/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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:01:43,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:01:43,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:01:43,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 04:01:43,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 04:01:43,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 04:01:43,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 04:01:43,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 04:01:43,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 04:01:43,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 04:01:43,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 04:01:43,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 04:01:43,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 04:01:43,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 04:01:43,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 04:01:43,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 04:01:43,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 04:01:43,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 04:01:43,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 04:01:43,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 04:01:43,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 04:01:43,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 04:01:43,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 04:01:43,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 04:01:43,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 04:01:43,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:01:43,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:01:43,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:01:43,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 04:01:43,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:01:43,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:01:43,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:01:43,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:01:43,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:01:43,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:01:43,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:01:43,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:01:43,286 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:01:43,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:01:43,287 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:01:43,287 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:01:43,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:01:43,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:01:43,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:01:43,288 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:01:43,288 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:01:43,288 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:01:43,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:01:43,289 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:01:43,289 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:01:43,289 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:01:43,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:01:43,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:01:43,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:01:43,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:01:43,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:01:43,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:01:43,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:01:43,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:01:43,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:01:43,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:01:43,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:01:43,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:01:43,713 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:01:43,714 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:01:43,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c [2022-10-16 04:01:43,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99685fcd4/3447333d264a425598f93510b512d9e5/FLAG78b314a9b [2022-10-16 04:01:45,107 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:01:45,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c [2022-10-16 04:01:45,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99685fcd4/3447333d264a425598f93510b512d9e5/FLAG78b314a9b [2022-10-16 04:01:45,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99685fcd4/3447333d264a425598f93510b512d9e5 [2022-10-16 04:01:45,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:01:45,371 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:01:45,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:01:45,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:01:45,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:01:45,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:01:45" (1/1) ... [2022-10-16 04:01:45,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf65746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:45, skipping insertion in model container [2022-10-16 04:01:45,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:01:45" (1/1) ... [2022-10-16 04:01:45,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:01:45,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:01:46,620 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[22358,22371] [2022-10-16 04:01:46,662 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[28268,28281] [2022-10-16 04:01:46,676 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[29690,29703] [2022-10-16 04:01:46,687 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[30548,30561] [2022-10-16 04:01:46,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[32341,32354] [2022-10-16 04:01:46,713 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[33199,33212] [2022-10-16 04:01:46,726 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[34428,34441] [2022-10-16 04:01:46,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[37283,37296] [2022-10-16 04:01:46,779 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[38144,38157] [2022-10-16 04:01:46,792 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[39376,39389] [2022-10-16 04:01:46,818 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[41667,41680] [2022-10-16 04:01:46,857 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46092,46105] [2022-10-16 04:01:46,865 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46953,46966] [2022-10-16 04:01:46,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[48185,48198] [2022-10-16 04:01:46,888 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[50476,50489] [2022-10-16 04:01:46,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[54337,54350] [2022-10-16 04:01:46,950 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[61299,61312] [2022-10-16 04:01:46,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[62160,62173] [2022-10-16 04:01:46,966 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[63392,63405] [2022-10-16 04:01:46,981 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[65683,65696] [2022-10-16 04:01:47,022 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[69544,69557] [2022-10-16 04:01:47,065 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[75942,75955] [2022-10-16 04:01:47,135 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[87347,87360] [2022-10-16 04:01:47,143 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[88208,88221] [2022-10-16 04:01:47,162 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[89401,89414] [2022-10-16 04:01:47,179 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[91653,91666] [2022-10-16 04:01:47,207 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[95755,95768] [2022-10-16 04:01:47,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[103009,103022] [2022-10-16 04:01:47,334 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[115656,115669] [2022-10-16 04:01:47,456 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[137951,137964] [2022-10-16 04:01:47,463 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[138812,138825] [2022-10-16 04:01:47,471 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[140044,140057] [2022-10-16 04:01:47,485 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[142335,142348] [2022-10-16 04:01:47,508 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[146196,146209] [2022-10-16 04:01:47,541 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[152594,152607] [2022-10-16 04:01:47,593 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[163435,163448] [2022-10-16 04:01:47,676 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[182075,182088] [2022-10-16 04:01:49,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:01:49,596 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:01:49,750 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[22358,22371] [2022-10-16 04:01:49,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[28268,28281] [2022-10-16 04:01:49,776 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[29690,29703] [2022-10-16 04:01:49,782 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[30548,30561] [2022-10-16 04:01:49,792 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[32341,32354] [2022-10-16 04:01:49,798 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[33199,33212] [2022-10-16 04:01:49,805 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[34428,34441] [2022-10-16 04:01:49,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[37283,37296] [2022-10-16 04:01:49,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[38144,38157] [2022-10-16 04:01:49,832 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[39376,39389] [2022-10-16 04:01:49,847 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[41667,41680] [2022-10-16 04:01:49,872 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46092,46105] [2022-10-16 04:01:49,878 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46953,46966] [2022-10-16 04:01:49,888 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[48185,48198] [2022-10-16 04:01:49,902 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[50476,50489] [2022-10-16 04:01:49,922 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[54337,54350] [2022-10-16 04:01:49,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[61299,61312] [2022-10-16 04:01:49,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[62160,62173] [2022-10-16 04:01:49,973 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[63392,63405] [2022-10-16 04:01:49,988 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[65683,65696] [2022-10-16 04:01:50,006 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[69544,69557] [2022-10-16 04:01:50,035 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[75942,75955] [2022-10-16 04:01:50,081 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[87347,87360] [2022-10-16 04:01:50,087 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[88208,88221] [2022-10-16 04:01:50,095 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[89401,89414] [2022-10-16 04:01:50,110 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[91653,91666] [2022-10-16 04:01:50,132 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[95755,95768] [2022-10-16 04:01:50,165 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[103009,103022] [2022-10-16 04:01:50,267 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[115656,115669] [2022-10-16 04:01:50,357 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[137951,137964] [2022-10-16 04:01:50,363 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[138812,138825] [2022-10-16 04:01:50,370 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[140044,140057] [2022-10-16 04:01:50,382 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[142335,142348] [2022-10-16 04:01:50,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[146196,146209] [2022-10-16 04:01:50,426 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[152594,152607] [2022-10-16 04:01:50,470 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[163435,163448] [2022-10-16 04:01:50,543 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[182075,182088] [2022-10-16 04:01:52,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:01:52,145 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:01:52,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52 WrapperNode [2022-10-16 04:01:52,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:01:52,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:01:52,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:01:52,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:01:52,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:52,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:52,811 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24256 [2022-10-16 04:01:52,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:01:52,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:01:52,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:01:52,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:01:52,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:52,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:52,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:52,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:53,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:53,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:53,288 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:53,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:53,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:01:53,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:01:53,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:01:53,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:01:53,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 04:01:53,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:01:53,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:01:53,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 04:01:53,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 04:01:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:01:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:01:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:01:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:01:54,269 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:01:54,272 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:02:03,961 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:02:04,002 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:02:04,002 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 04:02:04,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:02:04 BoogieIcfgContainer [2022-10-16 04:02:04,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:02:04,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:02:04,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:02:04,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:02:04,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:01:45" (1/3) ... [2022-10-16 04:02:04,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3965d18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:02:04, skipping insertion in model container [2022-10-16 04:02:04,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (2/3) ... [2022-10-16 04:02:04,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3965d18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:02:04, skipping insertion in model container [2022-10-16 04:02:04,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:02:04" (3/3) ... [2022-10-16 04:02:04,021 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c [2022-10-16 04:02:04,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:02:04,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-10-16 04:02:04,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:02:04,167 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;@7e7984df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:02:04,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-10-16 04:02:04,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 3894 states, 3855 states have (on average 1.866147859922179) internal successors, (7194), 3893 states have internal predecessors, (7194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 04:02:04,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:04,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 04:02:04,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:04,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:04,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1488901, now seen corresponding path program 1 times [2022-10-16 04:02:04,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:04,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229150726] [2022-10-16 04:02:04,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:04,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:04,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:04,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:04,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229150726] [2022-10-16 04:02:04,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229150726] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:04,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:04,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 04:02:04,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249689084] [2022-10-16 04:02:04,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:04,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:02:04,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:04,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:02:04,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:02:04,947 INFO L87 Difference]: Start difference. First operand has 3894 states, 3855 states have (on average 1.866147859922179) internal successors, (7194), 3893 states have internal predecessors, (7194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:05,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:05,226 INFO L93 Difference]: Finished difference Result 3893 states and 7156 transitions. [2022-10-16 04:02:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:02:05,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 04:02:05,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:05,280 INFO L225 Difference]: With dead ends: 3893 [2022-10-16 04:02:05,288 INFO L226 Difference]: Without dead ends: 3890 [2022-10-16 04:02:05,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:02:05,297 INFO L413 NwaCegarLoop]: 7155 mSDtfsCounter, 7153 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7153 SdHoareTripleChecker+Valid, 7155 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:05,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7153 Valid, 7155 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:02:05,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2022-10-16 04:02:05,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 3890. [2022-10-16 04:02:05,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3890 states, 3853 states have (on average 1.277965221905009) internal successors, (4924), 3889 states have internal predecessors, (4924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 4924 transitions. [2022-10-16 04:02:05,528 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 4924 transitions. Word has length 4 [2022-10-16 04:02:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:05,528 INFO L495 AbstractCegarLoop]: Abstraction has 3890 states and 4924 transitions. [2022-10-16 04:02:05,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 4924 transitions. [2022-10-16 04:02:05,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 04:02:05,555 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:05,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:05,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:02:05,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:05,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:05,557 INFO L85 PathProgramCache]: Analyzing trace with hash 665140337, now seen corresponding path program 1 times [2022-10-16 04:02:05,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:05,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102583173] [2022-10-16 04:02:05,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:05,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:06,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:06,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102583173] [2022-10-16 04:02:06,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102583173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:06,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:06,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:02:06,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467539963] [2022-10-16 04:02:06,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:06,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:02:06,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:06,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:02:06,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:02:06,198 INFO L87 Difference]: Start difference. First operand 3890 states and 4924 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:09,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:09,235 INFO L93 Difference]: Finished difference Result 3883 states and 5206 transitions. [2022-10-16 04:02:09,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:02:09,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-16 04:02:09,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:09,255 INFO L225 Difference]: With dead ends: 3883 [2022-10-16 04:02:09,256 INFO L226 Difference]: Without dead ends: 3883 [2022-10-16 04:02:09,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:02:09,260 INFO L413 NwaCegarLoop]: 2214 mSDtfsCounter, 14100 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14100 SdHoareTripleChecker+Valid, 3003 SdHoareTripleChecker+Invalid, 2224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:09,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14100 Valid, 3003 Invalid, 2224 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:02:09,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3883 states. [2022-10-16 04:02:09,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3883 to 3757. [2022-10-16 04:02:09,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3757 states, 3720 states have (on average 1.3725806451612903) internal successors, (5106), 3756 states have internal predecessors, (5106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 5106 transitions. [2022-10-16 04:02:09,402 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 5106 transitions. Word has length 117 [2022-10-16 04:02:09,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:09,404 INFO L495 AbstractCegarLoop]: Abstraction has 3757 states and 5106 transitions. [2022-10-16 04:02:09,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 5106 transitions. [2022-10-16 04:02:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 04:02:09,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:09,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:09,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 04:02:09,415 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:09,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:09,416 INFO L85 PathProgramCache]: Analyzing trace with hash -165228108, now seen corresponding path program 1 times [2022-10-16 04:02:09,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:09,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341704593] [2022-10-16 04:02:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:09,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:09,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:09,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341704593] [2022-10-16 04:02:09,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341704593] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:09,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:09,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:02:09,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079634795] [2022-10-16 04:02:09,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:09,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:02:09,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:09,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:02:09,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:02:09,859 INFO L87 Difference]: Start difference. First operand 3757 states and 5106 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:11,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:11,503 INFO L93 Difference]: Finished difference Result 3269 states and 4552 transitions. [2022-10-16 04:02:11,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:02:11,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 04:02:11,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:11,521 INFO L225 Difference]: With dead ends: 3269 [2022-10-16 04:02:11,521 INFO L226 Difference]: Without dead ends: 3269 [2022-10-16 04:02:11,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:02:11,523 INFO L413 NwaCegarLoop]: 1793 mSDtfsCounter, 9500 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9500 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:11,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9500 Valid, 1829 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 04:02:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2022-10-16 04:02:11,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3269. [2022-10-16 04:02:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3269 states, 3232 states have (on average 1.4084158415841583) internal successors, (4552), 3268 states have internal predecessors, (4552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 3269 states and 4552 transitions. [2022-10-16 04:02:11,608 INFO L78 Accepts]: Start accepts. Automaton has 3269 states and 4552 transitions. Word has length 118 [2022-10-16 04:02:11,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:11,609 INFO L495 AbstractCegarLoop]: Abstraction has 3269 states and 4552 transitions. [2022-10-16 04:02:11,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:11,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3269 states and 4552 transitions. [2022-10-16 04:02:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 04:02:11,617 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:11,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:11,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 04:02:11,618 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:11,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1014149644, now seen corresponding path program 1 times [2022-10-16 04:02:11,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:11,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842382230] [2022-10-16 04:02:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:11,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:11,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:11,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842382230] [2022-10-16 04:02:11,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842382230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:11,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:11,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:02:11,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858409850] [2022-10-16 04:02:11,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:11,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:02:11,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:11,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:02:11,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:02:11,936 INFO L87 Difference]: Start difference. First operand 3269 states and 4552 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:14,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:14,152 INFO L93 Difference]: Finished difference Result 3109 states and 4358 transitions. [2022-10-16 04:02:14,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:02:14,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 04:02:14,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:14,174 INFO L225 Difference]: With dead ends: 3109 [2022-10-16 04:02:14,174 INFO L226 Difference]: Without dead ends: 3109 [2022-10-16 04:02:14,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:02:14,178 INFO L413 NwaCegarLoop]: 1245 mSDtfsCounter, 8578 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8578 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 2183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:14,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8578 Valid, 1305 Invalid, 2183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:02:14,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2022-10-16 04:02:14,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 3109. [2022-10-16 04:02:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 3072 states have (on average 1.4186197916666667) internal successors, (4358), 3108 states have internal predecessors, (4358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 4358 transitions. [2022-10-16 04:02:14,281 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 4358 transitions. Word has length 119 [2022-10-16 04:02:14,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:14,281 INFO L495 AbstractCegarLoop]: Abstraction has 3109 states and 4358 transitions. [2022-10-16 04:02:14,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 4358 transitions. [2022-10-16 04:02:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 04:02:14,291 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:14,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:14,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 04:02:14,292 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:14,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:14,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1359526519, now seen corresponding path program 1 times [2022-10-16 04:02:14,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:14,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11430424] [2022-10-16 04:02:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:14,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:14,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:14,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11430424] [2022-10-16 04:02:14,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11430424] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:14,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:14,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:02:14,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312465576] [2022-10-16 04:02:14,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:14,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:02:14,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:14,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:02:14,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:02:14,774 INFO L87 Difference]: Start difference. First operand 3109 states and 4358 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:16,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:16,526 INFO L93 Difference]: Finished difference Result 2981 states and 4212 transitions. [2022-10-16 04:02:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:02:16,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 04:02:16,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:16,541 INFO L225 Difference]: With dead ends: 2981 [2022-10-16 04:02:16,541 INFO L226 Difference]: Without dead ends: 2981 [2022-10-16 04:02:16,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:02:16,542 INFO L413 NwaCegarLoop]: 1386 mSDtfsCounter, 8321 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8321 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:16,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8321 Valid, 1438 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 04:02:16,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2022-10-16 04:02:16,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 2981. [2022-10-16 04:02:16,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2981 states, 2944 states have (on average 1.4307065217391304) internal successors, (4212), 2980 states have internal predecessors, (4212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 2981 states and 4212 transitions. [2022-10-16 04:02:16,617 INFO L78 Accepts]: Start accepts. Automaton has 2981 states and 4212 transitions. Word has length 120 [2022-10-16 04:02:16,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:16,617 INFO L495 AbstractCegarLoop]: Abstraction has 2981 states and 4212 transitions. [2022-10-16 04:02:16,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:16,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2981 states and 4212 transitions. [2022-10-16 04:02:16,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 04:02:16,624 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:16,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:16,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 04:02:16,625 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:16,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:16,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1066134221, now seen corresponding path program 1 times [2022-10-16 04:02:16,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:16,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859880796] [2022-10-16 04:02:16,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:16,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:16,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:16,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859880796] [2022-10-16 04:02:16,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859880796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:16,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:16,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:02:16,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952400634] [2022-10-16 04:02:16,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:16,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:02:16,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:16,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:02:16,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:02:16,900 INFO L87 Difference]: Start difference. First operand 2981 states and 4212 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:18,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:18,296 INFO L93 Difference]: Finished difference Result 2869 states and 4090 transitions. [2022-10-16 04:02:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:02:18,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 04:02:18,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:18,310 INFO L225 Difference]: With dead ends: 2869 [2022-10-16 04:02:18,310 INFO L226 Difference]: Without dead ends: 2869 [2022-10-16 04:02:18,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:02:18,311 INFO L413 NwaCegarLoop]: 1497 mSDtfsCounter, 8157 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8157 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:18,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8157 Valid, 1525 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 04:02:18,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2022-10-16 04:02:18,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2869. [2022-10-16 04:02:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2869 states, 2832 states have (on average 1.4442090395480225) internal successors, (4090), 2868 states have internal predecessors, (4090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:18,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2869 states and 4090 transitions. [2022-10-16 04:02:18,377 INFO L78 Accepts]: Start accepts. Automaton has 2869 states and 4090 transitions. Word has length 121 [2022-10-16 04:02:18,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:18,378 INFO L495 AbstractCegarLoop]: Abstraction has 2869 states and 4090 transitions. [2022-10-16 04:02:18,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 4090 transitions. [2022-10-16 04:02:18,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 04:02:18,384 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:18,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:18,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 04:02:18,385 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:18,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:18,386 INFO L85 PathProgramCache]: Analyzing trace with hash -872939982, now seen corresponding path program 1 times [2022-10-16 04:02:18,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:18,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478370378] [2022-10-16 04:02:18,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:18,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:18,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:18,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478370378] [2022-10-16 04:02:18,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478370378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:18,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:18,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:02:18,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668612444] [2022-10-16 04:02:18,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:18,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:02:18,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:18,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:02:18,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:02:18,663 INFO L87 Difference]: Start difference. First operand 2869 states and 4090 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:19,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:19,949 INFO L93 Difference]: Finished difference Result 2804 states and 4019 transitions. [2022-10-16 04:02:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:02:19,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 04:02:19,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:19,964 INFO L225 Difference]: With dead ends: 2804 [2022-10-16 04:02:19,964 INFO L226 Difference]: Without dead ends: 2804 [2022-10-16 04:02:19,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:02:19,966 INFO L413 NwaCegarLoop]: 1480 mSDtfsCounter, 7985 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7985 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:19,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7985 Valid, 1492 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 04:02:19,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2022-10-16 04:02:20,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2804. [2022-10-16 04:02:20,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2767 states have (on average 1.452475605348753) internal successors, (4019), 2803 states have internal predecessors, (4019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4019 transitions. [2022-10-16 04:02:20,028 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4019 transitions. Word has length 122 [2022-10-16 04:02:20,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:20,028 INFO L495 AbstractCegarLoop]: Abstraction has 2804 states and 4019 transitions. [2022-10-16 04:02:20,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4019 transitions. [2022-10-16 04:02:20,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 04:02:20,035 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:20,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:20,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 04:02:20,035 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:20,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:20,036 INFO L85 PathProgramCache]: Analyzing trace with hash 139171630, now seen corresponding path program 1 times [2022-10-16 04:02:20,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:20,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854022388] [2022-10-16 04:02:20,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:20,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:20,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:20,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854022388] [2022-10-16 04:02:20,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854022388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:20,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:20,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:02:20,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307381907] [2022-10-16 04:02:20,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:20,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:02:20,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:20,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:02:20,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:02:20,299 INFO L87 Difference]: Start difference. First operand 2804 states and 4019 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:21,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:21,706 INFO L93 Difference]: Finished difference Result 2773 states and 3984 transitions. [2022-10-16 04:02:21,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:02:21,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 04:02:21,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:21,719 INFO L225 Difference]: With dead ends: 2773 [2022-10-16 04:02:21,719 INFO L226 Difference]: Without dead ends: 2773 [2022-10-16 04:02:21,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:02:21,721 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 7866 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7866 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:21,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7866 Valid, 1477 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 04:02:21,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2022-10-16 04:02:21,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2773. [2022-10-16 04:02:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2773 states, 2736 states have (on average 1.456140350877193) internal successors, (3984), 2772 states have internal predecessors, (3984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3984 transitions. [2022-10-16 04:02:21,775 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3984 transitions. Word has length 123 [2022-10-16 04:02:21,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:21,775 INFO L495 AbstractCegarLoop]: Abstraction has 2773 states and 3984 transitions. [2022-10-16 04:02:21,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3984 transitions. [2022-10-16 04:02:21,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 04:02:21,782 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:21,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:21,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 04:02:21,783 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:21,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:21,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1019327599, now seen corresponding path program 1 times [2022-10-16 04:02:21,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:21,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542852184] [2022-10-16 04:02:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:21,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:22,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:22,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:22,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542852184] [2022-10-16 04:02:22,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542852184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:22,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:22,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:02:22,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430948199] [2022-10-16 04:02:22,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:22,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:02:22,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:22,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:02:22,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:02:22,044 INFO L87 Difference]: Start difference. First operand 2773 states and 3984 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:23,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:23,444 INFO L93 Difference]: Finished difference Result 2762 states and 3970 transitions. [2022-10-16 04:02:23,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:02:23,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-16 04:02:23,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:23,453 INFO L225 Difference]: With dead ends: 2762 [2022-10-16 04:02:23,454 INFO L226 Difference]: Without dead ends: 2762 [2022-10-16 04:02:23,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:02:23,455 INFO L413 NwaCegarLoop]: 1366 mSDtfsCounter, 7710 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7710 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:23,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7710 Valid, 1410 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 04:02:23,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2022-10-16 04:02:23,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762. [2022-10-16 04:02:23,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.456880733944954) internal successors, (3970), 2761 states have internal predecessors, (3970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3970 transitions. [2022-10-16 04:02:23,507 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3970 transitions. Word has length 124 [2022-10-16 04:02:23,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:23,507 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3970 transitions. [2022-10-16 04:02:23,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3970 transitions. [2022-10-16 04:02:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 04:02:23,513 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:23,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:23,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 04:02:23,514 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:23,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:23,515 INFO L85 PathProgramCache]: Analyzing trace with hash 872951789, now seen corresponding path program 1 times [2022-10-16 04:02:23,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:23,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714735180] [2022-10-16 04:02:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:23,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:24,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:24,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714735180] [2022-10-16 04:02:24,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714735180] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:24,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:24,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 04:02:24,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768305957] [2022-10-16 04:02:24,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:24,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 04:02:24,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:24,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 04:02:24,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-16 04:02:24,485 INFO L87 Difference]: Start difference. First operand 2762 states and 3970 transitions. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 10 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:28,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:28,683 INFO L93 Difference]: Finished difference Result 4670 states and 6722 transitions. [2022-10-16 04:02:28,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 04:02:28,683 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 10 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 04:02:28,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:28,698 INFO L225 Difference]: With dead ends: 4670 [2022-10-16 04:02:28,698 INFO L226 Difference]: Without dead ends: 4670 [2022-10-16 04:02:28,698 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 [2022-10-16 04:02:28,699 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 13236 mSDsluCounter, 6109 mSDsCounter, 0 mSdLazyCounter, 6257 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13236 SdHoareTripleChecker+Valid, 7584 SdHoareTripleChecker+Invalid, 6302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 6257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:28,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13236 Valid, 7584 Invalid, 6302 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [45 Valid, 6257 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 04:02:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4670 states. [2022-10-16 04:02:28,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4670 to 2762. [2022-10-16 04:02:28,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4561467889908257) internal successors, (3968), 2761 states have internal predecessors, (3968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3968 transitions. [2022-10-16 04:02:28,771 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3968 transitions. Word has length 125 [2022-10-16 04:02:28,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:28,771 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3968 transitions. [2022-10-16 04:02:28,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 10 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3968 transitions. [2022-10-16 04:02:28,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 04:02:28,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:28,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:28,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 04:02:28,778 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:28,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:28,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1281515480, now seen corresponding path program 1 times [2022-10-16 04:02:28,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:28,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129291748] [2022-10-16 04:02:28,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:28,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:29,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:29,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129291748] [2022-10-16 04:02:29,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129291748] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:29,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:29,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:02:29,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721295100] [2022-10-16 04:02:29,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:29,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 04:02:29,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:29,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 04:02:29,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:02:29,648 INFO L87 Difference]: Start difference. First operand 2762 states and 3968 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:32,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:32,919 INFO L93 Difference]: Finished difference Result 3480 states and 4774 transitions. [2022-10-16 04:02:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 04:02:32,920 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 04:02:32,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:32,928 INFO L225 Difference]: With dead ends: 3480 [2022-10-16 04:02:32,928 INFO L226 Difference]: Without dead ends: 3480 [2022-10-16 04:02:32,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-10-16 04:02:32,929 INFO L413 NwaCegarLoop]: 1134 mSDtfsCounter, 13224 mSDsluCounter, 2366 mSDsCounter, 0 mSdLazyCounter, 4001 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13224 SdHoareTripleChecker+Valid, 3500 SdHoareTripleChecker+Invalid, 4254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 4001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:32,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13224 Valid, 3500 Invalid, 4254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 4001 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 04:02:32,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2022-10-16 04:02:32,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 2762. [2022-10-16 04:02:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4557798165137614) internal successors, (3967), 2761 states have internal predecessors, (3967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3967 transitions. [2022-10-16 04:02:33,001 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3967 transitions. Word has length 125 [2022-10-16 04:02:33,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:33,002 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3967 transitions. [2022-10-16 04:02:33,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3967 transitions. [2022-10-16 04:02:33,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 04:02:33,008 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:33,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:33,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 04:02:33,008 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:33,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:33,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2063190834, now seen corresponding path program 1 times [2022-10-16 04:02:33,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:33,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646170095] [2022-10-16 04:02:33,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:33,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:33,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:33,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:33,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646170095] [2022-10-16 04:02:33,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646170095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:33,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:33,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:02:33,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131213367] [2022-10-16 04:02:33,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:33,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:02:33,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:33,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:02:33,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:02:33,898 INFO L87 Difference]: Start difference. First operand 2762 states and 3967 transitions. Second operand has 12 states, 12 states have (on average 10.416666666666666) internal successors, (125), 11 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:38,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:38,683 INFO L93 Difference]: Finished difference Result 4710 states and 6752 transitions. [2022-10-16 04:02:38,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 04:02:38,683 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.416666666666666) internal successors, (125), 11 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 04:02:38,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:38,691 INFO L225 Difference]: With dead ends: 4710 [2022-10-16 04:02:38,692 INFO L226 Difference]: Without dead ends: 4710 [2022-10-16 04:02:38,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 04:02:38,693 INFO L413 NwaCegarLoop]: 1515 mSDtfsCounter, 7539 mSDsluCounter, 7480 mSDsCounter, 0 mSdLazyCounter, 7593 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7539 SdHoareTripleChecker+Valid, 8995 SdHoareTripleChecker+Invalid, 7663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 7593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:38,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7539 Valid, 8995 Invalid, 7663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 7593 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 04:02:38,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4710 states. [2022-10-16 04:02:38,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4710 to 2775. [2022-10-16 04:02:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4558071585098613) internal successors, (3986), 2774 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3986 transitions. [2022-10-16 04:02:38,768 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3986 transitions. Word has length 125 [2022-10-16 04:02:38,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:38,768 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3986 transitions. [2022-10-16 04:02:38,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.416666666666666) internal successors, (125), 11 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3986 transitions. [2022-10-16 04:02:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 04:02:38,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:38,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:38,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 04:02:38,777 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:38,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2108954040, now seen corresponding path program 1 times [2022-10-16 04:02:38,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:38,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342085829] [2022-10-16 04:02:38,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:38,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:39,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:39,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342085829] [2022-10-16 04:02:39,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342085829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:39,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:39,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:39,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568303313] [2022-10-16 04:02:39,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:39,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:39,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:39,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:39,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:39,572 INFO L87 Difference]: Start difference. First operand 2775 states and 3986 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:43,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:43,599 INFO L93 Difference]: Finished difference Result 3055 states and 4396 transitions. [2022-10-16 04:02:43,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:43,599 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 04:02:43,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:43,609 INFO L225 Difference]: With dead ends: 3055 [2022-10-16 04:02:43,609 INFO L226 Difference]: Without dead ends: 3055 [2022-10-16 04:02:43,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:43,610 INFO L413 NwaCegarLoop]: 1455 mSDtfsCounter, 8285 mSDsluCounter, 6250 mSDsCounter, 0 mSdLazyCounter, 6311 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8285 SdHoareTripleChecker+Valid, 7705 SdHoareTripleChecker+Invalid, 6338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 6311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:43,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8285 Valid, 7705 Invalid, 6338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 6311 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 04:02:43,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2022-10-16 04:02:43,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2762. [2022-10-16 04:02:43,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4554128440366974) internal successors, (3966), 2761 states have internal predecessors, (3966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:43,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3966 transitions. [2022-10-16 04:02:43,669 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3966 transitions. Word has length 125 [2022-10-16 04:02:43,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:43,669 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3966 transitions. [2022-10-16 04:02:43,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3966 transitions. [2022-10-16 04:02:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 04:02:43,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:43,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:43,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 04:02:43,676 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:43,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:43,677 INFO L85 PathProgramCache]: Analyzing trace with hash 871478774, now seen corresponding path program 1 times [2022-10-16 04:02:43,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:43,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619952448] [2022-10-16 04:02:43,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:43,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:44,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:44,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619952448] [2022-10-16 04:02:44,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619952448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:44,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:44,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:44,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548694368] [2022-10-16 04:02:44,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:44,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:44,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:44,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:44,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:44,298 INFO L87 Difference]: Start difference. First operand 2762 states and 3966 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:48,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:48,020 INFO L93 Difference]: Finished difference Result 4618 states and 6627 transitions. [2022-10-16 04:02:48,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:48,021 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 04:02:48,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:48,032 INFO L225 Difference]: With dead ends: 4618 [2022-10-16 04:02:48,032 INFO L226 Difference]: Without dead ends: 4618 [2022-10-16 04:02:48,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:48,034 INFO L413 NwaCegarLoop]: 1506 mSDtfsCounter, 11359 mSDsluCounter, 5067 mSDsCounter, 0 mSdLazyCounter, 5519 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11359 SdHoareTripleChecker+Valid, 6573 SdHoareTripleChecker+Invalid, 5622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 5519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:48,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11359 Valid, 6573 Invalid, 5622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 5519 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 04:02:48,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4618 states. [2022-10-16 04:02:48,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4618 to 2762. [2022-10-16 04:02:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.455045871559633) internal successors, (3965), 2761 states have internal predecessors, (3965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3965 transitions. [2022-10-16 04:02:48,096 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3965 transitions. Word has length 125 [2022-10-16 04:02:48,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:48,097 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3965 transitions. [2022-10-16 04:02:48,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3965 transitions. [2022-10-16 04:02:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:02:48,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:48,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:48,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 04:02:48,103 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:48,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:48,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1393816537, now seen corresponding path program 1 times [2022-10-16 04:02:48,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:48,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633578946] [2022-10-16 04:02:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:48,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:48,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:48,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633578946] [2022-10-16 04:02:48,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633578946] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:48,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:48,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:48,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791933461] [2022-10-16 04:02:48,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:48,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:48,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:48,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:48,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:48,880 INFO L87 Difference]: Start difference. First operand 2762 states and 3965 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:52,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:52,579 INFO L93 Difference]: Finished difference Result 4618 states and 6626 transitions. [2022-10-16 04:02:52,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:52,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 04:02:52,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:52,588 INFO L225 Difference]: With dead ends: 4618 [2022-10-16 04:02:52,588 INFO L226 Difference]: Without dead ends: 4618 [2022-10-16 04:02:52,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:52,597 INFO L413 NwaCegarLoop]: 1522 mSDtfsCounter, 11132 mSDsluCounter, 5114 mSDsCounter, 0 mSdLazyCounter, 5519 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11132 SdHoareTripleChecker+Valid, 6636 SdHoareTripleChecker+Invalid, 5622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 5519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:52,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11132 Valid, 6636 Invalid, 5622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 5519 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 04:02:52,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4618 states. [2022-10-16 04:02:52,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4618 to 2762. [2022-10-16 04:02:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4546788990825688) internal successors, (3964), 2761 states have internal predecessors, (3964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3964 transitions. [2022-10-16 04:02:52,662 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3964 transitions. Word has length 127 [2022-10-16 04:02:52,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:52,663 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3964 transitions. [2022-10-16 04:02:52,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:52,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3964 transitions. [2022-10-16 04:02:52,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:02:52,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:52,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:52,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 04:02:52,670 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:52,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:52,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1270994115, now seen corresponding path program 1 times [2022-10-16 04:02:52,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:52,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593213253] [2022-10-16 04:02:52,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:52,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:53,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:53,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593213253] [2022-10-16 04:02:53,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593213253] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:53,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:53,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:53,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985335818] [2022-10-16 04:02:53,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:53,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:53,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:53,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:53,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:53,299 INFO L87 Difference]: Start difference. First operand 2762 states and 3964 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:57,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:57,255 INFO L93 Difference]: Finished difference Result 4642 states and 6665 transitions. [2022-10-16 04:02:57,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:57,256 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 04:02:57,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:57,262 INFO L225 Difference]: With dead ends: 4642 [2022-10-16 04:02:57,262 INFO L226 Difference]: Without dead ends: 4642 [2022-10-16 04:02:57,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:57,263 INFO L413 NwaCegarLoop]: 1740 mSDtfsCounter, 10934 mSDsluCounter, 5696 mSDsCounter, 0 mSdLazyCounter, 6055 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10934 SdHoareTripleChecker+Valid, 7436 SdHoareTripleChecker+Invalid, 6111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 6055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:57,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10934 Valid, 7436 Invalid, 6111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 6055 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-16 04:02:57,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4642 states. [2022-10-16 04:02:57,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4642 to 2762. [2022-10-16 04:02:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4543119266055047) internal successors, (3963), 2761 states have internal predecessors, (3963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3963 transitions. [2022-10-16 04:02:57,327 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3963 transitions. Word has length 127 [2022-10-16 04:02:57,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:57,328 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3963 transitions. [2022-10-16 04:02:57,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3963 transitions. [2022-10-16 04:02:57,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:02:57,335 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:57,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:57,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 04:02:57,336 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:02:57,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:57,337 INFO L85 PathProgramCache]: Analyzing trace with hash -404587771, now seen corresponding path program 1 times [2022-10-16 04:02:57,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:57,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758891989] [2022-10-16 04:02:57,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:57,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:57,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:57,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758891989] [2022-10-16 04:02:57,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758891989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:57,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:57,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:57,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819025950] [2022-10-16 04:02:57,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:57,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:57,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:57,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:57,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:57,984 INFO L87 Difference]: Start difference. First operand 2762 states and 3963 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:02,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:02,154 INFO L93 Difference]: Finished difference Result 4642 states and 6664 transitions. [2022-10-16 04:03:02,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:02,155 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 04:03:02,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:02,162 INFO L225 Difference]: With dead ends: 4642 [2022-10-16 04:03:02,162 INFO L226 Difference]: Without dead ends: 4642 [2022-10-16 04:03:02,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:03:02,164 INFO L413 NwaCegarLoop]: 1740 mSDtfsCounter, 14229 mSDsluCounter, 5723 mSDsCounter, 0 mSdLazyCounter, 6061 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14229 SdHoareTripleChecker+Valid, 7463 SdHoareTripleChecker+Invalid, 6136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 6061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:02,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14229 Valid, 7463 Invalid, 6136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 6061 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 04:03:02,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4642 states. [2022-10-16 04:03:02,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4642 to 2762. [2022-10-16 04:03:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4539449541284404) internal successors, (3962), 2761 states have internal predecessors, (3962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3962 transitions. [2022-10-16 04:03:02,293 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3962 transitions. Word has length 127 [2022-10-16 04:03:02,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:02,293 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3962 transitions. [2022-10-16 04:03:02,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3962 transitions. [2022-10-16 04:03:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:03:02,299 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:02,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:02,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 04:03:02,301 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:03:02,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:02,302 INFO L85 PathProgramCache]: Analyzing trace with hash -369681398, now seen corresponding path program 1 times [2022-10-16 04:03:02,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:02,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106884182] [2022-10-16 04:03:02,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:02,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:03,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:03,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106884182] [2022-10-16 04:03:03,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106884182] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:03,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:03,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:03,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928808595] [2022-10-16 04:03:03,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:03,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:03,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:03,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:03,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:03,029 INFO L87 Difference]: Start difference. First operand 2762 states and 3962 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:07,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:07,100 INFO L93 Difference]: Finished difference Result 4678 states and 6720 transitions. [2022-10-16 04:03:07,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:07,101 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 04:03:07,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:07,106 INFO L225 Difference]: With dead ends: 4678 [2022-10-16 04:03:07,107 INFO L226 Difference]: Without dead ends: 4678 [2022-10-16 04:03:07,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:03:07,108 INFO L413 NwaCegarLoop]: 1782 mSDtfsCounter, 14559 mSDsluCounter, 5804 mSDsCounter, 0 mSdLazyCounter, 6192 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14559 SdHoareTripleChecker+Valid, 7586 SdHoareTripleChecker+Invalid, 6241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 6192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:07,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14559 Valid, 7586 Invalid, 6241 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 6192 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 04:03:07,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2022-10-16 04:03:07,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 2762. [2022-10-16 04:03:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.453577981651376) internal successors, (3961), 2761 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3961 transitions. [2022-10-16 04:03:07,165 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3961 transitions. Word has length 127 [2022-10-16 04:03:07,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:07,165 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3961 transitions. [2022-10-16 04:03:07,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3961 transitions. [2022-10-16 04:03:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:03:07,171 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:07,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:07,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 04:03:07,172 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:03:07,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:07,173 INFO L85 PathProgramCache]: Analyzing trace with hash 101802033, now seen corresponding path program 1 times [2022-10-16 04:03:07,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:07,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824450787] [2022-10-16 04:03:07,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:07,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:07,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:07,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824450787] [2022-10-16 04:03:07,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824450787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:07,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:07,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:07,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442468852] [2022-10-16 04:03:07,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:07,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:07,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:07,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:07,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:07,774 INFO L87 Difference]: Start difference. First operand 2762 states and 3961 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:12,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:12,156 INFO L93 Difference]: Finished difference Result 4642 states and 6662 transitions. [2022-10-16 04:03:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:12,160 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 04:03:12,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:12,166 INFO L225 Difference]: With dead ends: 4642 [2022-10-16 04:03:12,166 INFO L226 Difference]: Without dead ends: 4642 [2022-10-16 04:03:12,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:03:12,167 INFO L413 NwaCegarLoop]: 1864 mSDtfsCounter, 13435 mSDsluCounter, 6154 mSDsCounter, 0 mSdLazyCounter, 6565 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13435 SdHoareTripleChecker+Valid, 8018 SdHoareTripleChecker+Invalid, 6637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 6565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:12,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13435 Valid, 8018 Invalid, 6637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 6565 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 04:03:12,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4642 states. [2022-10-16 04:03:12,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4642 to 2762. [2022-10-16 04:03:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.453211009174312) internal successors, (3960), 2761 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3960 transitions. [2022-10-16 04:03:12,225 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3960 transitions. Word has length 127 [2022-10-16 04:03:12,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:12,225 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3960 transitions. [2022-10-16 04:03:12,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3960 transitions. [2022-10-16 04:03:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:03:12,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:12,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:12,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 04:03:12,232 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:03:12,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:12,233 INFO L85 PathProgramCache]: Analyzing trace with hash -2110906991, now seen corresponding path program 1 times [2022-10-16 04:03:12,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:12,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979515142] [2022-10-16 04:03:12,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:12,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:12,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:12,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979515142] [2022-10-16 04:03:12,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979515142] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:12,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:12,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:03:12,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244490296] [2022-10-16 04:03:12,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:12,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:03:12,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:12,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:03:12,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:03:12,948 INFO L87 Difference]: Start difference. First operand 2762 states and 3960 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:18,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:18,471 INFO L93 Difference]: Finished difference Result 4902 states and 7019 transitions. [2022-10-16 04:03:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 04:03:18,472 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 04:03:18,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:18,478 INFO L225 Difference]: With dead ends: 4902 [2022-10-16 04:03:18,479 INFO L226 Difference]: Without dead ends: 4902 [2022-10-16 04:03:18,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 04:03:18,480 INFO L413 NwaCegarLoop]: 1828 mSDtfsCounter, 17647 mSDsluCounter, 9629 mSDsCounter, 0 mSdLazyCounter, 9421 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17647 SdHoareTripleChecker+Valid, 11457 SdHoareTripleChecker+Invalid, 9513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 9421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:18,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17647 Valid, 11457 Invalid, 9513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [92 Valid, 9421 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-16 04:03:18,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4902 states. [2022-10-16 04:03:18,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4902 to 2776. [2022-10-16 04:03:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2739 states have (on average 1.452354874041621) internal successors, (3978), 2775 states have internal predecessors, (3978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3978 transitions. [2022-10-16 04:03:18,530 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3978 transitions. Word has length 127 [2022-10-16 04:03:18,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:18,531 INFO L495 AbstractCegarLoop]: Abstraction has 2776 states and 3978 transitions. [2022-10-16 04:03:18,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3978 transitions. [2022-10-16 04:03:18,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:03:18,537 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:18,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:18,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 04:03:18,538 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:03:18,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:18,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1988084569, now seen corresponding path program 1 times [2022-10-16 04:03:18,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:18,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686368599] [2022-10-16 04:03:18,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:18,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:19,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:19,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:19,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686368599] [2022-10-16 04:03:19,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686368599] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:19,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:19,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:03:19,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169584722] [2022-10-16 04:03:19,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:19,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:03:19,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:19,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:03:19,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:03:19,204 INFO L87 Difference]: Start difference. First operand 2776 states and 3978 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:24,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:24,757 INFO L93 Difference]: Finished difference Result 4788 states and 6849 transitions. [2022-10-16 04:03:24,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 04:03:24,757 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 04:03:24,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:24,764 INFO L225 Difference]: With dead ends: 4788 [2022-10-16 04:03:24,765 INFO L226 Difference]: Without dead ends: 4788 [2022-10-16 04:03:24,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 04:03:24,766 INFO L413 NwaCegarLoop]: 1904 mSDtfsCounter, 10161 mSDsluCounter, 9027 mSDsCounter, 0 mSdLazyCounter, 9170 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10161 SdHoareTripleChecker+Valid, 10931 SdHoareTripleChecker+Invalid, 9266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 9170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:24,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10161 Valid, 10931 Invalid, 9266 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [96 Valid, 9170 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-10-16 04:03:24,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4788 states. [2022-10-16 04:03:24,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4788 to 2784. [2022-10-16 04:03:24,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2747 states have (on average 1.4524936294139061) internal successors, (3990), 2783 states have internal predecessors, (3990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:24,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3990 transitions. [2022-10-16 04:03:24,813 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3990 transitions. Word has length 127 [2022-10-16 04:03:24,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:24,814 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 3990 transitions. [2022-10-16 04:03:24,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3990 transitions. [2022-10-16 04:03:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:03:24,820 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:24,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:24,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 04:03:24,820 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:03:24,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:24,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1913593849, now seen corresponding path program 1 times [2022-10-16 04:03:24,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:24,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149547907] [2022-10-16 04:03:24,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:24,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:25,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:25,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:25,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149547907] [2022-10-16 04:03:25,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149547907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:25,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:25,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:25,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118586210] [2022-10-16 04:03:25,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:25,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:25,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:25,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:25,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:25,357 INFO L87 Difference]: Start difference. First operand 2784 states and 3990 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:29,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:29,488 INFO L93 Difference]: Finished difference Result 4640 states and 6648 transitions. [2022-10-16 04:03:29,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:29,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 04:03:29,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:29,498 INFO L225 Difference]: With dead ends: 4640 [2022-10-16 04:03:29,498 INFO L226 Difference]: Without dead ends: 4640 [2022-10-16 04:03:29,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:29,501 INFO L413 NwaCegarLoop]: 1906 mSDtfsCounter, 9851 mSDsluCounter, 6265 mSDsCounter, 0 mSdLazyCounter, 6775 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9851 SdHoareTripleChecker+Valid, 8171 SdHoareTripleChecker+Invalid, 6866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 6775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:29,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9851 Valid, 8171 Invalid, 6866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 6775 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 04:03:29,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4640 states. [2022-10-16 04:03:29,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4640 to 2784. [2022-10-16 04:03:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2747 states have (on average 1.4517655624317438) internal successors, (3988), 2783 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3988 transitions. [2022-10-16 04:03:29,608 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3988 transitions. Word has length 127 [2022-10-16 04:03:29,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:29,609 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 3988 transitions. [2022-10-16 04:03:29,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3988 transitions. [2022-10-16 04:03:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 04:03:29,615 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:29,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:29,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 04:03:29,616 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:03:29,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:29,617 INFO L85 PathProgramCache]: Analyzing trace with hash -582969139, now seen corresponding path program 1 times [2022-10-16 04:03:29,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:29,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348884126] [2022-10-16 04:03:29,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:29,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:30,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:30,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348884126] [2022-10-16 04:03:30,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348884126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:30,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:30,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:30,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980699120] [2022-10-16 04:03:30,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:30,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:30,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:30,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:30,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:30,226 INFO L87 Difference]: Start difference. First operand 2784 states and 3988 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:34,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:34,491 INFO L93 Difference]: Finished difference Result 4700 states and 6745 transitions. [2022-10-16 04:03:34,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:34,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 04:03:34,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:34,497 INFO L225 Difference]: With dead ends: 4700 [2022-10-16 04:03:34,497 INFO L226 Difference]: Without dead ends: 4700 [2022-10-16 04:03:34,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:03:34,498 INFO L413 NwaCegarLoop]: 1921 mSDtfsCounter, 13556 mSDsluCounter, 6127 mSDsCounter, 0 mSdLazyCounter, 6579 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13556 SdHoareTripleChecker+Valid, 8048 SdHoareTripleChecker+Invalid, 6620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 6579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:34,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13556 Valid, 8048 Invalid, 6620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [41 Valid, 6579 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 04:03:34,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2022-10-16 04:03:34,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 2784. [2022-10-16 04:03:34,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2747 states have (on average 1.4510374954495813) internal successors, (3986), 2783 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:34,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3986 transitions. [2022-10-16 04:03:34,540 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3986 transitions. Word has length 127 [2022-10-16 04:03:34,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:34,540 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 3986 transitions. [2022-10-16 04:03:34,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:34,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3986 transitions. [2022-10-16 04:03:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:03:34,547 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:34,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:34,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 04:03:34,547 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:03:34,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:34,548 INFO L85 PathProgramCache]: Analyzing trace with hash -794169949, now seen corresponding path program 1 times [2022-10-16 04:03:34,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:34,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022863393] [2022-10-16 04:03:34,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:34,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:35,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:35,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:35,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022863393] [2022-10-16 04:03:35,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022863393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:35,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:35,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:03:35,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372384192] [2022-10-16 04:03:35,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:35,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:03:35,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:35,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:03:35,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:03:35,547 INFO L87 Difference]: Start difference. First operand 2784 states and 3986 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:42,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:42,506 INFO L93 Difference]: Finished difference Result 6650 states and 9600 transitions. [2022-10-16 04:03:42,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:03:42,506 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:03:42,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:42,515 INFO L225 Difference]: With dead ends: 6650 [2022-10-16 04:03:42,515 INFO L226 Difference]: Without dead ends: 6650 [2022-10-16 04:03:42,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:03:42,516 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 19414 mSDsluCounter, 7329 mSDsCounter, 0 mSdLazyCounter, 7862 mSolverCounterSat, 1187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19414 SdHoareTripleChecker+Valid, 9562 SdHoareTripleChecker+Invalid, 9049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1187 IncrementalHoareTripleChecker+Valid, 7862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:42,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19414 Valid, 9562 Invalid, 9049 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1187 Valid, 7862 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 04:03:42,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6650 states. [2022-10-16 04:03:42,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6650 to 2788. [2022-10-16 04:03:42,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 2751 states have (on average 1.450381679389313) internal successors, (3990), 2787 states have internal predecessors, (3990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3990 transitions. [2022-10-16 04:03:42,572 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3990 transitions. Word has length 129 [2022-10-16 04:03:42,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:42,573 INFO L495 AbstractCegarLoop]: Abstraction has 2788 states and 3990 transitions. [2022-10-16 04:03:42,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:42,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3990 transitions. [2022-10-16 04:03:42,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:03:42,579 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:42,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:42,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 04:03:42,580 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:03:42,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:42,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1685362764, now seen corresponding path program 1 times [2022-10-16 04:03:42,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:42,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43027672] [2022-10-16 04:03:42,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:42,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:43,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:43,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43027672] [2022-10-16 04:03:43,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43027672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:43,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:43,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:43,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101127218] [2022-10-16 04:03:43,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:43,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:43,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:43,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:43,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:43,155 INFO L87 Difference]: Start difference. First operand 2788 states and 3990 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:47,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:47,568 INFO L93 Difference]: Finished difference Result 4644 states and 6649 transitions. [2022-10-16 04:03:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:47,569 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:03:47,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:47,575 INFO L225 Difference]: With dead ends: 4644 [2022-10-16 04:03:47,575 INFO L226 Difference]: Without dead ends: 4644 [2022-10-16 04:03:47,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:47,577 INFO L413 NwaCegarLoop]: 1906 mSDtfsCounter, 9686 mSDsluCounter, 6274 mSDsCounter, 0 mSdLazyCounter, 6776 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9686 SdHoareTripleChecker+Valid, 8180 SdHoareTripleChecker+Invalid, 6868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 6776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:47,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9686 Valid, 8180 Invalid, 6868 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [92 Valid, 6776 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 04:03:47,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2022-10-16 04:03:47,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 2788. [2022-10-16 04:03:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 2751 states have (on average 1.4500181752090149) internal successors, (3989), 2787 states have internal predecessors, (3989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:47,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3989 transitions. [2022-10-16 04:03:47,634 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3989 transitions. Word has length 129 [2022-10-16 04:03:47,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:47,635 INFO L495 AbstractCegarLoop]: Abstraction has 2788 states and 3989 transitions. [2022-10-16 04:03:47,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3989 transitions. [2022-10-16 04:03:47,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:03:47,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:47,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:47,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 04:03:47,642 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:03:47,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:47,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1329556290, now seen corresponding path program 1 times [2022-10-16 04:03:47,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:47,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900251686] [2022-10-16 04:03:47,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:47,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:48,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:48,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900251686] [2022-10-16 04:03:48,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900251686] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:48,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:48,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:03:48,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629714334] [2022-10-16 04:03:48,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:48,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:03:48,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:48,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:03:48,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:03:48,574 INFO L87 Difference]: Start difference. First operand 2788 states and 3989 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:56,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:56,640 INFO L93 Difference]: Finished difference Result 6102 states and 8783 transitions. [2022-10-16 04:03:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:03:56,640 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:03:56,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:56,651 INFO L225 Difference]: With dead ends: 6102 [2022-10-16 04:03:56,651 INFO L226 Difference]: Without dead ends: 6102 [2022-10-16 04:03:56,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:03:56,653 INFO L413 NwaCegarLoop]: 2039 mSDtfsCounter, 20436 mSDsluCounter, 9310 mSDsCounter, 0 mSdLazyCounter, 9445 mSolverCounterSat, 1503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20436 SdHoareTripleChecker+Valid, 11349 SdHoareTripleChecker+Invalid, 10948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1503 IncrementalHoareTripleChecker+Valid, 9445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:56,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20436 Valid, 11349 Invalid, 10948 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1503 Valid, 9445 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-10-16 04:03:56,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6102 states. [2022-10-16 04:03:56,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6102 to 2792. [2022-10-16 04:03:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2792 states, 2755 states have (on average 1.4493647912885663) internal successors, (3993), 2791 states have internal predecessors, (3993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 3993 transitions. [2022-10-16 04:03:56,722 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 3993 transitions. Word has length 129 [2022-10-16 04:03:56,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:56,722 INFO L495 AbstractCegarLoop]: Abstraction has 2792 states and 3993 transitions. [2022-10-16 04:03:56,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3993 transitions. [2022-10-16 04:03:56,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:03:56,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:56,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:56,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 04:03:56,729 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:03:56,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:56,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1410747634, now seen corresponding path program 1 times [2022-10-16 04:03:56,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:56,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557030283] [2022-10-16 04:03:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:56,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:57,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:57,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557030283] [2022-10-16 04:03:57,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557030283] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:57,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:57,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:03:57,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798456764] [2022-10-16 04:03:57,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:57,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:03:57,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:57,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:03:57,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:03:57,644 INFO L87 Difference]: Start difference. First operand 2792 states and 3993 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:05,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:05,078 INFO L93 Difference]: Finished difference Result 6338 states and 9139 transitions. [2022-10-16 04:04:05,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:04:05,079 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:05,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:05,085 INFO L225 Difference]: With dead ends: 6338 [2022-10-16 04:04:05,085 INFO L226 Difference]: Without dead ends: 6338 [2022-10-16 04:04:05,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:04:05,086 INFO L413 NwaCegarLoop]: 2295 mSDtfsCounter, 21035 mSDsluCounter, 7763 mSDsCounter, 0 mSdLazyCounter, 8341 mSolverCounterSat, 1289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21035 SdHoareTripleChecker+Valid, 10058 SdHoareTripleChecker+Invalid, 9630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1289 IncrementalHoareTripleChecker+Valid, 8341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:05,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21035 Valid, 10058 Invalid, 9630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1289 Valid, 8341 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-10-16 04:04:05,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2022-10-16 04:04:05,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 2796. [2022-10-16 04:04:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2759 states have (on average 1.448713301920986) internal successors, (3997), 2795 states have internal predecessors, (3997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:05,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3997 transitions. [2022-10-16 04:04:05,130 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3997 transitions. Word has length 129 [2022-10-16 04:04:05,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:05,130 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3997 transitions. [2022-10-16 04:04:05,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3997 transitions. [2022-10-16 04:04:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:04:05,133 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:05,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:05,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 04:04:05,134 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:05,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:05,135 INFO L85 PathProgramCache]: Analyzing trace with hash -492901468, now seen corresponding path program 1 times [2022-10-16 04:04:05,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:05,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558580829] [2022-10-16 04:04:05,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:05,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:05,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:05,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558580829] [2022-10-16 04:04:05,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558580829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:05,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:05,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:05,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347593994] [2022-10-16 04:04:05,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:05,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:05,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:05,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:05,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:05,611 INFO L87 Difference]: Start difference. First operand 2796 states and 3997 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:09,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:09,931 INFO L93 Difference]: Finished difference Result 4648 states and 6651 transitions. [2022-10-16 04:04:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:04:09,931 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:09,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:09,938 INFO L225 Difference]: With dead ends: 4648 [2022-10-16 04:04:09,938 INFO L226 Difference]: Without dead ends: 4648 [2022-10-16 04:04:09,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:04:09,939 INFO L413 NwaCegarLoop]: 1871 mSDtfsCounter, 13136 mSDsluCounter, 6170 mSDsCounter, 0 mSdLazyCounter, 6638 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13136 SdHoareTripleChecker+Valid, 8041 SdHoareTripleChecker+Invalid, 6760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 6638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:09,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13136 Valid, 8041 Invalid, 6760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [122 Valid, 6638 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 04:04:09,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4648 states. [2022-10-16 04:04:09,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4648 to 2796. [2022-10-16 04:04:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2759 states have (on average 1.4483508517578834) internal successors, (3996), 2795 states have internal predecessors, (3996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:09,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3996 transitions. [2022-10-16 04:04:09,988 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3996 transitions. Word has length 129 [2022-10-16 04:04:09,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:09,988 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3996 transitions. [2022-10-16 04:04:09,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3996 transitions. [2022-10-16 04:04:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:04:09,992 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:09,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:09,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 04:04:09,993 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:09,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:09,993 INFO L85 PathProgramCache]: Analyzing trace with hash -732883344, now seen corresponding path program 1 times [2022-10-16 04:04:09,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:09,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353297206] [2022-10-16 04:04:09,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:09,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:10,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:10,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353297206] [2022-10-16 04:04:10,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353297206] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:10,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:10,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:10,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70965081] [2022-10-16 04:04:10,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:10,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:10,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:10,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:10,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:10,467 INFO L87 Difference]: Start difference. First operand 2796 states and 3996 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:14,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:14,730 INFO L93 Difference]: Finished difference Result 4648 states and 6649 transitions. [2022-10-16 04:04:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:04:14,730 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:14,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:14,736 INFO L225 Difference]: With dead ends: 4648 [2022-10-16 04:04:14,736 INFO L226 Difference]: Without dead ends: 4648 [2022-10-16 04:04:14,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:04:14,738 INFO L413 NwaCegarLoop]: 1889 mSDtfsCounter, 13413 mSDsluCounter, 6056 mSDsCounter, 0 mSdLazyCounter, 6550 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13413 SdHoareTripleChecker+Valid, 7945 SdHoareTripleChecker+Invalid, 6674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 6550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:14,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13413 Valid, 7945 Invalid, 6674 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [124 Valid, 6550 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 04:04:14,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4648 states. [2022-10-16 04:04:14,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4648 to 2796. [2022-10-16 04:04:14,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2759 states have (on average 1.4479884015947808) internal successors, (3995), 2795 states have internal predecessors, (3995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3995 transitions. [2022-10-16 04:04:14,783 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3995 transitions. Word has length 129 [2022-10-16 04:04:14,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:14,783 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3995 transitions. [2022-10-16 04:04:14,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3995 transitions. [2022-10-16 04:04:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:04:14,786 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:14,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:14,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 04:04:14,786 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:14,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:14,787 INFO L85 PathProgramCache]: Analyzing trace with hash -429367370, now seen corresponding path program 1 times [2022-10-16 04:04:14,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:14,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31191248] [2022-10-16 04:04:14,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:14,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:15,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:15,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:15,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31191248] [2022-10-16 04:04:15,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31191248] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:15,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:15,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:15,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213829530] [2022-10-16 04:04:15,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:15,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:15,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:15,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:15,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:15,198 INFO L87 Difference]: Start difference. First operand 2796 states and 3995 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:19,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:19,396 INFO L93 Difference]: Finished difference Result 4648 states and 6648 transitions. [2022-10-16 04:04:19,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:04:19,397 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:19,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:19,403 INFO L225 Difference]: With dead ends: 4648 [2022-10-16 04:04:19,403 INFO L226 Difference]: Without dead ends: 4648 [2022-10-16 04:04:19,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:04:19,406 INFO L413 NwaCegarLoop]: 1803 mSDtfsCounter, 10058 mSDsluCounter, 5991 mSDsCounter, 0 mSdLazyCounter, 6398 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10058 SdHoareTripleChecker+Valid, 7794 SdHoareTripleChecker+Invalid, 6493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 6398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:19,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10058 Valid, 7794 Invalid, 6493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 6398 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 04:04:19,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4648 states. [2022-10-16 04:04:19,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4648 to 2796. [2022-10-16 04:04:19,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2759 states have (on average 1.447625951431678) internal successors, (3994), 2795 states have internal predecessors, (3994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3994 transitions. [2022-10-16 04:04:19,459 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3994 transitions. Word has length 129 [2022-10-16 04:04:19,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:19,460 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3994 transitions. [2022-10-16 04:04:19,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3994 transitions. [2022-10-16 04:04:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:04:19,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:19,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:19,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 04:04:19,464 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:19,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:19,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1325526123, now seen corresponding path program 1 times [2022-10-16 04:04:19,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:19,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061651059] [2022-10-16 04:04:19,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:19,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:19,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:19,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061651059] [2022-10-16 04:04:19,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061651059] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:19,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:19,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:19,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40613223] [2022-10-16 04:04:19,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:19,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:19,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:19,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:19,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:19,965 INFO L87 Difference]: Start difference. First operand 2796 states and 3994 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:23,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:23,073 INFO L93 Difference]: Finished difference Result 3067 states and 4392 transitions. [2022-10-16 04:04:23,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 04:04:23,073 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:23,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:23,078 INFO L225 Difference]: With dead ends: 3067 [2022-10-16 04:04:23,078 INFO L226 Difference]: Without dead ends: 3067 [2022-10-16 04:04:23,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-10-16 04:04:23,079 INFO L413 NwaCegarLoop]: 1536 mSDtfsCounter, 8628 mSDsluCounter, 4483 mSDsCounter, 0 mSdLazyCounter, 4923 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8628 SdHoareTripleChecker+Valid, 6019 SdHoareTripleChecker+Invalid, 4950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 4923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:23,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8628 Valid, 6019 Invalid, 4950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 4923 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:04:23,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3067 states. [2022-10-16 04:04:23,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3067 to 2774. [2022-10-16 04:04:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4475703324808185) internal successors, (3962), 2773 states have internal predecessors, (3962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3962 transitions. [2022-10-16 04:04:23,115 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3962 transitions. Word has length 129 [2022-10-16 04:04:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:23,115 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3962 transitions. [2022-10-16 04:04:23,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3962 transitions. [2022-10-16 04:04:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:04:23,118 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:23,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:23,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 04:04:23,119 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:23,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:23,119 INFO L85 PathProgramCache]: Analyzing trace with hash -278170955, now seen corresponding path program 1 times [2022-10-16 04:04:23,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:23,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227354806] [2022-10-16 04:04:23,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:23,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:23,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:23,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:23,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227354806] [2022-10-16 04:04:23,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227354806] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:23,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:23,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:23,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239191076] [2022-10-16 04:04:23,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:23,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:23,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:23,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:23,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:23,681 INFO L87 Difference]: Start difference. First operand 2774 states and 3962 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:28,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:28,246 INFO L93 Difference]: Finished difference Result 4650 states and 6656 transitions. [2022-10-16 04:04:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:04:28,247 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:28,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:28,253 INFO L225 Difference]: With dead ends: 4650 [2022-10-16 04:04:28,253 INFO L226 Difference]: Without dead ends: 4650 [2022-10-16 04:04:28,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:04:28,255 INFO L413 NwaCegarLoop]: 1931 mSDtfsCounter, 13484 mSDsluCounter, 6295 mSDsCounter, 0 mSdLazyCounter, 6636 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13484 SdHoareTripleChecker+Valid, 8226 SdHoareTripleChecker+Invalid, 6709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 6636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:28,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13484 Valid, 8226 Invalid, 6709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [73 Valid, 6636 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 04:04:28,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2022-10-16 04:04:28,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 2774. [2022-10-16 04:04:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4468396054073804) internal successors, (3960), 2773 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3960 transitions. [2022-10-16 04:04:28,297 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3960 transitions. Word has length 129 [2022-10-16 04:04:28,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:28,298 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3960 transitions. [2022-10-16 04:04:28,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3960 transitions. [2022-10-16 04:04:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:04:28,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:28,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:28,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 04:04:28,301 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:28,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:28,302 INFO L85 PathProgramCache]: Analyzing trace with hash -155348533, now seen corresponding path program 1 times [2022-10-16 04:04:28,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:28,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376580340] [2022-10-16 04:04:28,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:28,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:28,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:28,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376580340] [2022-10-16 04:04:28,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376580340] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:28,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:28,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:28,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452616061] [2022-10-16 04:04:28,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:28,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:28,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:28,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:28,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:28,714 INFO L87 Difference]: Start difference. First operand 2774 states and 3960 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:32,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:32,928 INFO L93 Difference]: Finished difference Result 4626 states and 6612 transitions. [2022-10-16 04:04:32,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:04:32,929 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:32,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:32,932 INFO L225 Difference]: With dead ends: 4626 [2022-10-16 04:04:32,933 INFO L226 Difference]: Without dead ends: 4626 [2022-10-16 04:04:32,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:04:32,933 INFO L413 NwaCegarLoop]: 1812 mSDtfsCounter, 6619 mSDsluCounter, 5984 mSDsCounter, 0 mSdLazyCounter, 6391 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6619 SdHoareTripleChecker+Valid, 7796 SdHoareTripleChecker+Invalid, 6454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 6391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:32,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6619 Valid, 7796 Invalid, 6454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 6391 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 04:04:32,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2022-10-16 04:04:32,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 2774. [2022-10-16 04:04:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4461088783339422) internal successors, (3958), 2773 states have internal predecessors, (3958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3958 transitions. [2022-10-16 04:04:32,968 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3958 transitions. Word has length 129 [2022-10-16 04:04:32,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:32,969 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3958 transitions. [2022-10-16 04:04:32,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3958 transitions. [2022-10-16 04:04:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:04:32,972 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:32,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:32,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 04:04:32,972 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:32,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:32,973 INFO L85 PathProgramCache]: Analyzing trace with hash 198098984, now seen corresponding path program 1 times [2022-10-16 04:04:32,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:32,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607787148] [2022-10-16 04:04:32,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:33,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:33,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607787148] [2022-10-16 04:04:33,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607787148] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:33,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:33,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:33,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803536216] [2022-10-16 04:04:33,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:33,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:33,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:33,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:33,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:33,438 INFO L87 Difference]: Start difference. First operand 2774 states and 3958 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:37,663 INFO L93 Difference]: Finished difference Result 4626 states and 6610 transitions. [2022-10-16 04:04:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:04:37,665 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:37,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:37,671 INFO L225 Difference]: With dead ends: 4626 [2022-10-16 04:04:37,671 INFO L226 Difference]: Without dead ends: 4626 [2022-10-16 04:04:37,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:04:37,672 INFO L413 NwaCegarLoop]: 1812 mSDtfsCounter, 10036 mSDsluCounter, 5988 mSDsCounter, 0 mSdLazyCounter, 6384 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10036 SdHoareTripleChecker+Valid, 7800 SdHoareTripleChecker+Invalid, 6479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 6384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:37,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10036 Valid, 7800 Invalid, 6479 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [95 Valid, 6384 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 04:04:37,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2022-10-16 04:04:37,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 2774. [2022-10-16 04:04:37,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4453781512605042) internal successors, (3956), 2773 states have internal predecessors, (3956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3956 transitions. [2022-10-16 04:04:37,711 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3956 transitions. Word has length 129 [2022-10-16 04:04:37,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:37,711 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3956 transitions. [2022-10-16 04:04:37,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3956 transitions. [2022-10-16 04:04:37,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:04:37,714 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:37,714 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:37,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 04:04:37,715 