,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946744369] [2022-10-15 17:41:19,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946744369] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:19,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:19,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:41:19,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011718157] [2022-10-15 17:41:19,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:19,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:41:19,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:19,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:41:19,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:41:19,504 INFO L87 Difference]: Start difference. First operand 401 states and 506 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:20,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:20,712 INFO L93 Difference]: Finished difference Result 741 states and 970 transitions. [2022-10-15 17:41:20,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:20,713 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 17:41:20,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:20,718 INFO L225 Difference]: With dead ends: 741 [2022-10-15 17:41:20,718 INFO L226 Difference]: Without dead ends: 741 [2022-10-15 17:41:20,719 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 [2022-10-15 17:41:20,720 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 1380 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1380 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:20,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1380 Valid, 1918 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 17:41:20,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-10-15 17:41:20,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 397. [2022-10-15 17:41:20,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.31496062992126) internal successors, (501), 396 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 501 transitions. [2022-10-15 17:41:20,735 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 501 transitions. Word has length 80 [2022-10-15 17:41:20,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:20,736 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 501 transitions. [2022-10-15 17:41:20,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 501 transitions. [2022-10-15 17:41:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 17:41:20,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:20,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:20,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 17:41:20,738 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:20,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:20,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1896194813, now seen corresponding path program 1 times [2022-10-15 17:41:20,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:20,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687301684] [2022-10-15 17:41:20,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:20,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:21,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:21,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:21,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687301684] [2022-10-15 17:41:21,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687301684] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:21,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:21,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:41:21,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871137554] [2022-10-15 17:41:21,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:21,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:41:21,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:21,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:41:21,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:41:21,105 INFO L87 Difference]: Start difference. First operand 397 states and 501 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:22,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:22,200 INFO L93 Difference]: Finished difference Result 729 states and 950 transitions. [2022-10-15 17:41:22,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:22,201 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 17:41:22,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:22,209 INFO L225 Difference]: With dead ends: 729 [2022-10-15 17:41:22,209 INFO L226 Difference]: Without dead ends: 729 [2022-10-15 17:41:22,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:41:22,211 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 1229 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:22,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 1974 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 17:41:22,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2022-10-15 17:41:22,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 393. [2022-10-15 17:41:22,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3156498673740054) internal successors, (496), 392 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 496 transitions. [2022-10-15 17:41:22,230 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 496 transitions. Word has length 80 [2022-10-15 17:41:22,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:22,230 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 496 transitions. [2022-10-15 17:41:22,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 496 transitions. [2022-10-15 17:41:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:41:22,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:22,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:22,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 17:41:22,233 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:22,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2135531548, now seen corresponding path program 1 times [2022-10-15 17:41:22,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:22,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882026779] [2022-10-15 17:41:22,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:22,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:22,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:22,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882026779] [2022-10-15 17:41:22,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882026779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:22,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:22,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:41:22,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960714169] [2022-10-15 17:41:22,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:22,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:41:22,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:22,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:41:22,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:41:22,707 INFO L87 Difference]: Start difference. First operand 393 states and 496 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:23,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:23,876 INFO L93 Difference]: Finished difference Result 713 states and 922 transitions. [2022-10-15 17:41:23,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:23,876 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 17:41:23,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:23,881 INFO L225 Difference]: With dead ends: 713 [2022-10-15 17:41:23,881 INFO L226 Difference]: Without dead ends: 713 [2022-10-15 17:41:23,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:41:23,883 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 2311 mSDsluCounter, 1586 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 1547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:23,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2311 Valid, 1961 Invalid, 1547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 17:41:23,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-10-15 17:41:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 393. [2022-10-15 17:41:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.312997347480106) internal successors, (495), 392 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 495 transitions. [2022-10-15 17:41:23,899 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 495 transitions. Word has length 81 [2022-10-15 17:41:23,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:23,900 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 495 transitions. [2022-10-15 17:41:23,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 495 transitions. [2022-10-15 17:41:23,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:41:23,902 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:23,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:23,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 17:41:23,902 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:23,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:23,903 INFO L85 PathProgramCache]: Analyzing trace with hash -247238646, now seen corresponding path program 1 times [2022-10-15 17:41:23,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:23,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143072036] [2022-10-15 17:41:23,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:23,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:24,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:24,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143072036] [2022-10-15 17:41:24,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143072036] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:24,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:24,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:41:24,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037097850] [2022-10-15 