/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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:58:51,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:58:51,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:58:51,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 03:58:51,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 03:58:51,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 03:58:51,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 03:58:51,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 03:58:51,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 03:58:51,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 03:58:51,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 03:58:51,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 03:58:51,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:58:51,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:58:51,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:58:51,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:58:51,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:58:51,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:58:51,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:58:51,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:58:51,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:58:51,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:58:51,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:58:51,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:58:51,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 03:58:51,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:58:51,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:58:51,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:58:51,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 03:58:51,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:58:51,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:58:51,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:58:51,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:58:51,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:58:51,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:58:51,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:58:51,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:58:51,744 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:58:51,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:58:51,744 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:58:51,744 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:58:51,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:58:51,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:58:51,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:58:51,745 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:58:51,746 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:58:51,746 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:58:51,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:58:51,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:58:51,746 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:58:51,747 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:58:51,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:58:51,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:58:51,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:58:51,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:58:51,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:58:51,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:58:51,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:58:51,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:58:51,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:58:52,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:58:52,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:58:52,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:58:52,224 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:58:52,225 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:58:52,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-16 03:58:52,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ab564db/d083cd5537c04c24bc4d2c399a85508d/FLAGa8820bcf3 [2022-10-16 03:58:53,414 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:58:53,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-16 03:58:53,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ab564db/d083cd5537c04c24bc4d2c399a85508d/FLAGa8820bcf3 [2022-10-16 03:58:53,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ab564db/d083cd5537c04c24bc4d2c399a85508d [2022-10-16 03:58:53,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:58:53,883 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:58:53,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:58:53,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:58:53,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:58:53,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:58:53" (1/1) ... [2022-10-16 03:58:53,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58be49ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:53, skipping insertion in model container [2022-10-16 03:58:53,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:58:53" (1/1) ... [2022-10-16 03:58:53,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:58:54,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:58:54,760 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17604,17617] [2022-10-16 03:58:54,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22921,22934] [2022-10-16 03:58:54,862 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24278,24291] [2022-10-16 03:58:54,878 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25086,25099] [2022-10-16 03:58:54,911 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26814,26827] [2022-10-16 03:58:54,921 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27622,27635] [2022-10-16 03:58:54,931 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28801,28814] [2022-10-16 03:58:54,967 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31541,31554] [2022-10-16 03:58:54,981 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32352,32365] [2022-10-16 03:58:55,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33534,33547] [2022-10-16 03:58:55,018 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35725,35738] [2022-10-16 03:58:55,056 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39985,39998] [2022-10-16 03:58:55,063 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40796,40809] [2022-10-16 03:58:55,086 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41978,41991] [2022-10-16 03:58:55,104 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44169,44182] [2022-10-16 03:58:55,127 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47880,47893] [2022-10-16 03:58:55,163 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54627,54640] [2022-10-16 03:58:55,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55438,55451] [2022-10-16 03:58:55,178 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56581,56594] [2022-10-16 03:58:55,192 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58733,58746] [2022-10-16 03:58:55,219 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62650,62663] [2022-10-16 03:58:55,268 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69599,69612] [2022-10-16 03:58:55,342 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82335,82348] [2022-10-16 03:58:55,350 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83146,83159] [2022-10-16 03:58:55,387 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84328,84341] [2022-10-16 03:58:55,405 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86519,86532] [2022-10-16 03:58:55,431 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90230,90243] [2022-10-16 03:58:55,478 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96428,96441] [2022-10-16 03:58:55,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[107019,107032] [2022-10-16 03:58:56,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:58:56,515 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:58:56,619 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17604,17617] [2022-10-16 03:58:56,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22921,22934] [2022-10-16 03:58:56,644 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24278,24291] [2022-10-16 03:58:56,650 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25086,25099] [2022-10-16 03:58:56,659 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26814,26827] [2022-10-16 03:58:56,664 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27622,27635] [2022-10-16 03:58:56,670 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28801,28814] [2022-10-16 03:58:56,683 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31541,31554] [2022-10-16 03:58:56,689 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32352,32365] [2022-10-16 03:58:56,695 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33534,33547] [2022-10-16 03:58:56,706 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35725,35738] [2022-10-16 03:58:56,724 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39985,39998] [2022-10-16 03:58:56,730 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40796,40809] [2022-10-16 03:58:56,737 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41978,41991] [2022-10-16 03:58:56,747 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44169,44182] [2022-10-16 03:58:56,763 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47880,47893] [2022-10-16 03:58:56,791 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54627,54640] [2022-10-16 03:58:56,797 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55438,55451] [2022-10-16 03:58:56,804 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56581,56594] [2022-10-16 03:58:56,815 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58733,58746] [2022-10-16 03:58:56,869 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62650,62663] [2022-10-16 03:58:56,910 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69599,69612] [2022-10-16 03:58:56,965 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82335,82348] [2022-10-16 03:58:56,971 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83146,83159] [2022-10-16 03:58:56,978 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84328,84341] [2022-10-16 03:58:56,991 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86519,86532] [2022-10-16 03:58:57,009 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90230,90243] [2022-10-16 03:58:57,039 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96428,96441] [2022-10-16 03:58:57,086 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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[107019,107032] [2022-10-16 03:58:57,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:58:57,773 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:58:57,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57 WrapperNode [2022-10-16 03:58:57,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:58:57,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:58:57,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:58:57,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:58:57,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:57,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:58,153 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12603 [2022-10-16 03:58:58,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:58:58,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:58:58,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:58:58,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:58:58,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:58,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:58,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:58,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:58,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:58,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:58,465 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:58,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:58,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:58:58,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:58:58,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:58:58,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:58:58,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (1/1) ... [2022-10-16 03:58:58,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:58:58,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:58:58,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 03:58:58,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 03:58:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:58:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:58:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:58:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:58:59,103 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:58:59,106 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:59:04,685 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:59:04,712 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:59:04,712 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:59:04,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:59:04 BoogieIcfgContainer [2022-10-16 03:59:04,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:59:04,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:59:04,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:59:04,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:59:04,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:58:53" (1/3) ... [2022-10-16 03:59:04,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a08212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:59:04, skipping insertion in model container [2022-10-16 03:59:04,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:58:57" (2/3) ... [2022-10-16 03:59:04,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a08212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:59:04, skipping insertion in model container [2022-10-16 03:59:04,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:59:04" (3/3) ... [2022-10-16 03:59:04,730 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-16 03:59:04,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:59:04,754 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-10-16 03:59:04,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:59:04,852 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;@a490a28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:59:04,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-10-16 03:59:04,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 2083 states, 2052 states have (on average 1.8611111111111112) internal successors, (3819), 2082 states have internal predecessors, (3819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:04,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:59:04,874 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:04,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:59:04,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:04,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:04,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1223365, now seen corresponding path program 1 times [2022-10-16 03:59:04,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:04,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060165526] [2022-10-16 03:59:04,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:04,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:05,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:05,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:05,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060165526] [2022-10-16 03:59:05,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060165526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:05,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:05,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:59:05,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773466585] [2022-10-16 03:59:05,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:05,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:59:05,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:05,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:59:05,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:59:05,434 INFO L87 Difference]: Start difference. First operand has 2083 states, 2052 states have (on average 1.8611111111111112) internal successors, (3819), 2082 states have internal predecessors, (3819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:05,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:05,626 INFO L93 Difference]: Finished difference Result 2082 states and 3789 transitions. [2022-10-16 03:59:05,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:59:05,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 03:59:05,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:05,670 INFO L225 Difference]: With dead ends: 2082 [2022-10-16 03:59:05,670 INFO L226 Difference]: Without dead ends: 2079 [2022-10-16 03:59:05,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:59:05,677 INFO L413 NwaCegarLoop]: 3788 mSDtfsCounter, 3786 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3786 SdHoareTripleChecker+Valid, 3788 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:05,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3786 Valid, 3788 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:59:05,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2022-10-16 03:59:05,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 2079. [2022-10-16 03:59:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2079 states, 2050 states have (on average 1.2770731707317073) internal successors, (2618), 2078 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2618 transitions. [2022-10-16 03:59:05,820 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2618 transitions. Word has length 4 [2022-10-16 03:59:05,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:05,821 INFO L495 AbstractCegarLoop]: Abstraction has 2079 states and 2618 transitions. [2022-10-16 03:59:05,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2618 transitions. [2022-10-16 03:59:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:59:05,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:05,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:05,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:59:05,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:05,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:05,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1477171740, now seen corresponding path program 1 times [2022-10-16 03:59:05,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:05,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401190048] [2022-10-16 03:59:05,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:05,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:06,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:06,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:06,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401190048] [2022-10-16 03:59:06,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401190048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:06,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:06,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:59:06,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260674933] [2022-10-16 03:59:06,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:06,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:59:06,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:06,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:59:06,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:59:06,450 INFO L87 Difference]: Start difference. First operand 2079 states and 2618 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:08,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:08,180 INFO L93 Difference]: Finished difference Result 2156 states and 2855 transitions. [2022-10-16 03:59:08,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:59:08,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:59:08,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:08,195 INFO L225 Difference]: With dead ends: 2156 [2022-10-16 03:59:08,196 INFO L226 Difference]: Without dead ends: 2156 [2022-10-16 03:59:08,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:59:08,198 INFO L413 NwaCegarLoop]: 1203 mSDtfsCounter, 7679 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7679 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:08,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7679 Valid, 1657 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1205 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:59:08,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2022-10-16 03:59:08,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2054. [2022-10-16 03:59:08,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 2025 states have (on average 1.3688888888888888) internal successors, (2772), 2053 states have internal predecessors, (2772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:08,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2772 transitions. [2022-10-16 03:59:08,271 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2772 transitions. Word has length 101 [2022-10-16 03:59:08,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:08,272 INFO L495 AbstractCegarLoop]: Abstraction has 2054 states and 2772 transitions. [2022-10-16 03:59:08,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2772 transitions. [2022-10-16 03:59:08,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:59:08,280 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:08,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:08,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:59:08,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:08,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:08,282 INFO L85 PathProgramCache]: Analyzing trace with hash 951904542, now seen corresponding path program 1 times [2022-10-16 03:59:08,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:08,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44535992] [2022-10-16 03:59:08,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:08,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:08,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:08,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44535992] [2022-10-16 03:59:08,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44535992] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:08,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:08,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:59:08,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359055107] [2022-10-16 03:59:08,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:08,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:59:08,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:08,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:59:08,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:59:08,637 INFO L87 Difference]: Start difference. First operand 2054 states and 2772 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:09,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:09,681 INFO L93 Difference]: Finished difference Result 1822 states and 2506 transitions. [2022-10-16 03:59:09,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:59:09,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 03:59:09,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:09,693 INFO L225 Difference]: With dead ends: 1822 [2022-10-16 03:59:09,693 INFO L226 Difference]: Without dead ends: 1822 [2022-10-16 03:59:09,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:59:09,695 INFO L413 NwaCegarLoop]: 974 mSDtfsCounter, 5185 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5185 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:09,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5185 Valid, 1010 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:59:09,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2022-10-16 03:59:09,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1822. [2022-10-16 03:59:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1793 states have (on average 1.3976575571667595) internal successors, (2506), 1821 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2506 transitions. [2022-10-16 03:59:09,742 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2506 transitions. Word has length 102 [2022-10-16 03:59:09,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:09,743 INFO L495 AbstractCegarLoop]: Abstraction has 1822 states and 2506 transitions. [2022-10-16 03:59:09,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2506 transitions. [2022-10-16 03:59:09,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:59:09,748 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:09,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:09,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:59:09,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:09,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:09,750 INFO L85 PathProgramCache]: Analyzing trace with hash -873201018, now seen corresponding path program 1 times [2022-10-16 03:59:09,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:09,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649348422] [2022-10-16 03:59:09,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:09,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:10,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:10,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649348422] [2022-10-16 03:59:10,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649348422] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:10,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:10,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:59:10,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404615554] [2022-10-16 03:59:10,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:10,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:59:10,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:10,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:59:10,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:59:10,038 INFO L87 Difference]: Start difference. First operand 1822 states and 2506 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:11,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:11,135 INFO L93 Difference]: Finished difference Result 1742 states and 2408 transitions. [2022-10-16 03:59:11,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:59:11,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 03:59:11,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:11,146 INFO L225 Difference]: With dead ends: 1742 [2022-10-16 03:59:11,147 INFO L226 Difference]: Without dead ends: 1742 [2022-10-16 03:59:11,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:59:11,149 INFO L413 NwaCegarLoop]: 722 mSDtfsCounter, 4732 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4732 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:11,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4732 Valid, 774 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:59:11,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2022-10-16 03:59:11,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1742. [2022-10-16 03:59:11,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.4057209573847051) internal successors, (2408), 1741 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:11,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2408 transitions. [2022-10-16 03:59:11,197 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2408 transitions. Word has length 103 [2022-10-16 03:59:11,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:11,197 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2408 transitions. [2022-10-16 03:59:11,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:11,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2408 transitions. [2022-10-16 03:59:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 03:59:11,202 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:11,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:11,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:59:11,203 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:11,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:11,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1608818971, now seen corresponding path program 1 times [2022-10-16 03:59:11,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:11,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524993393] [2022-10-16 03:59:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:11,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:11,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:11,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:11,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524993393] [2022-10-16 03:59:11,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524993393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:11,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:11,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:59:11,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400148808] [2022-10-16 03:59:11,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:11,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:59:11,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:11,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:59:11,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:59:11,524 INFO L87 Difference]: Start difference. First operand 1742 states and 2408 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:12,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:12,337 INFO L93 Difference]: Finished difference Result 1654 states and 2310 transitions. [2022-10-16 03:59:12,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:59:12,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 03:59:12,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:12,348 INFO L225 Difference]: With dead ends: 1654 [2022-10-16 03:59:12,348 INFO L226 Difference]: Without dead ends: 1654 [2022-10-16 03:59:12,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:59:12,350 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 4637 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4637 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:12,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4637 Valid, 890 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:59:12,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-10-16 03:59:12,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2022-10-16 03:59:12,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1625 states have (on average 1.4215384615384616) internal successors, (2310), 1653 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2310 transitions. [2022-10-16 03:59:12,400 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2310 transitions. Word has length 104 [2022-10-16 03:59:12,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:12,401 INFO L495 AbstractCegarLoop]: Abstraction has 1654 states and 2310 transitions. [2022-10-16 03:59:12,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:12,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2310 transitions. [2022-10-16 03:59:12,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 03:59:12,406 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:12,406 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] [2022-10-16 03:59:12,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:59:12,407 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:12,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:12,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1915103433, now seen corresponding path program 1 times [2022-10-16 03:59:12,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:12,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470299319] [2022-10-16 03:59:12,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:12,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:12,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:12,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470299319] [2022-10-16 03:59:12,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470299319] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:12,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:12,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:59:12,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099541740] [2022-10-16 03:59:12,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:12,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:59:12,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:12,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:59:12,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:59:12,667 INFO L87 Difference]: Start difference. First operand 1654 states and 2310 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:13,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:13,515 INFO L93 Difference]: Finished difference Result 1601 states and 2251 transitions. [2022-10-16 03:59:13,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:59:13,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 03:59:13,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:13,525 INFO L225 Difference]: With dead ends: 1601 [2022-10-16 03:59:13,526 INFO L226 Difference]: Without dead ends: 1601 [2022-10-16 03:59:13,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:59:13,527 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 4501 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4501 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:13,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4501 Valid, 861 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:59:13,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2022-10-16 03:59:13,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1601. [2022-10-16 03:59:13,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1572 states have (on average 1.4319338422391859) internal successors, (2251), 1600 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:13,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2251 transitions. [2022-10-16 03:59:13,567 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2251 transitions. Word has length 105 [2022-10-16 03:59:13,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:13,567 INFO L495 AbstractCegarLoop]: Abstraction has 1601 states and 2251 transitions. [2022-10-16 03:59:13,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2251 transitions. [2022-10-16 03:59:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 03:59:13,572 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:13,572 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] [2022-10-16 03:59:13,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:59:13,572 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:13,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:13,573 INFO L85 PathProgramCache]: Analyzing trace with hash -578368317, now seen corresponding path program 1 times [2022-10-16 03:59:13,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:13,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036320214] [2022-10-16 03:59:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:13,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:13,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:13,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036320214] [2022-10-16 03:59:13,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036320214] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:13,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:13,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:59:13,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391121165] [2022-10-16 03:59:13,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:13,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:59:13,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:13,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:59:13,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:59:13,807 INFO L87 Difference]: Start difference. First operand 1601 states and 2251 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:14,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:14,537 INFO L93 Difference]: Finished difference Result 1576 states and 2222 transitions. [2022-10-16 03:59:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:59:14,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-16 03:59:14,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:14,546 INFO L225 Difference]: With dead ends: 1576 [2022-10-16 03:59:14,546 INFO L226 Difference]: Without dead ends: 1576 [2022-10-16 03:59:14,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:59:14,547 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 4400 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4400 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:14,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4400 Valid, 848 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:59:14,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2022-10-16 03:59:14,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2022-10-16 03:59:14,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.436328377504848) internal successors, (2222), 1575 states have internal predecessors, (2222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2222 transitions. [2022-10-16 03:59:14,594 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2222 transitions. Word has length 106 [2022-10-16 03:59:14,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:14,595 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2222 transitions. [2022-10-16 03:59:14,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:14,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2222 transitions. [2022-10-16 03:59:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 03:59:14,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:14,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:14,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:59:14,600 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:14,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:14,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1323333204, now seen corresponding path program 1 times [2022-10-16 03:59:14,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:14,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683092502] [2022-10-16 03:59:14,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:14,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:14,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:14,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683092502] [2022-10-16 03:59:14,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683092502] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:14,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:14,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:59:14,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139830541] [2022-10-16 03:59:14,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:14,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:59:14,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:14,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:59:14,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:59:14,878 INFO L87 Difference]: Start difference. First operand 1576 states and 2222 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:15,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:15,674 INFO L93 Difference]: Finished difference Result 1568 states and 2211 transitions. [2022-10-16 03:59:15,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:59:15,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 03:59:15,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:15,683 INFO L225 Difference]: With dead ends: 1568 [2022-10-16 03:59:15,684 INFO L226 Difference]: Without dead ends: 1568 [2022-10-16 03:59:15,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:59:15,685 INFO L413 NwaCegarLoop]: 737 mSDtfsCounter, 4253 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4253 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:15,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4253 Valid, 781 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:59:15,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2022-10-16 03:59:15,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1568. [2022-10-16 03:59:15,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4366471734892787) internal successors, (2211), 1567 states have internal predecessors, (2211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2211 transitions. [2022-10-16 03:59:15,732 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2211 transitions. Word has length 107 [2022-10-16 03:59:15,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:15,732 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2211 transitions. [2022-10-16 03:59:15,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:15,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2211 transitions. [2022-10-16 03:59:15,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 03:59:15,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:15,737 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] [2022-10-16 03:59:15,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:59:15,737 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:15,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:15,738 INFO L85 PathProgramCache]: Analyzing trace with hash 65664385, now seen corresponding path program 1 times [2022-10-16 03:59:15,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:15,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853761556] [2022-10-16 03:59:15,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:15,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:16,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:16,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853761556] [2022-10-16 03:59:16,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853761556] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:16,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:16,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 03:59:16,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920194850] [2022-10-16 03:59:16,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:16,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 03:59:16,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:16,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 03:59:16,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:59:16,536 INFO L87 Difference]: Start difference. First operand 1568 states and 2211 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:18,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:18,990 INFO L93 Difference]: Finished difference Result 2757 states and 3904 transitions. [2022-10-16 03:59:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:59:18,991 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 03:59:18,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:19,005 INFO L225 Difference]: With dead ends: 2757 [2022-10-16 03:59:19,005 INFO L226 Difference]: Without dead ends: 2757 [2022-10-16 03:59:19,006 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 03:59:19,007 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 9207 mSDsluCounter, 3693 mSDsCounter, 0 mSdLazyCounter, 3783 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9207 SdHoareTripleChecker+Valid, 4571 SdHoareTripleChecker+Invalid, 3872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 3783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:19,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9207 Valid, 4571 Invalid, 3872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 3783 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 03:59:19,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-10-16 03:59:19,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 1568. [2022-10-16 03:59:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4353476283300846) internal successors, (2209), 1567 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:19,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2209 transitions. [2022-10-16 03:59:19,057 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2209 transitions. Word has length 108 [2022-10-16 03:59:19,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:19,057 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2209 transitions. [2022-10-16 03:59:19,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2209 transitions. [2022-10-16 03:59:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 03:59:19,061 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:19,061 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] [2022-10-16 03:59:19,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:59:19,062 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:19,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:19,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1945173323, now seen corresponding path program 1 times [2022-10-16 03:59:19,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:19,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063079880] [2022-10-16 03:59:19,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:19,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:19,770 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 03:59:19,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:19,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063079880] [2022-10-16 03:59:19,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063079880] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:19,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:19,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 03:59:19,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143129469] [2022-10-16 03:59:19,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:19,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 03:59:19,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:19,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 03:59:19,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:59:19,773 INFO L87 Difference]: Start difference. First operand 1568 states and 2209 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:22,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:22,206 INFO L93 Difference]: Finished difference Result 2685 states and 3776 transitions. [2022-10-16 03:59:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:59:22,206 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 03:59:22,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:22,220 INFO L225 Difference]: With dead ends: 2685 [2022-10-16 03:59:22,220 INFO L226 Difference]: Without dead ends: 2685 [2022-10-16 03:59:22,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-10-16 03:59:22,221 INFO L413 NwaCegarLoop]: 866 mSDtfsCounter, 4519 mSDsluCounter, 3551 mSDsCounter, 0 mSdLazyCounter, 3674 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4519 SdHoareTripleChecker+Valid, 4417 SdHoareTripleChecker+Invalid, 3815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 3674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:22,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4519 Valid, 4417 Invalid, 3815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 3674 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 03:59:22,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-10-16 03:59:22,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 1568. [2022-10-16 03:59:22,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4340480831708902) internal successors, (2207), 1567 states have internal predecessors, (2207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2207 transitions. [2022-10-16 03:59:22,270 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2207 transitions. Word has length 108 [2022-10-16 03:59:22,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:22,271 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2207 transitions. [2022-10-16 03:59:22,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2207 transitions. [2022-10-16 03:59:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 03:59:22,275 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:22,276 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] [2022-10-16 03:59:22,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:59:22,276 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:22,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:22,277 INFO L85 PathProgramCache]: Analyzing trace with hash 2067995745, now seen corresponding path program 1 times [2022-10-16 03:59:22,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:22,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735098004] [2022-10-16 03:59:22,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:22,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:22,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:22,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735098004] [2022-10-16 03:59:22,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735098004] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:22,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:22,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:59:22,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092115155] [2022-10-16 03:59:22,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:22,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:59:22,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:22,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:59:22,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:59:22,760 INFO L87 Difference]: Start difference. First operand 1568 states and 2207 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:24,403 INFO L93 Difference]: Finished difference Result 2051 states and 2766 transitions. [2022-10-16 03:59:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:59:24,404 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 03:59:24,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:24,412 INFO L225 Difference]: With dead ends: 2051 [2022-10-16 03:59:24,412 INFO L226 Difference]: Without dead ends: 2051 [2022-10-16 03:59:24,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:59:24,413 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 6427 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6427 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 2135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:24,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6427 Valid, 1666 Invalid, 2135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1934 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:59:24,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2051 states. [2022-10-16 03:59:24,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2051 to 1568. [2022-10-16 03:59:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.433398310591293) internal successors, (2206), 1567 states have internal predecessors, (2206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:24,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2206 transitions. [2022-10-16 03:59:24,456 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2206 transitions. Word has length 108 [2022-10-16 03:59:24,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:24,457 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2206 transitions. [2022-10-16 03:59:24,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2206 transitions. [2022-10-16 03:59:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 03:59:24,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:24,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:24,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:59:24,462 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:24,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:24,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1618229889, now seen corresponding path program 1 times [2022-10-16 03:59:24,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:24,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021153932] [2022-10-16 03:59:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:24,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:24,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:24,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021153932] [2022-10-16 03:59:24,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021153932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:24,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:24,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:24,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550540632] [2022-10-16 03:59:24,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:24,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:24,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:24,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:24,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:24,941 INFO L87 Difference]: Start difference. First operand 1568 states and 2206 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:27,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:27,178 INFO L93 Difference]: Finished difference Result 2765 states and 3905 transitions. [2022-10-16 03:59:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:27,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 03:59:27,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:27,193 INFO L225 Difference]: With dead ends: 2765 [2022-10-16 03:59:27,193 INFO L226 Difference]: Without dead ends: 2765 [2022-10-16 03:59:27,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:27,194 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 4356 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 3112 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4356 SdHoareTripleChecker+Valid, 3822 SdHoareTripleChecker+Invalid, 3151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 3112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:27,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4356 Valid, 3822 Invalid, 3151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 3112 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 03:59:27,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-10-16 03:59:27,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-10-16 03:59:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.432748538011696) internal successors, (2205), 1567 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2205 transitions. [2022-10-16 03:59:27,329 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2205 transitions. Word has length 108 [2022-10-16 03:59:27,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:27,329 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2205 transitions. [2022-10-16 03:59:27,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2205 transitions. [2022-10-16 03:59:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 03:59:27,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:27,335 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] [2022-10-16 03:59:27,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:59:27,335 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:27,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:27,336 INFO L85 PathProgramCache]: Analyzing trace with hash 180174419, now seen corresponding path program 1 times [2022-10-16 03:59:27,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:27,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396397291] [2022-10-16 03:59:27,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:27,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:28,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:28,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396397291] [2022-10-16 03:59:28,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396397291] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:28,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:28,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:28,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098517793] [2022-10-16 03:59:28,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:28,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:28,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:28,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:28,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:28,102 INFO L87 Difference]: Start difference. First operand 1568 states and 2205 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:31,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:31,023 INFO L93 Difference]: Finished difference Result 2794 states and 3910 transitions. [2022-10-16 03:59:31,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:59:31,024 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 03:59:31,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:31,038 INFO L225 Difference]: With dead ends: 2794 [2022-10-16 03:59:31,038 INFO L226 Difference]: Without dead ends: 2794 [2022-10-16 03:59:31,039 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 03:59:31,039 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 6595 mSDsluCounter, 4246 mSDsCounter, 0 mSdLazyCounter, 4421 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6595 SdHoareTripleChecker+Valid, 5122 SdHoareTripleChecker+Invalid, 4602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 4421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:31,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6595 Valid, 5122 Invalid, 4602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 4421 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 03:59:31,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2022-10-16 03:59:31,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 1587. [2022-10-16 03:59:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1558 states have (on average 1.4332477535301669) internal successors, (2233), 1586 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2233 transitions. [2022-10-16 03:59:31,102 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2233 transitions. Word has length 108 [2022-10-16 03:59:31,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:31,103 INFO L495 AbstractCegarLoop]: Abstraction has 1587 states and 2233 transitions. [2022-10-16 03:59:31,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2233 transitions. [2022-10-16 03:59:31,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 03:59:31,107 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:31,107 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] [2022-10-16 03:59:31,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:59:31,107 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:31,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:31,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1822156941, now seen corresponding path program 1 times [2022-10-16 03:59:31,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:31,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180186659] [2022-10-16 03:59:31,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:31,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:31,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:31,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180186659] [2022-10-16 03:59:31,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180186659] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:31,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:31,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:31,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048454695] [2022-10-16 03:59:31,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:31,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:31,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:31,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:31,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:31,746 INFO L87 Difference]: Start difference. First operand 1587 states and 2233 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:34,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:34,541 INFO L93 Difference]: Finished difference Result 2932 states and 4121 transitions. [2022-10-16 03:59:34,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:59:34,542 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 03:59:34,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:34,550 INFO L225 Difference]: With dead ends: 2932 [2022-10-16 03:59:34,551 INFO L226 Difference]: Without dead ends: 2932 [2022-10-16 03:59:34,551 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 03:59:34,552 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 7264 mSDsluCounter, 4344 mSDsCounter, 0 mSdLazyCounter, 4229 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7264 SdHoareTripleChecker+Valid, 5237 SdHoareTripleChecker+Invalid, 4301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 4229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:34,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7264 Valid, 5237 Invalid, 4301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 4229 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 03:59:34,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2022-10-16 03:59:34,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 1591. [2022-10-16 03:59:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1562 states have (on average 1.4321382842509602) internal successors, (2237), 1590 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2237 transitions. [2022-10-16 03:59:34,593 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2237 transitions. Word has length 108 [2022-10-16 03:59:34,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:34,594 INFO L495 AbstractCegarLoop]: Abstraction has 1591 states and 2237 transitions. [2022-10-16 03:59:34,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2237 transitions. [2022-10-16 03:59:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 03:59:34,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:34,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:34,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:59:34,598 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:34,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:34,599 INFO L85 PathProgramCache]: Analyzing trace with hash 57351997, now seen corresponding path program 1 times [2022-10-16 03:59:34,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:34,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611047567] [2022-10-16 03:59:34,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:34,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:35,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:35,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611047567] [2022-10-16 03:59:35,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611047567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:35,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:35,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:35,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950487432] [2022-10-16 03:59:35,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:35,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:35,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:35,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:35,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:35,273 INFO L87 Difference]: Start difference. First operand 1591 states and 2237 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:38,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:38,411 INFO L93 Difference]: Finished difference Result 2822 states and 3972 transitions. [2022-10-16 03:59:38,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:59:38,412 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 03:59:38,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:38,419 INFO L225 Difference]: With dead ends: 2822 [2022-10-16 03:59:38,419 INFO L226 Difference]: Without dead ends: 2822 [2022-10-16 03:59:38,420 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 03:59:38,421 INFO L413 NwaCegarLoop]: 983 mSDtfsCounter, 9658 mSDsluCounter, 5115 mSDsCounter, 0 mSdLazyCounter, 5200 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9658 SdHoareTripleChecker+Valid, 6098 SdHoareTripleChecker+Invalid, 5342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 5200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:38,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9658 Valid, 6098 Invalid, 5342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 5200 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 03:59:38,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2022-10-16 03:59:38,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 1595. [2022-10-16 03:59:38,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1566 states have (on average 1.4323116219667944) internal successors, (2243), 1594 states have internal predecessors, (2243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2243 transitions. [2022-10-16 03:59:38,460 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2243 transitions. Word has length 108 [2022-10-16 03:59:38,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:38,461 INFO L495 AbstractCegarLoop]: Abstraction has 1595 states and 2243 transitions. [2022-10-16 03:59:38,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:38,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2243 transitions. [2022-10-16 03:59:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 03:59:38,465 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:38,465 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] [2022-10-16 03:59:38,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:59:38,465 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:38,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:38,466 INFO L85 PathProgramCache]: Analyzing trace with hash -860352434, now seen corresponding path program 1 times [2022-10-16 03:59:38,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:38,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094180788] [2022-10-16 03:59:38,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:38,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:38,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:38,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:38,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094180788] [2022-10-16 03:59:39,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094180788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:39,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:39,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:39,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094770558] [2022-10-16 03:59:39,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:39,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:39,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:39,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:39,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:39,003 INFO L87 Difference]: Start difference. First operand 1595 states and 2243 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:41,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:41,161 INFO L93 Difference]: Finished difference Result 2724 states and 3822 transitions. [2022-10-16 03:59:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:41,162 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 03:59:41,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:41,166 INFO L225 Difference]: With dead ends: 2724 [2022-10-16 03:59:41,166 INFO L226 Difference]: Without dead ends: 2724 [2022-10-16 03:59:41,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:41,167 INFO L413 NwaCegarLoop]: 870 mSDtfsCounter, 4146 mSDsluCounter, 2837 mSDsCounter, 0 mSdLazyCounter, 3116 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4146 SdHoareTripleChecker+Valid, 3707 SdHoareTripleChecker+Invalid, 3239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 3116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:41,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4146 Valid, 3707 Invalid, 3239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 3116 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 03:59:41,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-10-16 03:59:41,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1581. [2022-10-16 03:59:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1552 states have (on average 1.431701030927835) internal successors, (2222), 1580 states have internal predecessors, (2222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2222 transitions. [2022-10-16 03:59:41,202 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2222 transitions. Word has length 110 [2022-10-16 03:59:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:41,202 INFO L495 AbstractCegarLoop]: Abstraction has 1581 states and 2222 transitions. [2022-10-16 03:59:41,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2222 transitions. [2022-10-16 03:59:41,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 03:59:41,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:41,206 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] [2022-10-16 03:59:41,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:59:41,207 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:41,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:41,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1432283502, now seen corresponding path program 1 times [2022-10-16 03:59:41,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:41,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711616000] [2022-10-16 03:59:41,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:41,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:41,678 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 03:59:41,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:41,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711616000] [2022-10-16 03:59:41,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711616000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:41,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:41,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:41,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330706133] [2022-10-16 03:59:41,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:41,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:41,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:41,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:41,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:41,681 INFO L87 Difference]: Start difference. First operand 1581 states and 2222 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:43,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:43,760 INFO L93 Difference]: Finished difference Result 2786 states and 3930 transitions. [2022-10-16 03:59:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:43,761 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 03:59:43,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:43,765 INFO L225 Difference]: With dead ends: 2786 [2022-10-16 03:59:43,766 INFO L226 Difference]: Without dead ends: 2786 [2022-10-16 03:59:43,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:43,767 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 7100 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 2904 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7100 SdHoareTripleChecker+Valid, 3625 SdHoareTripleChecker+Invalid, 2967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:43,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7100 Valid, 3625 Invalid, 2967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2904 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 03:59:43,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2022-10-16 03:59:43,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 1581. [2022-10-16 03:59:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1552 states have (on average 1.4310567010309279) internal successors, (2221), 1580 states have internal predecessors, (2221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2221 transitions. [2022-10-16 03:59:43,800 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2221 transitions. Word has length 110 [2022-10-16 03:59:43,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:43,801 INFO L495 AbstractCegarLoop]: Abstraction has 1581 states and 2221 transitions. [2022-10-16 03:59:43,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:43,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2221 transitions. [2022-10-16 03:59:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 03:59:43,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:43,805 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] [2022-10-16 03:59:43,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:59:43,806 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:43,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:43,806 INFO L85 PathProgramCache]: Analyzing trace with hash -983174856, now seen corresponding path program 1 times [2022-10-16 03:59:43,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:43,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042878107] [2022-10-16 03:59:43,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:43,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:44,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:44,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042878107] [2022-10-16 03:59:44,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042878107] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:44,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:44,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:44,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2507957] [2022-10-16 03:59:44,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:44,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:44,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:44,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:44,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:44,265 INFO L87 Difference]: Start difference. First operand 1581 states and 2221 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:46,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:46,640 INFO L93 Difference]: Finished difference Result 2754 states and 3882 transitions. [2022-10-16 03:59:46,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:46,640 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 03:59:46,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:46,647 INFO L225 Difference]: With dead ends: 2754 [2022-10-16 03:59:46,647 INFO L226 Difference]: Without dead ends: 2754 [2022-10-16 03:59:46,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:59:46,648 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 7785 mSDsluCounter, 3321 mSDsCounter, 0 mSdLazyCounter, 3541 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7785 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 3670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 3541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:46,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7785 Valid, 4337 Invalid, 3670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 3541 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 03:59:46,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2022-10-16 03:59:46,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 1568. [2022-10-16 03:59:46,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4307992202729045) internal successors, (2202), 1567 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:46,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2202 transitions. [2022-10-16 03:59:46,691 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2202 transitions. Word has length 110 [2022-10-16 03:59:46,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:46,692 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2202 transitions. [2022-10-16 03:59:46,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2202 transitions. [2022-10-16 03:59:46,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 03:59:46,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:46,697 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] [2022-10-16 03:59:46,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:59:46,697 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:46,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:46,698 INFO L85 PathProgramCache]: Analyzing trace with hash 237293966, now seen corresponding path program 1 times [2022-10-16 03:59:46,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:46,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736004908] [2022-10-16 03:59:46,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:46,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:47,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:47,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736004908] [2022-10-16 03:59:47,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736004908] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:47,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:47,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:47,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622369599] [2022-10-16 03:59:47,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:47,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:47,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:47,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:47,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:47,308 INFO L87 Difference]: Start difference. First operand 1568 states and 2202 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:49,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:49,641 INFO L93 Difference]: Finished difference Result 2765 states and 3899 transitions. [2022-10-16 03:59:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:49,641 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 03:59:49,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:49,648 INFO L225 Difference]: With dead ends: 2765 [2022-10-16 03:59:49,648 INFO L226 Difference]: Without dead ends: 2765 [2022-10-16 03:59:49,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:59:49,650 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 8736 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 3080 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8736 SdHoareTripleChecker+Valid, 3785 SdHoareTripleChecker+Invalid, 3158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 3080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:49,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8736 Valid, 3785 Invalid, 3158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 3080 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 03:59:49,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-10-16 03:59:49,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-10-16 03:59:49,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4301494476933074) internal successors, (2201), 1567 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:49,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2201 transitions. [2022-10-16 03:59:49,688 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2201 transitions. Word has length 110 [2022-10-16 03:59:49,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:49,688 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2201 transitions. [2022-10-16 03:59:49,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2201 transitions. [2022-10-16 03:59:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 03:59:49,693 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:49,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:59:49,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:59:49,694 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:49,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:49,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2054601275, now seen corresponding path program 1 times [2022-10-16 03:59:49,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:49,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619187174] [2022-10-16 03:59:49,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:49,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:50,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:50,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619187174] [2022-10-16 03:59:50,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619187174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:50,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:50,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:59:50,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3402947] [2022-10-16 03:59:50,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:50,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:59:50,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:50,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:59:50,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:59:50,288 INFO L87 Difference]: Start difference. First operand 1568 states and 2201 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:52,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:52,530 INFO L93 Difference]: Finished difference Result 2797 states and 3955 transitions. [2022-10-16 03:59:52,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:59:52,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 03:59:52,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:52,537 INFO L225 Difference]: With dead ends: 2797 [2022-10-16 03:59:52,537 INFO L226 Difference]: Without dead ends: 2797 [2022-10-16 03:59:52,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:59:52,538 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 8958 mSDsluCounter, 2866 mSDsCounter, 0 mSdLazyCounter, 3008 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8958 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 3056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:52,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8958 Valid, 3743 Invalid, 3056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3008 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 03:59:52,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-10-16 03:59:52,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1568. [2022-10-16 03:59:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4294996751137101) internal successors, (2200), 1567 states have internal predecessors, (2200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2200 transitions. [2022-10-16 03:59:52,572 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2200 transitions. Word has length 110 [2022-10-16 03:59:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:52,573 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2200 transitions. [2022-10-16 03:59:52,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2200 transitions. [2022-10-16 03:59:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 03:59:52,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:52,578 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] [2022-10-16 03:59:52,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:59:52,578 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:52,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:52,578 INFO L85 PathProgramCache]: Analyzing trace with hash 329024581, now seen corresponding path program 1 times [2022-10-16 03:59:52,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:52,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117797420] [2022-10-16 03:59:52,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:52,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:53,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:53,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117797420] [2022-10-16 03:59:53,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117797420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:53,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:53,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:53,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297119449] [2022-10-16 03:59:53,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:53,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:53,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:53,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:53,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:53,175 INFO L87 Difference]: Start difference. First operand 1568 states and 2200 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:56,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:56,326 INFO L93 Difference]: Finished difference Result 2834 states and 3979 transitions. [2022-10-16 03:59:56,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:59:56,327 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 03:59:56,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:56,332 INFO L225 Difference]: With dead ends: 2834 [2022-10-16 03:59:56,332 INFO L226 Difference]: Without dead ends: 2834 [2022-10-16 03:59:56,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:59:56,333 INFO L413 NwaCegarLoop]: 1015 mSDtfsCounter, 7142 mSDsluCounter, 4906 mSDsCounter, 0 mSdLazyCounter, 4889 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7142 SdHoareTripleChecker+Valid, 5921 SdHoareTripleChecker+Invalid, 5013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 4889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:56,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7142 Valid, 5921 Invalid, 5013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 4889 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 03:59:56,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2022-10-16 03:59:56,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 1581. [2022-10-16 03:59:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1552 states have (on average 1.4297680412371134) internal successors, (2219), 1580 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2219 transitions. [2022-10-16 03:59:56,365 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2219 transitions. Word has length 110 [2022-10-16 03:59:56,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:56,366 INFO L495 AbstractCegarLoop]: Abstraction has 1581 states and 2219 transitions. [2022-10-16 03:59:56,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2219 transitions. [2022-10-16 03:59:56,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 03:59:56,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:56,370 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] [2022-10-16 03:59:56,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:59:56,370 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:56,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:56,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1478083339, now seen corresponding path program 1 times [2022-10-16 03:59:56,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:56,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004449805] [2022-10-16 03:59:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:56,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:59:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:59:56,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:59:56,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004449805] [2022-10-16 03:59:56,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004449805] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:59:56,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:59:56,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:59:56,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613085079] [2022-10-16 03:59:56,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:59:56,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:59:56,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:59:56,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:59:56,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:59:56,931 INFO L87 Difference]: Start difference. First operand 1581 states and 2219 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:59,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:59:59,796 INFO L93 Difference]: Finished difference Result 2777 states and 3881 transitions. [2022-10-16 03:59:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:59:59,798 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 03:59:59,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:59:59,803 INFO L225 Difference]: With dead ends: 2777 [2022-10-16 03:59:59,803 INFO L226 Difference]: Without dead ends: 2777 [2022-10-16 03:59:59,804 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 03:59:59,804 INFO L413 NwaCegarLoop]: 892 mSDtfsCounter, 7880 mSDsluCounter, 3837 mSDsCounter, 0 mSdLazyCounter, 4190 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7880 SdHoareTripleChecker+Valid, 4729 SdHoareTripleChecker+Invalid, 4390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 4190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:59:59,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7880 Valid, 4729 Invalid, 4390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 4190 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 03:59:59,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states. [2022-10-16 03:59:59,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 1585. [2022-10-16 03:59:59,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1556 states have (on average 1.429948586118252) internal successors, (2225), 1584 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2225 transitions. [2022-10-16 03:59:59,839 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2225 transitions. Word has length 110 [2022-10-16 03:59:59,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:59:59,839 INFO L495 AbstractCegarLoop]: Abstraction has 1585 states and 2225 transitions. [2022-10-16 03:59:59,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:59:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2225 transitions. [2022-10-16 03:59:59,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 03:59:59,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:59:59,843 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] [2022-10-16 03:59:59,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:59:59,843 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 03:59:59,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:59:59,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1009532650, now seen corresponding path program 1 times [2022-10-16 03:59:59,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:59:59,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249055794] [2022-10-16 03:59:59,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:59:59,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:59:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:00,380 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 04:00:00,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:00,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249055794] [2022-10-16 04:00:00,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249055794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:00,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:00,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:00:00,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661891955] [2022-10-16 04:00:00,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:00,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:00:00,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:00,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:00:00,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:00:00,383 INFO L87 Difference]: Start difference. First operand 1585 states and 2225 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:03,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:03,818 INFO L93 Difference]: Finished difference Result 2813 states and 3955 transitions. [2022-10-16 04:00:03,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 04:00:03,818 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:00:03,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:03,822 INFO L225 Difference]: With dead ends: 2813 [2022-10-16 04:00:03,822 INFO L226 Difference]: Without dead ends: 2813 [2022-10-16 04:00:03,823 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 04:00:03,824 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 3896 mSDsluCounter, 5209 mSDsCounter, 0 mSdLazyCounter, 5300 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3896 SdHoareTripleChecker+Valid, 6319 SdHoareTripleChecker+Invalid, 5363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 5300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:03,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3896 Valid, 6319 Invalid, 5363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 5300 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 04:00:03,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2022-10-16 04:00:03,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 1587. [2022-10-16 04:00:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1558 states have (on average 1.4293966623876766) internal successors, (2227), 1586 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2227 transitions. [2022-10-16 04:00:03,860 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2227 transitions. Word has length 110 [2022-10-16 04:00:03,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:03,861 INFO L495 AbstractCegarLoop]: Abstraction has 1587 states and 2227 transitions. [2022-10-16 04:00:03,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2227 transitions. [2022-10-16 04:00:03,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:00:03,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:03,865 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] [2022-10-16 04:00:03,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 04:00:03,865 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:03,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:03,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1184588847, now seen corresponding path program 1 times [2022-10-16 04:00:03,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:03,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019213950] [2022-10-16 04:00:03,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:03,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:04,414 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 04:00:04,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:04,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019213950] [2022-10-16 04:00:04,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019213950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:04,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:04,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:00:04,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696004066] [2022-10-16 04:00:04,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:04,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:00:04,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:04,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:00:04,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:00:04,417 INFO L87 Difference]: Start difference. First operand 1587 states and 2227 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:07,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:07,686 INFO L93 Difference]: Finished difference Result 2863 states and 4012 transitions. [2022-10-16 04:00:07,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 04:00:07,689 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:00:07,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:07,693 INFO L225 Difference]: With dead ends: 2863 [2022-10-16 04:00:07,693 INFO L226 Difference]: Without dead ends: 2863 [2022-10-16 04:00:07,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 04:00:07,701 INFO L413 NwaCegarLoop]: 1168 mSDtfsCounter, 9541 mSDsluCounter, 4753 mSDsCounter, 0 mSdLazyCounter, 4919 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9541 SdHoareTripleChecker+Valid, 5921 SdHoareTripleChecker+Invalid, 5064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 4919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:07,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9541 Valid, 5921 Invalid, 5064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 4919 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 04:00:07,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2863 states. [2022-10-16 04:00:07,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2863 to 1597. [2022-10-16 04:00:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1568 states have (on average 1.4279336734693877) internal successors, (2239), 1596 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:07,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2239 transitions. [2022-10-16 04:00:07,737 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2239 transitions. Word has length 110 [2022-10-16 04:00:07,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:07,738 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2239 transitions. [2022-10-16 04:00:07,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:07,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2239 transitions. [2022-10-16 04:00:07,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:00:07,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:07,742 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] [2022-10-16 04:00:07,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 04:00:07,742 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:07,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:07,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1593434075, now seen corresponding path program 1 times [2022-10-16 04:00:07,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:07,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257012087] [2022-10-16 04:00:07,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:07,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:08,188 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 04:00:08,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:08,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257012087] [2022-10-16 04:00:08,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257012087] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:08,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:08,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:08,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055185491] [2022-10-16 04:00:08,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:08,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:08,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:08,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:08,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:08,191 INFO L87 Difference]: Start difference. First operand 1597 states and 2239 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:10,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:10,574 INFO L93 Difference]: Finished difference Result 2005 states and 2840 transitions. [2022-10-16 04:00:10,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 04:00:10,574 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:00:10,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:10,576 INFO L225 Difference]: With dead ends: 2005 [2022-10-16 04:00:10,577 INFO L226 Difference]: Without dead ends: 2005 [2022-10-16 04:00:10,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-10-16 04:00:10,578 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 4110 mSDsluCounter, 3588 mSDsCounter, 0 mSdLazyCounter, 3533 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4110 SdHoareTripleChecker+Valid, 4469 SdHoareTripleChecker+Invalid, 3554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 3533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:10,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4110 Valid, 4469 Invalid, 3554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 3533 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:00:10,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2022-10-16 04:00:10,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1568. [2022-10-16 04:00:10,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.428849902534113) internal successors, (2199), 1567 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2199 transitions. [2022-10-16 04:00:10,597 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2199 transitions. Word has length 110 [2022-10-16 04:00:10,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:10,598 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2199 transitions. [2022-10-16 04:00:10,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2199 transitions. [2022-10-16 04:00:10,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:00:10,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:10,602 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] [2022-10-16 04:00:10,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 04:00:10,602 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:10,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:10,603 INFO L85 PathProgramCache]: Analyzing trace with hash 8802059, now seen corresponding path program 1 times [2022-10-16 04:00:10,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:10,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811292354] [2022-10-16 04:00:10,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:10,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:10,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:10,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811292354] [2022-10-16 04:00:10,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811292354] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:10,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:10,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:10,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605054697] [2022-10-16 04:00:10,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:10,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:10,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:10,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:10,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:10,999 INFO L87 Difference]: Start difference. First operand 1568 states and 2199 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:13,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:13,216 INFO L93 Difference]: Finished difference Result 2693 states and 3771 transitions. [2022-10-16 04:00:13,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:13,217 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:00:13,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:13,221 INFO L225 Difference]: With dead ends: 2693 [2022-10-16 04:00:13,221 INFO L226 Difference]: Without dead ends: 2693 [2022-10-16 04:00:13,222 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 04:00:13,222 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 4087 mSDsluCounter, 2896 mSDsCounter, 0 mSdLazyCounter, 3158 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4087 SdHoareTripleChecker+Valid, 3785 SdHoareTripleChecker+Invalid, 3280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 3158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:13,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4087 Valid, 3785 Invalid, 3280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 3158 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:00:13,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2022-10-16 04:00:13,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 1568. [2022-10-16 04:00:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4275503573749189) internal successors, (2197), 1567 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:13,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2197 transitions. [2022-10-16 04:00:13,251 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2197 transitions. Word has length 110 [2022-10-16 04:00:13,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:13,252 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2197 transitions. [2022-10-16 04:00:13,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2197 transitions. [2022-10-16 04:00:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:00:13,255 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:13,256 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] [2022-10-16 04:00:13,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 04:00:13,256 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:13,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:13,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1694810938, now seen corresponding path program 1 times [2022-10-16 04:00:13,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:13,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293418433] [2022-10-16 04:00:13,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:13,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:13,718 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 04:00:13,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:13,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293418433] [2022-10-16 04:00:13,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293418433] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:13,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:13,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:13,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764962515] [2022-10-16 04:00:13,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:13,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:13,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:13,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:13,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:13,721 INFO L87 Difference]: Start difference. First operand 1568 states and 2197 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:15,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:15,707 INFO L93 Difference]: Finished difference Result 2005 states and 2836 transitions. [2022-10-16 04:00:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 04:00:15,707 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 04:00:15,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:15,710 INFO L225 Difference]: With dead ends: 2005 [2022-10-16 04:00:15,710 INFO L226 Difference]: Without dead ends: 2005 [2022-10-16 04:00:15,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2022-10-16 04:00:15,711 INFO L413 NwaCegarLoop]: 981 mSDtfsCounter, 5203 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 3052 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5203 SdHoareTripleChecker+Valid, 3886 SdHoareTripleChecker+Invalid, 3079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 3052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:15,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5203 Valid, 3886 Invalid, 3079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 3052 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 04:00:15,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2022-10-16 04:00:15,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1568. [2022-10-16 04:00:15,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4262508122157245) internal successors, (2195), 1567 states have internal predecessors, (2195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2195 transitions. [2022-10-16 04:00:15,734 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2195 transitions. Word has length 110 [2022-10-16 04:00:15,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:15,734 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2195 transitions. [2022-10-16 04:00:15,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2195 transitions. [2022-10-16 04:00:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:15,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:15,737 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] [2022-10-16 04:00:15,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 04:00:15,738 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:15,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:15,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1110098816, now seen corresponding path program 1 times [2022-10-16 04:00:15,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:15,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300394564] [2022-10-16 04:00:15,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:15,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:16,190 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 04:00:16,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:16,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300394564] [2022-10-16 04:00:16,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300394564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:16,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:16,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:16,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100133241] [2022-10-16 04:00:16,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:16,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:16,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:16,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:16,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:16,193 INFO L87 Difference]: Start difference. First operand 1568 states and 2195 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:18,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:18,621 INFO L93 Difference]: Finished difference Result 2765 states and 3892 transitions. [2022-10-16 04:00:18,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:18,622 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:18,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:18,624 INFO L225 Difference]: With dead ends: 2765 [2022-10-16 04:00:18,625 INFO L226 Difference]: Without dead ends: 2765 [2022-10-16 04:00:18,625 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 04:00:18,625 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 8581 mSDsluCounter, 3065 mSDsCounter, 0 mSdLazyCounter, 3203 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8581 SdHoareTripleChecker+Valid, 3982 SdHoareTripleChecker+Invalid, 3282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 3203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:18,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8581 Valid, 3982 Invalid, 3282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 3203 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:00:18,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-10-16 04:00:18,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-10-16 04:00:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4256010396361274) internal successors, (2194), 1567 states have internal predecessors, (2194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2194 transitions. [2022-10-16 04:00:18,651 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2194 transitions. Word has length 112 [2022-10-16 04:00:18,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:18,651 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2194 transitions. [2022-10-16 04:00:18,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2194 transitions. [2022-10-16 04:00:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:18,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:18,655 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] [2022-10-16 04:00:18,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 04:00:18,656 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:18,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:18,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1790606885, now seen corresponding path program 1 times [2022-10-16 04:00:18,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:18,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866038662] [2022-10-16 04:00:18,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:18,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:19,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:19,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:19,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866038662] [2022-10-16 04:00:19,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866038662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:19,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:19,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:19,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318930213] [2022-10-16 04:00:19,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:19,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:19,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:19,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:19,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:19,146 INFO L87 Difference]: Start difference. First operand 1568 states and 2194 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:22,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:22,229 INFO L93 Difference]: Finished difference Result 2741 states and 3853 transitions. [2022-10-16 04:00:22,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:22,230 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:22,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:22,234 INFO L225 Difference]: With dead ends: 2741 [2022-10-16 04:00:22,235 INFO L226 Difference]: Without dead ends: 2741 [2022-10-16 04:00:22,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:22,236 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 6502 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 4711 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6502 SdHoareTripleChecker+Valid, 5843 SdHoareTripleChecker+Invalid, 4808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:22,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6502 Valid, 5843 Invalid, 4808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4711 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:00:22,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-10-16 04:00:22,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-10-16 04:00:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4249512670565303) internal successors, (2193), 1567 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:22,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2193 transitions. [2022-10-16 04:00:22,268 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2193 transitions. Word has length 112 [2022-10-16 04:00:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:22,269 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2193 transitions. [2022-10-16 04:00:22,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2193 transitions. [2022-10-16 04:00:22,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:22,272 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:22,272 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] [2022-10-16 04:00:22,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 04:00:22,273 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:22,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:22,273 INFO L85 PathProgramCache]: Analyzing trace with hash -403514612, now seen corresponding path program 1 times [2022-10-16 04:00:22,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:22,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634597639] [2022-10-16 04:00:22,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:22,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:22,681 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 04:00:22,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:22,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634597639] [2022-10-16 04:00:22,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634597639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:22,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:22,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:22,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760193554] [2022-10-16 04:00:22,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:22,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:22,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:22,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:22,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:22,685 INFO L87 Difference]: Start difference. First operand 1568 states and 2193 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:25,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:25,333 INFO L93 Difference]: Finished difference Result 2797 states and 3944 transitions. [2022-10-16 04:00:25,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:25,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:25,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:25,339 INFO L225 Difference]: With dead ends: 2797 [2022-10-16 04:00:25,340 INFO L226 Difference]: Without dead ends: 2797 [2022-10-16 04:00:25,340 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 04:00:25,341 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 5171 mSDsluCounter, 3974 mSDsCounter, 0 mSdLazyCounter, 4178 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5171 SdHoareTripleChecker+Valid, 5325 SdHoareTripleChecker+Invalid, 4208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:25,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5171 Valid, 5325 Invalid, 4208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 4178 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:00:25,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-10-16 04:00:25,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1568. [2022-10-16 04:00:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.424301494476933) internal successors, (2192), 1567 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2192 transitions. [2022-10-16 04:00:25,373 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2192 transitions. Word has length 112 [2022-10-16 04:00:25,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:25,373 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2192 transitions. [2022-10-16 04:00:25,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:25,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2192 transitions. [2022-10-16 04:00:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:25,376 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:25,377 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] [2022-10-16 04:00:25,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 04:00:25,377 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:25,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:25,378 INFO L85 PathProgramCache]: Analyzing trace with hash -582562824, now seen corresponding path program 1 times [2022-10-16 04:00:25,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:25,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576330519] [2022-10-16 04:00:25,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:25,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:25,779 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 04:00:25,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:25,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576330519] [2022-10-16 04:00:25,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576330519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:25,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:25,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:25,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396365925] [2022-10-16 04:00:25,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:25,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:25,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:25,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:25,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:25,781 INFO L87 Difference]: Start difference. First operand 1568 states and 2192 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:28,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:28,070 INFO L93 Difference]: Finished difference Result 2693 states and 3764 transitions. [2022-10-16 04:00:28,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:28,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:28,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:28,075 INFO L225 Difference]: With dead ends: 2693 [2022-10-16 04:00:28,075 INFO L226 Difference]: Without dead ends: 2693 [2022-10-16 04:00:28,075 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 04:00:28,076 INFO L413 NwaCegarLoop]: 905 mSDtfsCounter, 6046 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 3192 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6046 SdHoareTripleChecker+Valid, 3849 SdHoareTripleChecker+Invalid, 3379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 3192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:28,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6046 Valid, 3849 Invalid, 3379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 3192 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:00:28,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2022-10-16 04:00:28,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 1568. [2022-10-16 04:00:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.423651721897336) internal successors, (2191), 1567 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2191 transitions. [2022-10-16 04:00:28,109 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2191 transitions. Word has length 112 [2022-10-16 04:00:28,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:28,110 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2191 transitions. [2022-10-16 04:00:28,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:28,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2191 transitions. [2022-10-16 04:00:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:28,113 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:28,113 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] [2022-10-16 04:00:28,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 04:00:28,114 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:28,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:28,114 INFO L85 PathProgramCache]: Analyzing trace with hash 977250997, now seen corresponding path program 1 times [2022-10-16 04:00:28,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:28,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992657665] [2022-10-16 04:00:28,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:28,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:28,563 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 04:00:28,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:28,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992657665] [2022-10-16 04:00:28,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992657665] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:28,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:28,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:28,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265408760] [2022-10-16 04:00:28,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:28,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:28,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:28,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:28,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:28,567 INFO L87 Difference]: Start difference. First operand 1568 states and 2191 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:31,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:31,596 INFO L93 Difference]: Finished difference Result 2741 states and 3849 transitions. [2022-10-16 04:00:31,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:31,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:31,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:31,600 INFO L225 Difference]: With dead ends: 2741 [2022-10-16 04:00:31,600 INFO L226 Difference]: Without dead ends: 2741 [2022-10-16 04:00:31,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:31,601 INFO L413 NwaCegarLoop]: 1144 mSDtfsCounter, 6485 mSDsluCounter, 4716 mSDsCounter, 0 mSdLazyCounter, 4692 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6485 SdHoareTripleChecker+Valid, 5860 SdHoareTripleChecker+Invalid, 4789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:31,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6485 Valid, 5860 Invalid, 4789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4692 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 04:00:31,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-10-16 04:00:31,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-10-16 04:00:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4230019493177388) internal successors, (2190), 1567 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2190 transitions. [2022-10-16 04:00:31,624 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2190 transitions. Word has length 112 [2022-10-16 04:00:31,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:31,625 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2190 transitions. [2022-10-16 04:00:31,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2190 transitions. [2022-10-16 04:00:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:31,627 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:31,627 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] [2022-10-16 04:00:31,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 04:00:31,627 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:31,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:31,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1047979927, now seen corresponding path program 1 times [2022-10-16 04:00:31,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:31,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667332631] [2022-10-16 04:00:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:31,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:31,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:31,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:31,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667332631] [2022-10-16 04:00:31,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667332631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:31,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:31,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:31,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009149562] [2022-10-16 04:00:31,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:31,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:31,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:31,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:31,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:31,980 INFO L87 Difference]: Start difference. First operand 1568 states and 2190 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:34,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:34,414 INFO L93 Difference]: Finished difference Result 2741 states and 3847 transitions. [2022-10-16 04:00:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:34,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:34,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:34,417 INFO L225 Difference]: With dead ends: 2741 [2022-10-16 04:00:34,417 INFO L226 Difference]: Without dead ends: 2741 [2022-10-16 04:00:34,418 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 04:00:34,418 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 5423 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 3888 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5423 SdHoareTripleChecker+Valid, 4790 SdHoareTripleChecker+Invalid, 3979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:34,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5423 Valid, 4790 Invalid, 3979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3888 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:00:34,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-10-16 04:00:34,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-10-16 04:00:34,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4223521767381417) internal successors, (2189), 1567 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2189 transitions. [2022-10-16 04:00:34,446 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2189 transitions. Word has length 112 [2022-10-16 04:00:34,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:34,447 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2189 transitions. [2022-10-16 04:00:34,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2189 transitions. [2022-10-16 04:00:34,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:34,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:34,450 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] [2022-10-16 04:00:34,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 04:00:34,450 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:34,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:34,451 INFO L85 PathProgramCache]: Analyzing trace with hash -619395701, now seen corresponding path program 1 times [2022-10-16 04:00:34,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:34,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365292062] [2022-10-16 04:00:34,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:34,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:34,934 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 04:00:34,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:34,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365292062] [2022-10-16 04:00:34,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365292062] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:34,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:34,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:34,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203323380] [2022-10-16 04:00:34,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:34,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:34,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:34,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:34,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:34,938 INFO L87 Difference]: Start difference. First operand 1568 states and 2189 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:37,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:37,888 INFO L93 Difference]: Finished difference Result 2741 states and 3846 transitions. [2022-10-16 04:00:37,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:37,888 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:37,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:37,892 INFO L225 Difference]: With dead ends: 2741 [2022-10-16 04:00:37,892 INFO L226 Difference]: Without dead ends: 2741 [2022-10-16 04:00:37,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:37,893 INFO L413 NwaCegarLoop]: 1080 mSDtfsCounter, 6632 mSDsluCounter, 4540 mSDsCounter, 0 mSdLazyCounter, 4484 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6632 SdHoareTripleChecker+Valid, 5620 SdHoareTripleChecker+Invalid, 4583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:37,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6632 Valid, 5620 Invalid, 4583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4484 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 04:00:37,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-10-16 04:00:37,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-10-16 04:00:37,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4217024041585444) internal successors, (2188), 1567 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2188 transitions. [2022-10-16 04:00:37,922 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2188 transitions. Word has length 112 [2022-10-16 04:00:37,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:37,923 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2188 transitions. [2022-10-16 04:00:37,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2188 transitions. [2022-10-16 04:00:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:37,926 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:37,926 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] [2022-10-16 04:00:37,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 04:00:37,927 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:37,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:37,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1076754052, now seen corresponding path program 1 times [2022-10-16 04:00:37,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:37,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938786961] [2022-10-16 04:00:37,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:37,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:38,315 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 04:00:38,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:38,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938786961] [2022-10-16 04:00:38,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938786961] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:38,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:38,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:38,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477699809] [2022-10-16 04:00:38,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:38,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:38,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:38,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:38,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:38,317 INFO L87 Difference]: Start difference. First operand 1568 states and 2188 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:40,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:40,657 INFO L93 Difference]: Finished difference Result 2741 states and 3844 transitions. [2022-10-16 04:00:40,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:40,658 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:40,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:40,662 INFO L225 Difference]: With dead ends: 2741 [2022-10-16 04:00:40,662 INFO L226 Difference]: Without dead ends: 2741 [2022-10-16 04:00:40,663 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 04:00:40,663 INFO L413 NwaCegarLoop]: 1038 mSDtfsCounter, 5910 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 3559 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5910 SdHoareTripleChecker+Valid, 4454 SdHoareTripleChecker+Invalid, 3655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 3559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:40,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5910 Valid, 4454 Invalid, 3655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 3559 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:00:40,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-10-16 04:00:40,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-10-16 04:00:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4204028589993503) internal successors, (2186), 1567 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2186 transitions. [2022-10-16 04:00:40,690 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2186 transitions. Word has length 112 [2022-10-16 04:00:40,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:40,691 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2186 transitions. [2022-10-16 04:00:40,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2186 transitions. [2022-10-16 04:00:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:40,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:40,694 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] [2022-10-16 04:00:40,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 04:00:40,694 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:40,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:40,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2069154486, now seen corresponding path program 1 times [2022-10-16 04:00:40,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:40,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700319920] [2022-10-16 04:00:40,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:40,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:41,091 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 04:00:41,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:41,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700319920] [2022-10-16 04:00:41,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700319920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:41,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:41,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:41,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349320724] [2022-10-16 04:00:41,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:41,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:41,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:41,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:41,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:41,094 INFO L87 Difference]: Start difference. First operand 1568 states and 2186 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:43,471 INFO L93 Difference]: Finished difference Result 2693 states and 3757 transitions. [2022-10-16 04:00:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:43,472 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:43,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:43,475 INFO L225 Difference]: With dead ends: 2693 [2022-10-16 04:00:43,475 INFO L226 Difference]: Without dead ends: 2693 [2022-10-16 04:00:43,476 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 04:00:43,476 INFO L413 NwaCegarLoop]: 967 mSDtfsCounter, 7654 mSDsluCounter, 3135 mSDsCounter, 0 mSdLazyCounter, 3391 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7654 SdHoareTripleChecker+Valid, 4102 SdHoareTripleChecker+Invalid, 3631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 3391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:43,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7654 Valid, 4102 Invalid, 3631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 3391 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:00:43,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2022-10-16 04:00:43,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 1568. [2022-10-16 04:00:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4191033138401559) internal successors, (2184), 1567 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2184 transitions. [2022-10-16 04:00:43,501 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2184 transitions. Word has length 112 [2022-10-16 04:00:43,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:43,501 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2184 transitions. [2022-10-16 04:00:43,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:43,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2184 transitions. [2022-10-16 04:00:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:43,503 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:43,504 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] [2022-10-16 04:00:43,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 04:00:43,504 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:43,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1630269001, now seen corresponding path program 1 times [2022-10-16 04:00:43,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:43,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586649935] [2022-10-16 04:00:43,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:43,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:43,904 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 04:00:43,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:43,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586649935] [2022-10-16 04:00:43,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586649935] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:43,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:43,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:43,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532996269] [2022-10-16 04:00:43,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:43,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:43,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:43,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:43,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:43,907 INFO L87 Difference]: Start difference. First operand 1568 states and 2184 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:46,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:46,516 INFO L93 Difference]: Finished difference Result 2797 states and 3934 transitions. [2022-10-16 04:00:46,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:46,517 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:46,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:46,520 INFO L225 Difference]: With dead ends: 2797 [2022-10-16 04:00:46,520 INFO L226 Difference]: Without dead ends: 2797 [2022-10-16 04:00:46,521 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 04:00:46,521 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 6910 mSDsluCounter, 3993 mSDsCounter, 0 mSdLazyCounter, 4000 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6910 SdHoareTripleChecker+Valid, 5224 SdHoareTripleChecker+Invalid, 4042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:46,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6910 Valid, 5224 Invalid, 4042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4000 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:00:46,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-10-16 04:00:46,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1568. [2022-10-16 04:00:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4178037686809617) internal successors, (2182), 1567 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2182 transitions. [2022-10-16 04:00:46,564 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2182 transitions. Word has length 112 [2022-10-16 04:00:46,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:46,565 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2182 transitions. [2022-10-16 04:00:46,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2182 transitions. [2022-10-16 04:00:46,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:46,567 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:46,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:46,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 04:00:46,567 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:46,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:46,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1150193153, now seen corresponding path program 1 times [2022-10-16 04:00:46,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:46,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431619281] [2022-10-16 04:00:46,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:46,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:47,000 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 04:00:47,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:47,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431619281] [2022-10-16 04:00:47,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431619281] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:47,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:47,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:47,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059740270] [2022-10-16 04:00:47,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:47,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:47,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:47,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:47,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:47,007 INFO L87 Difference]: Start difference. First operand 1568 states and 2182 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:49,466 INFO L93 Difference]: Finished difference Result 2765 states and 3872 transitions. [2022-10-16 04:00:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:49,467 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:49,470 INFO L225 Difference]: With dead ends: 2765 [2022-10-16 04:00:49,471 INFO L226 Difference]: Without dead ends: 2765 [2022-10-16 04:00:49,471 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 04:00:49,471 INFO L413 NwaCegarLoop]: 1106 mSDtfsCounter, 7733 mSDsluCounter, 3605 mSDsCounter, 0 mSdLazyCounter, 3673 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7733 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 3746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 3673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:49,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7733 Valid, 4711 Invalid, 3746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 3673 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:00:49,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-10-16 04:00:49,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-10-16 04:00:49,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4165042235217673) internal successors, (2180), 1567 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:49,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2180 transitions. [2022-10-16 04:00:49,496 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2180 transitions. Word has length 112 [2022-10-16 04:00:49,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:49,497 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2180 transitions. [2022-10-16 04:00:49,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:49,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2180 transitions. [2022-10-16 04:00:49,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:49,500 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:49,500 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] [2022-10-16 04:00:49,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 04:00:49,500 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:49,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:49,501 INFO L85 PathProgramCache]: Analyzing trace with hash -469685084, now seen corresponding path program 1 times [2022-10-16 04:00:49,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:49,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347316410] [2022-10-16 04:00:49,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:49,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:49,956 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 04:00:49,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:49,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347316410] [2022-10-16 04:00:49,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347316410] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:49,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:49,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:49,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954750404] [2022-10-16 04:00:49,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:49,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:49,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:49,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:49,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:49,960 INFO L87 Difference]: Start difference. First operand 1568 states and 2180 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:52,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:52,882 INFO L93 Difference]: Finished difference Result 2741 states and 3836 transitions. [2022-10-16 04:00:52,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:52,883 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:52,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:52,886 INFO L225 Difference]: With dead ends: 2741 [2022-10-16 04:00:52,886 INFO L226 Difference]: Without dead ends: 2741 [2022-10-16 04:00:52,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:52,888 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 6483 mSDsluCounter, 4661 mSDsCounter, 0 mSdLazyCounter, 4615 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6483 SdHoareTripleChecker+Valid, 5786 SdHoareTripleChecker+Invalid, 4713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 4615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:52,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6483 Valid, 5786 Invalid, 4713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 4615 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:00:52,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-10-16 04:00:52,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-10-16 04:00:52,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4152046783625731) internal successors, (2178), 1567 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:52,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2178 transitions. [2022-10-16 04:00:52,922 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2178 transitions. Word has length 112 [2022-10-16 04:00:52,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:52,922 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2178 transitions. [2022-10-16 04:00:52,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2178 transitions. [2022-10-16 04:00:52,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:52,926 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:52,927 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] [2022-10-16 04:00:52,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 04:00:52,927 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:52,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:52,928 INFO L85 PathProgramCache]: Analyzing trace with hash -79489975, now seen corresponding path program 1 times [2022-10-16 04:00:52,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:52,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082084594] [2022-10-16 04:00:52,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:52,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:53,287 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 04:00:53,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:53,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082084594] [2022-10-16 04:00:53,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082084594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:53,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:53,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:53,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498184763] [2022-10-16 04:00:53,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:53,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:53,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:53,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:53,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:53,291 INFO L87 Difference]: Start difference. First operand 1568 states and 2178 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:55,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:55,792 INFO L93 Difference]: Finished difference Result 2797 states and 3926 transitions. [2022-10-16 04:00:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:55,793 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:55,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:55,796 INFO L225 Difference]: With dead ends: 2797 [2022-10-16 04:00:55,796 INFO L226 Difference]: Without dead ends: 2797 [2022-10-16 04:00:55,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:55,797 INFO L413 NwaCegarLoop]: 1308 mSDtfsCounter, 6231 mSDsluCounter, 3829 mSDsCounter, 0 mSdLazyCounter, 3952 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6231 SdHoareTripleChecker+Valid, 5137 SdHoareTripleChecker+Invalid, 3986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 3952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:55,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6231 Valid, 5137 Invalid, 3986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 3952 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:00:55,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-10-16 04:00:55,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1568. [2022-10-16 04:00:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4139051332033787) internal successors, (2176), 1567 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:55,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2176 transitions. [2022-10-16 04:00:55,817 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2176 transitions. Word has length 112 [2022-10-16 04:00:55,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:55,818 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2176 transitions. [2022-10-16 04:00:55,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2176 transitions. [2022-10-16 04:00:55,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:55,820 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:55,820 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] [2022-10-16 04:00:55,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 04:00:55,820 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:55,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:55,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1562562040, now seen corresponding path program 1 times [2022-10-16 04:00:55,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:55,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608041536] [2022-10-16 04:00:55,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:55,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:56,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:56,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608041536] [2022-10-16 04:00:56,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608041536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:56,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:56,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:56,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243411188] [2022-10-16 04:00:56,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:56,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:56,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:56,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:56,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:56,157 INFO L87 Difference]: Start difference. First operand 1568 states and 2176 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:58,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:58,555 INFO L93 Difference]: Finished difference Result 2741 states and 3832 transitions. [2022-10-16 04:00:58,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:58,555 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:00:58,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:58,558 INFO L225 Difference]: With dead ends: 2741 [2022-10-16 04:00:58,558 INFO L226 Difference]: Without dead ends: 2741 [2022-10-16 04:00:58,559 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 04:00:58,560 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 5364 mSDsluCounter, 3648 mSDsCounter, 0 mSdLazyCounter, 3836 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5364 SdHoareTripleChecker+Valid, 4773 SdHoareTripleChecker+Invalid, 3927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:58,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5364 Valid, 4773 Invalid, 3927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3836 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:00:58,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-10-16 04:00:58,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1568. [2022-10-16 04:00:58,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4126055880441846) internal successors, (2174), 1567 states have internal predecessors, (2174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:58,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2174 transitions. [2022-10-16 04:00:58,580 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2174 transitions. Word has length 112 [2022-10-16 04:00:58,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:58,581 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2174 transitions. [2022-10-16 04:00:58,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2174 transitions. [2022-10-16 04:00:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:00:58,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:58,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:00:58,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 04:00:58,583 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:58,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:58,584 INFO L85 PathProgramCache]: Analyzing trace with hash -725792126, now seen corresponding path program 1 times [2022-10-16 04:00:58,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:58,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659378815] [2022-10-16 04:00:58,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:58,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:58,915 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 04:00:58,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:58,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659378815] [2022-10-16 04:00:58,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659378815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:58,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:58,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:58,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878819645] [2022-10-16 04:00:58,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:58,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:58,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:58,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:58,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:58,918 INFO L87 Difference]: Start difference. First operand 1568 states and 2174 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:01,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:01,458 INFO L93 Difference]: Finished difference Result 2765 states and 3864 transitions. [2022-10-16 04:01:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:01,459 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 04:01:01,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:01,462 INFO L225 Difference]: With dead ends: 2765 [2022-10-16 04:01:01,462 INFO L226 Difference]: Without dead ends: 2765 [2022-10-16 04:01:01,463 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 04:01:01,463 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 3408 mSDsluCounter, 4211 mSDsCounter, 0 mSdLazyCounter, 4316 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3408 SdHoareTripleChecker+Valid, 5533 SdHoareTripleChecker+Invalid, 4349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 4316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:01,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3408 Valid, 5533 Invalid, 4349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 4316 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:01:01,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-10-16 04:01:01,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1568. [2022-10-16 04:01:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4113060428849902) internal successors, (2172), 1567 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:01,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2172 transitions. [2022-10-16 04:01:01,487 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2172 transitions. Word has length 112 [2022-10-16 04:01:01,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:01,487 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2172 transitions. [2022-10-16 04:01:01,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2172 transitions. [2022-10-16 04:01:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:01,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:01,490 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] [2022-10-16 04:01:01,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 04:01:01,490 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:01,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:01,490 INFO L85 PathProgramCache]: Analyzing trace with hash -946629140, now seen corresponding path program 1 times [2022-10-16 04:01:01,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:01,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138099082] [2022-10-16 04:01:01,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:01,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:02,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:02,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138099082] [2022-10-16 04:01:02,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138099082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:02,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:02,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:01:02,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350118409] [2022-10-16 04:01:02,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:02,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:02,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:02,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:02,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:02,068 INFO L87 Difference]: Start difference. First operand 1568 states and 2172 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:06,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:06,818 INFO L93 Difference]: Finished difference Result 3943 states and 5575 transitions. [2022-10-16 04:01:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:01:06,818 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:06,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:06,821 INFO L225 Difference]: With dead ends: 3943 [2022-10-16 04:01:06,821 INFO L226 Difference]: Without dead ends: 3943 [2022-10-16 04:01:06,822 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 04:01:06,822 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 12268 mSDsluCounter, 5670 mSDsCounter, 0 mSdLazyCounter, 5665 mSolverCounterSat, 986 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12268 SdHoareTripleChecker+Valid, 6987 SdHoareTripleChecker+Invalid, 6651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 986 IncrementalHoareTripleChecker+Valid, 5665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:06,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12268 Valid, 6987 Invalid, 6651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [986 Valid, 5665 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 04:01:06,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3943 states. [2022-10-16 04:01:06,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3943 to 1572. [2022-10-16 04:01:06,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.410239792611795) internal successors, (2176), 1571 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:06,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2176 transitions. [2022-10-16 04:01:06,845 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2176 transitions. Word has length 114 [2022-10-16 04:01:06,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:06,846 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 2176 transitions. [2022-10-16 04:01:06,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:06,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2176 transitions. [2022-10-16 04:01:06,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:06,849 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:06,849 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] [2022-10-16 04:01:06,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 04:01:06,849 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:06,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:06,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1355474368, now seen corresponding path program 1 times [2022-10-16 04:01:06,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:06,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955976375] [2022-10-16 04:01:06,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:06,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:07,262 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 04:01:07,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:07,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955976375] [2022-10-16 04:01:07,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955976375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:07,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:07,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:07,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853040226] [2022-10-16 04:01:07,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:07,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:07,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:07,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:07,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:07,264 INFO L87 Difference]: Start difference. First operand 1572 states and 2176 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:10,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:10,243 INFO L93 Difference]: Finished difference Result 2697 states and 3748 transitions. [2022-10-16 04:01:10,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:10,243 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:10,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:10,246 INFO L225 Difference]: With dead ends: 2697 [2022-10-16 04:01:10,246 INFO L226 Difference]: Without dead ends: 2697 [2022-10-16 04:01:10,247 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 04:01:10,248 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 6486 mSDsluCounter, 4344 mSDsCounter, 0 mSdLazyCounter, 4379 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6486 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 4561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 4379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:10,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6486 Valid, 5396 Invalid, 4561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 4379 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 04:01:10,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2022-10-16 04:01:10,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1572. [2022-10-16 04:01:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.4095917044718083) internal successors, (2175), 1571 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2175 transitions. [2022-10-16 04:01:10,271 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2175 transitions. Word has length 114 [2022-10-16 04:01:10,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:10,272 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 2175 transitions. [2022-10-16 04:01:10,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:10,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2175 transitions. [2022-10-16 04:01:10,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:10,274 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:10,275 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] [2022-10-16 04:01:10,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 04:01:10,275 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:10,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:10,276 INFO L85 PathProgramCache]: Analyzing trace with hash -987372193, now seen corresponding path program 1 times [2022-10-16 04:01:10,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:10,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134616980] [2022-10-16 04:01:10,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:10,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:11,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:11,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134616980] [2022-10-16 04:01:11,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134616980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:11,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:11,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:01:11,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289288976] [2022-10-16 04:01:11,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:11,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:11,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:11,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:11,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:11,007 INFO L87 Difference]: Start difference. First operand 1572 states and 2175 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:15,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:15,341 INFO L93 Difference]: Finished difference Result 3717 states and 5226 transitions. [2022-10-16 04:01:15,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:01:15,342 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:15,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:15,346 INFO L225 Difference]: With dead ends: 3717 [2022-10-16 04:01:15,346 INFO L226 Difference]: Without dead ends: 3717 [2022-10-16 04:01:15,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:01:15,347 INFO L413 NwaCegarLoop]: 1103 mSDtfsCounter, 11844 mSDsluCounter, 3897 mSDsCounter, 0 mSdLazyCounter, 4121 mSolverCounterSat, 1290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11844 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 5411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1290 IncrementalHoareTripleChecker+Valid, 4121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:15,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11844 Valid, 5000 Invalid, 5411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1290 Valid, 4121 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 04:01:15,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3717 states. [2022-10-16 04:01:15,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3717 to 1576. [2022-10-16 04:01:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.4085326438267616) internal successors, (2179), 1575 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2179 transitions. [2022-10-16 04:01:15,371 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2179 transitions. Word has length 114 [2022-10-16 04:01:15,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:15,372 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2179 transitions. [2022-10-16 04:01:15,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2179 transitions. [2022-10-16 04:01:15,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:15,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:15,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:15,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 04:01:15,375 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:15,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:15,375 INFO L85 PathProgramCache]: Analyzing trace with hash -351977045, now seen corresponding path program 1 times [2022-10-16 04:01:15,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:15,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699904117] [2022-10-16 04:01:15,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:15,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:15,720 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 04:01:15,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:15,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699904117] [2022-10-16 04:01:15,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699904117] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:15,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:15,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:15,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817124070] [2022-10-16 04:01:15,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:15,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:15,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:15,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:15,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:15,723 INFO L87 Difference]: Start difference. First operand 1576 states and 2179 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:18,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:18,126 INFO L93 Difference]: Finished difference Result 2697 states and 3746 transitions. [2022-10-16 04:01:18,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:18,127 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:18,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:18,130 INFO L225 Difference]: With dead ends: 2697 [2022-10-16 04:01:18,130 INFO L226 Difference]: Without dead ends: 2697 [2022-10-16 04:01:18,130 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 04:01:18,131 INFO L413 NwaCegarLoop]: 992 mSDtfsCounter, 6366 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 3451 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6366 SdHoareTripleChecker+Valid, 4201 SdHoareTripleChecker+Invalid, 3660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 3451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:18,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6366 Valid, 4201 Invalid, 3660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 3451 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:01:18,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2022-10-16 04:01:18,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1576. [2022-10-16 04:01:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.4078862314156433) internal successors, (2178), 1575 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2178 transitions. [2022-10-16 04:01:18,149 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2178 transitions. Word has length 114 [2022-10-16 04:01:18,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:18,149 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2178 transitions. [2022-10-16 04:01:18,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2178 transitions. [2022-10-16 04:01:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:18,152 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:18,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:18,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 04:01:18,152 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:18,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:18,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1333833148, now seen corresponding path program 1 times [2022-10-16 04:01:18,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:18,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773517881] [2022-10-16 04:01:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:18,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:18,750 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 04:01:18,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:18,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773517881] [2022-10-16 04:01:18,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773517881] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:18,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:18,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:01:18,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382006431] [2022-10-16 04:01:18,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:18,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:18,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:18,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:18,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:18,754 INFO L87 Difference]: Start difference. First operand 1576 states and 2178 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:23,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:23,037 INFO L93 Difference]: Finished difference Result 3938 states and 5566 transitions. [2022-10-16 04:01:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:01:23,038 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:23,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:23,043 INFO L225 Difference]: With dead ends: 3938 [2022-10-16 04:01:23,043 INFO L226 Difference]: Without dead ends: 3938 [2022-10-16 04:01:23,044 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 04:01:23,044 INFO L413 NwaCegarLoop]: 1284 mSDtfsCounter, 10290 mSDsluCounter, 4334 mSDsCounter, 0 mSdLazyCounter, 4534 mSolverCounterSat, 847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10290 SdHoareTripleChecker+Valid, 5618 SdHoareTripleChecker+Invalid, 5381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 847 IncrementalHoareTripleChecker+Valid, 4534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:23,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10290 Valid, 5618 Invalid, 5381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [847 Valid, 4534 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 04:01:23,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2022-10-16 04:01:23,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 1580. [2022-10-16 04:01:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1551 states have (on average 1.4068343004513217) internal successors, (2182), 1579 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:23,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2182 transitions. [2022-10-16 04:01:23,078 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2182 transitions. Word has length 114 [2022-10-16 04:01:23,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:23,078 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2182 transitions. [2022-10-16 04:01:23,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2182 transitions. [2022-10-16 04:01:23,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:23,081 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:23,081 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] [2022-10-16 04:01:23,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 04:01:23,082 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:23,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:23,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1812075390, now seen corresponding path program 1 times [2022-10-16 04:01:23,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:23,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094724405] [2022-10-16 04:01:23,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:23,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:23,443 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 04:01:23,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:23,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094724405] [2022-10-16 04:01:23,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094724405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:23,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:23,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:23,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542849889] [2022-10-16 04:01:23,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:23,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:23,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:23,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:23,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:23,446 INFO L87 Difference]: Start difference. First operand 1580 states and 2182 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:26,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:26,293 INFO L93 Difference]: Finished difference Result 2701 states and 3749 transitions. [2022-10-16 04:01:26,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:26,293 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:26,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:26,297 INFO L225 Difference]: With dead ends: 2701 [2022-10-16 04:01:26,297 INFO L226 Difference]: Without dead ends: 2701 [2022-10-16 04:01:26,297 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 04:01:26,298 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 6485 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 4342 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6485 SdHoareTripleChecker+Valid, 5379 SdHoareTripleChecker+Invalid, 4524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 4342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:26,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6485 Valid, 5379 Invalid, 4524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 4342 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:01:26,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2022-10-16 04:01:26,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 1580. [2022-10-16 04:01:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1551 states have (on average 1.4061895551257253) internal successors, (2181), 1579 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2181 transitions. [2022-10-16 04:01:26,319 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2181 transitions. Word has length 114 [2022-10-16 04:01:26,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:26,319 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2181 transitions. [2022-10-16 04:01:26,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:26,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2181 transitions. [2022-10-16 04:01:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:26,321 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:26,321 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:26,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 04:01:26,321 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:26,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:26,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1611191930, now seen corresponding path program 1 times [2022-10-16 04:01:26,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:26,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691655088] [2022-10-16 04:01:26,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:26,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:26,842 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 04:01:26,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:26,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691655088] [2022-10-16 04:01:26,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691655088] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:26,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:26,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:01:26,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127163129] [2022-10-16 04:01:26,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:26,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:26,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:26,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:26,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:26,846 INFO L87 Difference]: Start difference. First operand 1580 states and 2181 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:31,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:31,186 INFO L93 Difference]: Finished difference Result 3717 states and 5223 transitions. [2022-10-16 04:01:31,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:01:31,186 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:31,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:31,191 INFO L225 Difference]: With dead ends: 3717 [2022-10-16 04:01:31,191 INFO L226 Difference]: Without dead ends: 3717 [2022-10-16 04:01:31,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:01:31,193 INFO L413 NwaCegarLoop]: 1091 mSDtfsCounter, 11871 mSDsluCounter, 3876 mSDsCounter, 0 mSdLazyCounter, 4086 mSolverCounterSat, 1293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11871 SdHoareTripleChecker+Valid, 4967 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1293 IncrementalHoareTripleChecker+Valid, 4086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:31,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11871 Valid, 4967 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1293 Valid, 4086 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 04:01:31,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3717 states. [2022-10-16 04:01:31,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3717 to 1584. [2022-10-16 04:01:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1555 states have (on average 1.405144694533762) internal successors, (2185), 1583 states have internal predecessors, (2185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2185 transitions. [2022-10-16 04:01:31,221 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2185 transitions. Word has length 114 [2022-10-16 04:01:31,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:31,222 INFO L495 AbstractCegarLoop]: Abstraction has 1584 states and 2185 transitions. [2022-10-16 04:01:31,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2185 transitions. [2022-10-16 04:01:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:31,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:31,224 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] [2022-10-16 04:01:31,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 04:01:31,225 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:31,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:31,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1777543820, now seen corresponding path program 1 times [2022-10-16 04:01:31,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:31,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462020957] [2022-10-16 04:01:31,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:31,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:31,802 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 04:01:31,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:31,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462020957] [2022-10-16 04:01:31,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462020957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:31,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:31,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:01:31,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115145975] [2022-10-16 04:01:31,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:31,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:31,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:31,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:31,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:31,805 INFO L87 Difference]: Start difference. First operand 1584 states and 2185 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:36,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:36,229 INFO L93 Difference]: Finished difference Result 3942 states and 5566 transitions. [2022-10-16 04:01:36,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:01:36,230 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:36,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:36,235 INFO L225 Difference]: With dead ends: 3942 [2022-10-16 04:01:36,235 INFO L226 Difference]: Without dead ends: 3942 [2022-10-16 04:01:36,235 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 04:01:36,236 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 12550 mSDsluCounter, 4749 mSDsCounter, 0 mSdLazyCounter, 4855 mSolverCounterSat, 1023 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12550 SdHoareTripleChecker+Valid, 6012 SdHoareTripleChecker+Invalid, 5878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1023 IncrementalHoareTripleChecker+Valid, 4855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:36,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12550 Valid, 6012 Invalid, 5878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1023 Valid, 4855 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-16 04:01:36,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3942 states. [2022-10-16 04:01:36,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3942 to 1588. [2022-10-16 04:01:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1559 states have (on average 1.4041051956382296) internal successors, (2189), 1587 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2189 transitions. [2022-10-16 04:01:36,260 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2189 transitions. Word has length 114 [2022-10-16 04:01:36,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:36,260 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 2189 transitions. [2022-10-16 04:01:36,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:36,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2189 transitions. [2022-10-16 04:01:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:36,261 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:36,262 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] [2022-10-16 04:01:36,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 04:01:36,262 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:36,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:36,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1368364718, now seen corresponding path program 1 times [2022-10-16 04:01:36,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:36,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833220840] [2022-10-16 04:01:36,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:36,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:36,606 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 04:01:36,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:36,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833220840] [2022-10-16 04:01:36,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833220840] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:36,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:36,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:36,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506632947] [2022-10-16 04:01:36,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:36,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:36,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:36,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:36,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:36,608 INFO L87 Difference]: Start difference. First operand 1588 states and 2189 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:39,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:39,419 INFO L93 Difference]: Finished difference Result 2705 states and 3751 transitions. [2022-10-16 04:01:39,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:39,420 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:39,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:39,424 INFO L225 Difference]: With dead ends: 2705 [2022-10-16 04:01:39,424 INFO L226 Difference]: Without dead ends: 2705 [2022-10-16 04:01:39,424 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 04:01:39,425 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 6492 mSDsluCounter, 4315 mSDsCounter, 0 mSdLazyCounter, 4310 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6492 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 4492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 4310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:39,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6492 Valid, 5356 Invalid, 4492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 4310 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 04:01:39,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-10-16 04:01:39,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1588. [2022-10-16 04:01:39,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1559 states have (on average 1.4034637588197563) internal successors, (2188), 1587 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2188 transitions. [2022-10-16 04:01:39,448 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2188 transitions. Word has length 114 [2022-10-16 04:01:39,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:39,448 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 2188 transitions. [2022-10-16 04:01:39,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:39,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2188 transitions. [2022-10-16 04:01:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:39,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:39,450 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] [2022-10-16 04:01:39,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 04:01:39,451 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:39,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:39,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1167481258, now seen corresponding path program 1 times [2022-10-16 04:01:39,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:39,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143954043] [2022-10-16 04:01:39,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:39,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:39,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:39,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143954043] [2022-10-16 04:01:39,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143954043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:39,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:39,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:01:39,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378524201] [2022-10-16 04:01:39,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:39,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:39,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:39,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:39,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:39,979 INFO L87 Difference]: Start difference. First operand 1588 states and 2188 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:44,611 INFO L93 Difference]: Finished difference Result 3721 states and 5225 transitions. [2022-10-16 04:01:44,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:01:44,612 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:44,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:44,616 INFO L225 Difference]: With dead ends: 3721 [2022-10-16 04:01:44,616 INFO L226 Difference]: Without dead ends: 3721 [2022-10-16 04:01:44,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:01:44,617 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 11798 mSDsluCounter, 4896 mSDsCounter, 0 mSdLazyCounter, 4965 mSolverCounterSat, 1301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11798 SdHoareTripleChecker+Valid, 5980 SdHoareTripleChecker+Invalid, 6266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1301 IncrementalHoareTripleChecker+Valid, 4965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:44,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11798 Valid, 5980 Invalid, 6266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1301 Valid, 4965 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 04:01:44,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3721 states. [2022-10-16 04:01:44,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3721 to 1592. [2022-10-16 04:01:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.4024312220089572) internal successors, (2192), 1591 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2192 transitions. [2022-10-16 04:01:44,642 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2192 transitions. Word has length 114 [2022-10-16 04:01:44,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:44,642 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2192 transitions. [2022-10-16 04:01:44,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2192 transitions. [2022-10-16 04:01:44,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:44,644 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:44,645 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] [2022-10-16 04:01:44,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 04:01:44,645 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:44,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:44,645 INFO L85 PathProgramCache]: Analyzing trace with hash -340131803, now seen corresponding path program 1 times [2022-10-16 04:01:44,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:44,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542530879] [2022-10-16 04:01:44,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:44,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:44,993 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 04:01:44,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:44,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542530879] [2022-10-16 04:01:44,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542530879] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:44,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:44,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:44,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047860244] [2022-10-16 04:01:44,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:44,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:44,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:44,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:44,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:44,995 INFO L87 Difference]: Start difference. First operand 1592 states and 2192 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:47,839 INFO L93 Difference]: Finished difference Result 2705 states and 3749 transitions. [2022-10-16 04:01:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:47,840 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:47,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:47,843 INFO L225 Difference]: With dead ends: 2705 [2022-10-16 04:01:47,844 INFO L226 Difference]: Without dead ends: 2705 [2022-10-16 04:01:47,844 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 04:01:47,844 INFO L413 NwaCegarLoop]: 1036 mSDtfsCounter, 6498 mSDsluCounter, 4300 mSDsCounter, 0 mSdLazyCounter, 4277 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6498 SdHoareTripleChecker+Valid, 5336 SdHoareTripleChecker+Invalid, 4459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 4277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:47,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6498 Valid, 5336 Invalid, 4459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 4277 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:01:47,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-10-16 04:01:47,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1592. [2022-10-16 04:01:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.4017914267434421) internal successors, (2191), 1591 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2191 transitions. [2022-10-16 04:01:47,887 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2191 transitions. Word has length 114 [2022-10-16 04:01:47,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:47,887 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2191 transitions. [2022-10-16 04:01:47,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2191 transitions. [2022-10-16 04:01:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:47,889 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:47,889 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] [2022-10-16 04:01:47,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 04:01:47,889 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:47,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:47,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1608318294, now seen corresponding path program 1 times [2022-10-16 04:01:47,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:47,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681000945] [2022-10-16 04:01:47,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:47,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:48,176 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 04:01:48,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:48,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681000945] [2022-10-16 04:01:48,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681000945] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:48,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:48,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:48,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462447139] [2022-10-16 04:01:48,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:48,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:48,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:48,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:48,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:48,179 INFO L87 Difference]: Start difference. First operand 1592 states and 2191 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:50,565 INFO L93 Difference]: Finished difference Result 2705 states and 3747 transitions. [2022-10-16 04:01:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:50,566 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:50,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:50,570 INFO L225 Difference]: With dead ends: 2705 [2022-10-16 04:01:50,570 INFO L226 Difference]: Without dead ends: 2705 [2022-10-16 04:01:50,570 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 04:01:50,571 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 5546 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5546 SdHoareTripleChecker+Valid, 4345 SdHoareTripleChecker+Invalid, 3717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 3544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:50,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5546 Valid, 4345 Invalid, 3717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:01:50,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-10-16 04:01:50,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1592. [2022-10-16 04:01:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.401151631477927) internal successors, (2190), 1591 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2190 transitions. [2022-10-16 04:01:50,596 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2190 transitions. Word has length 114 [2022-10-16 04:01:50,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:50,596 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2190 transitions. [2022-10-16 04:01:50,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2190 transitions. [2022-10-16 04:01:50,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:50,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:50,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:50,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 04:01:50,599 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:50,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:50,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2040385468, now seen corresponding path program 1 times [2022-10-16 04:01:50,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:50,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776060594] [2022-10-16 04:01:50,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:50,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:50,965 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 04:01:50,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:50,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776060594] [2022-10-16 04:01:50,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776060594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:50,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:50,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:50,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083808714] [2022-10-16 04:01:50,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:50,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:50,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:50,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:50,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:50,968 INFO L87 Difference]: Start difference. First operand 1592 states and 2190 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:53,802 INFO L93 Difference]: Finished difference Result 2705 states and 3746 transitions. [2022-10-16 04:01:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:53,803 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:53,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:53,806 INFO L225 Difference]: With dead ends: 2705 [2022-10-16 04:01:53,806 INFO L226 Difference]: Without dead ends: 2705 [2022-10-16 04:01:53,807 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 04:01:53,807 INFO L413 NwaCegarLoop]: 1048 mSDtfsCounter, 6478 mSDsluCounter, 4336 mSDsCounter, 0 mSdLazyCounter, 4262 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6478 SdHoareTripleChecker+Valid, 5384 SdHoareTripleChecker+Invalid, 4444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 4262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:53,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6478 Valid, 5384 Invalid, 4444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 4262 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 04:01:53,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-10-16 04:01:53,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1592. [2022-10-16 04:01:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.400511836212412) internal successors, (2189), 1591 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2189 transitions. [2022-10-16 04:01:53,833 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2189 transitions. Word has length 114 [2022-10-16 04:01:53,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:53,833 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2189 transitions. [2022-10-16 04:01:53,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2189 transitions. [2022-10-16 04:01:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:53,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:53,835 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] [2022-10-16 04:01:53,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 04:01:53,835 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:53,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:53,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1422313079, now seen corresponding path program 1 times [2022-10-16 04:01:53,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:53,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805460841] [2022-10-16 04:01:53,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:53,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:54,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:54,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805460841] [2022-10-16 04:01:54,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805460841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:54,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:54,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:54,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472020889] [2022-10-16 04:01:54,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:54,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:54,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:54,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:54,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:54,100 INFO L87 Difference]: Start difference. First operand 1592 states and 2189 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:56,407 INFO L93 Difference]: Finished difference Result 2705 states and 3744 transitions. [2022-10-16 04:01:56,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:56,408 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:01:56,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:56,411 INFO L225 Difference]: With dead ends: 2705 [2022-10-16 04:01:56,411 INFO L226 Difference]: Without dead ends: 2705 [2022-10-16 04:01:56,411 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 04:01:56,412 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 5541 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 3534 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5541 SdHoareTripleChecker+Valid, 4345 SdHoareTripleChecker+Invalid, 3707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 3534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:56,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5541 Valid, 4345 Invalid, 3707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 3534 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:01:56,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-10-16 04:01:56,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1592. [2022-10-16 04:01:56,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1563 states have (on average 1.399872040946897) internal successors, (2188), 1591 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2188 transitions. [2022-10-16 04:01:56,429 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2188 transitions. Word has length 114 [2022-10-16 04:01:56,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:56,429 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2188 transitions. [2022-10-16 04:01:56,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2188 transitions. [2022-10-16 04:01:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:56,431 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:56,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:56,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 04:01:56,431 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:56,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:56,432 INFO L85 PathProgramCache]: Analyzing trace with hash -690725463, now seen corresponding path program 1 times [2022-10-16 04:01:56,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:56,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575365267] [2022-10-16 04:01:56,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:56,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:56,998 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 04:01:56,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:56,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575365267] [2022-10-16 04:01:56,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575365267] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:56,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:56,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:01:56,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947429415] [2022-10-16 04:01:56,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:57,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:01:57,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:57,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:01:57,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:01:57,000 INFO L87 Difference]: Start difference. First operand 1592 states and 2188 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:01,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:01,755 INFO L93 Difference]: Finished difference Result 3965 states and 5584 transitions. [2022-10-16 04:02:01,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:02:01,756 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:01,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:01,761 INFO L225 Difference]: With dead ends: 3965 [2022-10-16 04:02:01,761 INFO L226 Difference]: Without dead ends: 3965 [2022-10-16 04:02:01,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:02:01,762 INFO L413 NwaCegarLoop]: 1320 mSDtfsCounter, 10552 mSDsluCounter, 5145 mSDsCounter, 0 mSdLazyCounter, 5222 mSolverCounterSat, 990 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10552 SdHoareTripleChecker+Valid, 6465 SdHoareTripleChecker+Invalid, 6212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 990 IncrementalHoareTripleChecker+Valid, 5222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:01,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10552 Valid, 6465 Invalid, 6212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [990 Valid, 5222 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 04:02:01,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3965 states. [2022-10-16 04:02:01,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3965 to 1600. [2022-10-16 04:02:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1571 states have (on average 1.3978357733927436) internal successors, (2196), 1599 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2196 transitions. [2022-10-16 04:02:01,786 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2196 transitions. Word has length 114 [2022-10-16 04:02:01,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:01,786 INFO L495 AbstractCegarLoop]: Abstraction has 1600 states and 2196 transitions. [2022-10-16 04:02:01,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:01,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2196 transitions. [2022-10-16 04:02:01,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:01,789 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:01,789 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] [2022-10-16 04:02:01,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 04:02:01,789 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:01,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:01,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1099570691, now seen corresponding path program 1 times [2022-10-16 04:02:01,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:01,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820788680] [2022-10-16 04:02:01,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:01,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:02,147 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 04:02:02,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:02,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820788680] [2022-10-16 04:02:02,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820788680] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:02,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:02,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:02,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251458430] [2022-10-16 04:02:02,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:02,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:02,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:02,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:02,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:02,149 INFO L87 Difference]: Start difference. First operand 1600 states and 2196 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:04,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:04,912 INFO L93 Difference]: Finished difference Result 2713 states and 3750 transitions. [2022-10-16 04:02:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:04,912 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:04,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:04,916 INFO L225 Difference]: With dead ends: 2713 [2022-10-16 04:02:04,916 INFO L226 Difference]: Without dead ends: 2713 [2022-10-16 04:02:04,916 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 04:02:04,917 INFO L413 NwaCegarLoop]: 981 mSDtfsCounter, 6583 mSDsluCounter, 4135 mSDsCounter, 0 mSdLazyCounter, 4068 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6583 SdHoareTripleChecker+Valid, 5116 SdHoareTripleChecker+Invalid, 4252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 4068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:04,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6583 Valid, 5116 Invalid, 4252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 4068 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 04:02:04,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2022-10-16 04:02:04,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 1600. [2022-10-16 04:02:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1571 states have (on average 1.3965626989178868) internal successors, (2194), 1599 states have internal predecessors, (2194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2194 transitions. [2022-10-16 04:02:04,937 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2194 transitions. Word has length 114 [2022-10-16 04:02:04,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:04,937 INFO L495 AbstractCegarLoop]: Abstraction has 1600 states and 2194 transitions. [2022-10-16 04:02:04,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:04,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2194 transitions. [2022-10-16 04:02:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:04,939 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:04,939 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] [2022-10-16 04:02:04,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 04:02:04,939 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:04,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:04,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1590628539, now seen corresponding path program 1 times [2022-10-16 04:02:04,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:04,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497172734] [2022-10-16 04:02:04,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:04,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:05,405 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 04:02:05,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:05,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497172734] [2022-10-16 04:02:05,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497172734] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:05,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:05,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:02:05,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802802864] [2022-10-16 04:02:05,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:05,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:02:05,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:05,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:02:05,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:02:05,408 INFO L87 Difference]: Start difference. First operand 1600 states and 2194 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:10,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:10,035 INFO L93 Difference]: Finished difference Result 3965 states and 5581 transitions. [2022-10-16 04:02:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:02:10,036 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:10,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:10,040 INFO L225 Difference]: With dead ends: 3965 [2022-10-16 04:02:10,040 INFO L226 Difference]: Without dead ends: 3965 [2022-10-16 04:02:10,040 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 04:02:10,041 INFO L413 NwaCegarLoop]: 1222 mSDtfsCounter, 10512 mSDsluCounter, 5354 mSDsCounter, 0 mSdLazyCounter, 5252 mSolverCounterSat, 896 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10512 SdHoareTripleChecker+Valid, 6576 SdHoareTripleChecker+Invalid, 6148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 5252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:10,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10512 Valid, 6576 Invalid, 6148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [896 Valid, 5252 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 04:02:10,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3965 states. [2022-10-16 04:02:10,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3965 to 1608. [2022-10-16 04:02:10,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1579 states have (on average 1.3945535148828372) internal successors, (2202), 1607 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2202 transitions. [2022-10-16 04:02:10,065 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2202 transitions. Word has length 114 [2022-10-16 04:02:10,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:10,066 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2202 transitions. [2022-10-16 04:02:10,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2202 transitions. [2022-10-16 04:02:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:10,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:10,068 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] [2022-10-16 04:02:10,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 04:02:10,069 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:10,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:10,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1555279999, now seen corresponding path program 1 times [2022-10-16 04:02:10,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:10,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378711737] [2022-10-16 04:02:10,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:10,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:10,379 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 04:02:10,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:10,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378711737] [2022-10-16 04:02:10,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378711737] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:10,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:10,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:10,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927256259] [2022-10-16 04:02:10,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:10,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:10,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:10,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:10,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:10,382 INFO L87 Difference]: Start difference. First operand 1608 states and 2202 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:12,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:12,731 INFO L93 Difference]: Finished difference Result 2721 states and 3756 transitions. [2022-10-16 04:02:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:12,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:12,734 INFO L225 Difference]: With dead ends: 2721 [2022-10-16 04:02:12,734 INFO L226 Difference]: Without dead ends: 2721 [2022-10-16 04:02:12,735 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 04:02:12,735 INFO L413 NwaCegarLoop]: 1032 mSDtfsCounter, 5466 mSDsluCounter, 3328 mSDsCounter, 0 mSdLazyCounter, 3547 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5466 SdHoareTripleChecker+Valid, 4360 SdHoareTripleChecker+Invalid, 3718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 3547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:12,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5466 Valid, 4360 Invalid, 3718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 3547 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 04:02:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-10-16 04:02:12,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1608. [2022-10-16 04:02:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1579 states have (on average 1.3932868904369855) internal successors, (2200), 1607 states have internal predecessors, (2200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2200 transitions. [2022-10-16 04:02:12,759 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2200 transitions. Word has length 114 [2022-10-16 04:02:12,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:12,759 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2200 transitions. [2022-10-16 04:02:12,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:12,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2200 transitions. [2022-10-16 04:02:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:12,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:12,762 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] [2022-10-16 04:02:12,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 04:02:12,762 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:12,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:12,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1354396539, now seen corresponding path program 1 times [2022-10-16 04:02:12,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:12,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338609492] [2022-10-16 04:02:12,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:12,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:13,290 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 04:02:13,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:13,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338609492] [2022-10-16 04:02:13,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338609492] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:13,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:13,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:02:13,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313715012] [2022-10-16 04:02:13,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:13,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:02:13,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:13,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:02:13,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:02:13,293 INFO L87 Difference]: Start difference. First operand 1608 states and 2200 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:17,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:17,679 INFO L93 Difference]: Finished difference Result 3745 states and 5240 transitions. [2022-10-16 04:02:17,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:02:17,680 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:17,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:17,685 INFO L225 Difference]: With dead ends: 3745 [2022-10-16 04:02:17,685 INFO L226 Difference]: Without dead ends: 3745 [2022-10-16 04:02:17,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 04:02:17,686 INFO L413 NwaCegarLoop]: 1079 mSDtfsCounter, 11901 mSDsluCounter, 3844 mSDsCounter, 0 mSdLazyCounter, 3994 mSolverCounterSat, 1315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11901 SdHoareTripleChecker+Valid, 4923 SdHoareTripleChecker+Invalid, 5309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1315 IncrementalHoareTripleChecker+Valid, 3994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:17,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11901 Valid, 4923 Invalid, 5309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1315 Valid, 3994 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 04:02:17,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2022-10-16 04:02:17,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 1616. [2022-10-16 04:02:17,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1587 states have (on average 1.391304347826087) internal successors, (2208), 1615 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2208 transitions. [2022-10-16 04:02:17,708 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2208 transitions. Word has length 114 [2022-10-16 04:02:17,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:17,708 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2208 transitions. [2022-10-16 04:02:17,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2208 transitions. [2022-10-16 04:02:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:17,710 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:17,710 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] [2022-10-16 04:02:17,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 04:02:17,710 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:17,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:17,711 INFO L85 PathProgramCache]: Analyzing trace with hash -369561292, now seen corresponding path program 1 times [2022-10-16 04:02:17,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:17,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352940714] [2022-10-16 04:02:17,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:17,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:17,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:17,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352940714] [2022-10-16 04:02:17,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352940714] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:17,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:17,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:17,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67008171] [2022-10-16 04:02:17,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:17,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:17,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:17,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:17,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:17,976 INFO L87 Difference]: Start difference. First operand 1616 states and 2208 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:20,184 INFO L93 Difference]: Finished difference Result 2721 states and 3752 transitions. [2022-10-16 04:02:20,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:20,184 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 04:02:20,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:20,188 INFO L225 Difference]: With dead ends: 2721 [2022-10-16 04:02:20,188 INFO L226 Difference]: Without dead ends: 2721 [2022-10-16 04:02:20,188 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 04:02:20,189 INFO L413 NwaCegarLoop]: 976 mSDtfsCounter, 3822 mSDsluCounter, 3162 mSDsCounter, 0 mSdLazyCounter, 3323 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3822 SdHoareTripleChecker+Valid, 4138 SdHoareTripleChecker+Invalid, 3438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 3323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:20,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3822 Valid, 4138 Invalid, 3438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 3323 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:02:20,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-10-16 04:02:20,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1616. [2022-10-16 04:02:20,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1587 states have (on average 1.3900441083805923) internal successors, (2206), 1615 states have internal predecessors, (2206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2206 transitions. [2022-10-16 04:02:20,208 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2206 transitions. Word has length 114 [2022-10-16 04:02:20,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:20,209 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2206 transitions. [2022-10-16 04:02:20,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2206 transitions. [2022-10-16 04:02:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:02:20,211 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:20,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:20,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-10-16 04:02:20,211 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:20,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:20,212 INFO L85 PathProgramCache]: Analyzing trace with hash -2138520516, now seen corresponding path program 1 times [2022-10-16 04:02:20,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:20,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539718426] [2022-10-16 04:02:20,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:20,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:20,580 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 04:02:20,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:20,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539718426] [2022-10-16 04:02:20,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539718426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:20,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:20,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:20,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352179835] [2022-10-16 04:02:20,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:20,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:20,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:20,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:20,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:20,582 INFO L87 Difference]: Start difference. First operand 1616 states and 2206 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)