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:37,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:37,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1804232376, now seen corresponding path program 1 times [2022-10-16 04:04:37,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:37,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543292312] [2022-10-16 04:04:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:37,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:38,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:38,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:38,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543292312] [2022-10-16 04:04:38,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543292312] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:38,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:38,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:38,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744280707] [2022-10-16 04:04:38,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:38,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:38,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:38,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:38,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:38,141 INFO L87 Difference]: Start difference. First operand 2774 states and 3956 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:42,542 INFO L93 Difference]: Finished difference Result 4650 states and 6646 transitions. [2022-10-16 04:04:42,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:04:42,542 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:42,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:42,548 INFO L225 Difference]: With dead ends: 4650 [2022-10-16 04:04:42,548 INFO L226 Difference]: Without dead ends: 4650 [2022-10-16 04:04:42,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:04:42,549 INFO L413 NwaCegarLoop]: 2063 mSDtfsCounter, 9527 mSDsluCounter, 6434 mSDsCounter, 0 mSdLazyCounter, 6862 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9527 SdHoareTripleChecker+Valid, 8497 SdHoareTripleChecker+Invalid, 6912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 6862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:42,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9527 Valid, 8497 Invalid, 6912 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [50 Valid, 6862 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 04:04:42,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2022-10-16 04:04:42,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 2774. [2022-10-16 04:04:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4446474241870662) internal successors, (3954), 2773 states have internal predecessors, (3954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3954 transitions. [2022-10-16 04:04:42,593 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3954 transitions. Word has length 129 [2022-10-16 04:04:42,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:42,594 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3954 transitions. [2022-10-16 04:04:42,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:42,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3954 transitions. [2022-10-16 04:04:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:04:42,597 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:42,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:42,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 04:04:42,598 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:42,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:42,598 INFO L85 PathProgramCache]: Analyzing trace with hash 377874393, now seen corresponding path program 1 times [2022-10-16 04:04:42,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:42,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626583656] [2022-10-16 04:04:42,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:42,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:43,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:43,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626583656] [2022-10-16 04:04:43,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626583656] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:43,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:43,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:43,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74045322] [2022-10-16 04:04:43,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:43,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:43,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:43,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:43,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:43,038 INFO L87 Difference]: Start difference. First operand 2774 states and 3954 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:47,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:47,575 INFO L93 Difference]: Finished difference Result 4650 states and 6644 transitions. [2022-10-16 04:04:47,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:04:47,576 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:47,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:47,581 INFO L225 Difference]: With dead ends: 4650 [2022-10-16 04:04:47,581 INFO L226 Difference]: Without dead ends: 4650 [2022-10-16 04:04:47,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:04:47,582 INFO L413 NwaCegarLoop]: 1927 mSDtfsCounter, 13442 mSDsluCounter, 6316 mSDsCounter, 0 mSdLazyCounter, 6622 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13442 SdHoareTripleChecker+Valid, 8243 SdHoareTripleChecker+Invalid, 6695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 6622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:47,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13442 Valid, 8243 Invalid, 6695 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [73 Valid, 6622 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-16 04:04:47,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2022-10-16 04:04:47,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 2774. [2022-10-16 04:04:47,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4439166971136281) internal successors, (3952), 2773 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3952 transitions. [2022-10-16 04:04:47,627 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3952 transitions. Word has length 129 [2022-10-16 04:04:47,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:47,627 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3952 transitions. [2022-10-16 04:04:47,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:47,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3952 transitions. [2022-10-16 04:04:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 04:04:47,632 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:47,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:47,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 04:04:47,633 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:47,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:47,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1295720559, now seen corresponding path program 1 times [2022-10-16 04:04:47,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:47,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426439219] [2022-10-16 04:04:47,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:47,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:48,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:48,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426439219] [2022-10-16 04:04:48,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426439219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:48,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:48,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:48,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720482467] [2022-10-16 04:04:48,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:48,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:48,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:48,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:48,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:48,036 INFO L87 Difference]: Start difference. First operand 2774 states and 3952 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:52,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:52,427 INFO L93 Difference]: Finished difference Result 4626 states and 6604 transitions. [2022-10-16 04:04:52,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:04:52,427 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 04:04:52,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:52,433 INFO L225 Difference]: With dead ends: 4626 [2022-10-16 04:04:52,433 INFO L226 Difference]: Without dead ends: 4626 [2022-10-16 04:04:52,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:04:52,434 INFO L413 NwaCegarLoop]: 1971 mSDtfsCounter, 9413 mSDsluCounter, 6472 mSDsCounter, 0 mSdLazyCounter, 6946 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9413 SdHoareTripleChecker+Valid, 8443 SdHoareTripleChecker+Invalid, 7036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 6946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:52,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9413 Valid, 8443 Invalid, 7036 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [90 Valid, 6946 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 04:04:52,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2022-10-16 04:04:52,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 2774. [2022-10-16 04:04:52,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.44318597004019) internal successors, (3950), 2773 states have internal predecessors, (3950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:52,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3950 transitions. [2022-10-16 04:04:52,472 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3950 transitions. Word has length 129 [2022-10-16 04:04:52,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:52,472 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3950 transitions. [2022-10-16 04:04:52,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:52,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3950 transitions. [2022-10-16 04:04:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 04:04:52,475 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:52,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:52,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 04:04:52,476 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:52,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:52,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1007777001, now seen corresponding path program 1 times [2022-10-16 04:04:52,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:52,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682343068] [2022-10-16 04:04:52,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:52,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:52,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:52,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:52,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682343068] [2022-10-16 04:04:52,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682343068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:52,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:52,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:52,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190975564] [2022-10-16 04:04:52,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:52,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:52,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:52,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:52,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:52,917 INFO L87 Difference]: Start difference. First operand 2774 states and 3950 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:58,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:58,334 INFO L93 Difference]: Finished difference Result 4626 states and 6603 transitions. [2022-10-16 04:04:58,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:04:58,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-16 04:04:58,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:58,340 INFO L225 Difference]: With dead ends: 4626 [2022-10-16 04:04:58,341 INFO L226 Difference]: Without dead ends: 4626 [2022-10-16 04:04:58,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:04:58,342 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 8677 mSDsluCounter, 8341 mSDsCounter, 0 mSdLazyCounter, 8543 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8677 SdHoareTripleChecker+Valid, 10433 SdHoareTripleChecker+Invalid, 8621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 8543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:58,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8677 Valid, 10433 Invalid, 8621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [78 Valid, 8543 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-16 04:04:58,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2022-10-16 04:04:58,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 2770. [2022-10-16 04:04:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2733 states have (on average 1.4434687156970363) internal successors, (3945), 2769 states have internal predecessors, (3945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3945 transitions. [2022-10-16 04:04:58,379 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3945 transitions. Word has length 130 [2022-10-16 04:04:58,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:58,379 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3945 transitions. [2022-10-16 04:04:58,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3945 transitions. [2022-10-16 04:04:58,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 04:04:58,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:58,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:58,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 04:04:58,382 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:04:58,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:58,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1785995811, now seen corresponding path program 1 times [2022-10-16 04:04:58,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:58,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473286328] [2022-10-16 04:04:58,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:58,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:58,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:58,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473286328] [2022-10-16 04:04:58,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473286328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:58,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:58,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:58,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770815288] [2022-10-16 04:04:58,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:58,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:58,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:58,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:58,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:58,749 INFO L87 Difference]: Start difference. First operand 2770 states and 3945 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:03,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:05:03,353 INFO L93 Difference]: Finished difference Result 4646 states and 6636 transitions. [2022-10-16 04:05:03,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:05:03,353 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-16 04:05:03,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:05:03,360 INFO L225 Difference]: With dead ends: 4646 [2022-10-16 04:05:03,360 INFO L226 Difference]: Without dead ends: 4646 [2022-10-16 04:05:03,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:05:03,361 INFO L413 NwaCegarLoop]: 2125 mSDtfsCounter, 6200 mSDsluCounter, 6635 mSDsCounter, 0 mSdLazyCounter, 7144 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6200 SdHoareTripleChecker+Valid, 8760 SdHoareTripleChecker+Invalid, 7179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 7144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:05:03,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6200 Valid, 8760 Invalid, 7179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 7144 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 04:05:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4646 states. [2022-10-16 04:05:03,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4646 to 2766. [2022-10-16 04:05:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2729 states have (on average 1.4437522902161963) internal successors, (3940), 2765 states have internal predecessors, (3940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3940 transitions. [2022-10-16 04:05:03,418 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3940 transitions. Word has length 130 [2022-10-16 04:05:03,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:05:03,418 INFO L495 AbstractCegarLoop]: Abstraction has 2766 states and 3940 transitions. [2022-10-16 04:05:03,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:03,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3940 transitions. [2022-10-16 04:05:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 04:05:03,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:05:03,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:05:03,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 04:05:03,424 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 35 more)] === [2022-10-16 04:05:03,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:05:03,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1476058932, now seen corresponding path program 1 times [2022-10-16 04:05:03,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:05:03,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132210416] [2022-10-16 04:05:03,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:05:03,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:05:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:05:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:05:03,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:05:03,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132210416] [2022-10-16 04:05:03,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132210416] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:05:03,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:05:03,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:05:03,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707009169] [2022-10-16 04:05:03,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:05:03,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:05:03,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:05:03,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:05:03,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:05:03,883 INFO L87 Difference]: Start difference. First operand 2766 states and 3940 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)