17:41:24,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:24,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:41:24,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:24,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:41:24,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:41:24,343 INFO L87 Difference]: Start difference. First operand 393 states and 495 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:25,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:25,492 INFO L93 Difference]: Finished difference Result 729 states and 946 transitions. [2022-10-15 17:41:25,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:25,498 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 17:41:25,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:25,502 INFO L225 Difference]: With dead ends: 729 [2022-10-15 17:41:25,502 INFO L226 Difference]: Without dead ends: 729 [2022-10-15 17:41:25,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:41:25,504 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 1903 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1903 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:25,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1903 Valid, 1818 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 17:41:25,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2022-10-15 17:41:25,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 393. [2022-10-15 17:41:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3103448275862069) internal successors, (494), 392 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 494 transitions. [2022-10-15 17:41:25,520 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 494 transitions. Word has length 81 [2022-10-15 17:41:25,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:25,520 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 494 transitions. [2022-10-15 17:41:25,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 494 transitions. [2022-10-15 17:41:25,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:41:25,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:25,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:25,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 17:41:25,523 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:25,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1648828412, now seen corresponding path program 1 times [2022-10-15 17:41:25,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:25,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245640853] [2022-10-15 17:41:25,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:25,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:26,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:26,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245640853] [2022-10-15 17:41:26,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245640853] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:26,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:26,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:41:26,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852472164] [2022-10-15 17:41:26,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:26,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:41:26,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:26,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:41:26,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:41:26,054 INFO L87 Difference]: Start difference. First operand 393 states and 494 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:27,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:27,314 INFO L93 Difference]: Finished difference Result 713 states and 920 transitions. [2022-10-15 17:41:27,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:41:27,317 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 17:41:27,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:27,321 INFO L225 Difference]: With dead ends: 713 [2022-10-15 17:41:27,321 INFO L226 Difference]: Without dead ends: 713 [2022-10-15 17:41:27,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:41:27,324 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 2206 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2206 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:27,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2206 Valid, 2183 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1612 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 17:41:27,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-10-15 17:41:27,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 393. [2022-10-15 17:41:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.3076923076923077) internal successors, (493), 392 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 493 transitions. [2022-10-15 17:41:27,352 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 493 transitions. Word has length 81 [2022-10-15 17:41:27,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:27,352 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 493 transitions. [2022-10-15 17:41:27,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 493 transitions. [2022-10-15 17:41:27,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:41:27,355 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:27,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:27,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 17:41:27,356 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:27,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:27,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1380394973, now seen corresponding path program 1 times [2022-10-15 17:41:27,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:27,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21460895] [2022-10-15 17:41:27,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:27,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:41:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:41:28,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:41:28,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21460895] [2022-10-15 17:41:28,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21460895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:41:28,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:41:28,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-15 17:41:28,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697060540] [2022-10-15 17:41:28,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:41:28,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 17:41:28,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:41:28,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 17:41:28,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-15 17:41:28,060 INFO L87 Difference]: Start difference. First operand 393 states and 493 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:30,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:41:30,495 INFO L93 Difference]: Finished difference Result 1054 states and 1404 transitions. [2022-10-15 17:41:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-15 17:41:30,496 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 17:41:30,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:41:30,501 INFO L225 Difference]: With dead ends: 1054 [2022-10-15 17:41:30,502 INFO L226 Difference]: Without dead ends: 1054 [2022-10-15 17:41:30,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-15 17:41:30,503 INFO L413 NwaCegarLoop]: 441 mSDtfsCounter, 4636 mSDsluCounter, 1887 mSDsCounter, 0 mSdLazyCounter, 1831 mSolverCounterSat, 551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4636 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 1831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 17:41:30,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4636 Valid, 2328 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 1831 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 17:41:30,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2022-10-15 17:41:30,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 397. [2022-10-15 17:41:30,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 381 states have (on average 1.304461942257218) internal successors, (497), 396 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:30,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 497 transitions. [2022-10-15 17:41:30,521 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 497 transitions. Word has length 81 [2022-10-15 17:41:30,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:41:30,522 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 497 transitions. [2022-10-15 17:41:30,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:41:30,522 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 497 transitions. [2022-10-15 17:41:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:41:30,524 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:41:30,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:41:30,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 17:41:30,525 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-15 17:41:30,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:41:30,525 INFO L85 PathProgramCache]: Analyzing trace with hash -90069907, now seen corresponding path program 1 times [2022-10-15 17:41:30,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:41:30,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887367644] [2022-10-15 17:41:30,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:41:30,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:41:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat