/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:49:35,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:49:35,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:49:35,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 03:49:35,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 03:49:35,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 03:49:35,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 03:49:35,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 03:49:35,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 03:49:35,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 03:49:35,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 03:49:35,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 03:49:35,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:49:35,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:49:35,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:49:35,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:49:35,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:49:35,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:49:35,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:49:35,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:49:35,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:49:35,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:49:35,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:49:35,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:49:35,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 03:49:35,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:49:35,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:49:35,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:49:35,578 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 03:49:35,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:49:35,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:49:35,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:49:35,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:49:35,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:49:35,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:49:35,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:49:35,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:49:35,635 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:49:35,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:49:35,636 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:49:35,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:49:35,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:49:35,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:49:35,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:49:35,637 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:49:35,637 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:49:35,637 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:49:35,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:49:35,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:49:35,638 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:49:35,638 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:49:35,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:49:35,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:49:35,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:49:35,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:49:35,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:49:35,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:49:35,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:49:35,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:49:35,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:49:36,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:49:36,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:49:36,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:49:36,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:49:36,076 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:49:36,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 03:49:36,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0ddd2c3/e1afc1d8ecaf4212b405f73497952480/FLAG532c95862 [2022-10-16 03:49:37,024 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:49:37,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 03:49:37,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0ddd2c3/e1afc1d8ecaf4212b405f73497952480/FLAG532c95862 [2022-10-16 03:49:37,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0ddd2c3/e1afc1d8ecaf4212b405f73497952480 [2022-10-16 03:49:37,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:49:37,193 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:49:37,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:49:37,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:49:37,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:49:37,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:49:37" (1/1) ... [2022-10-16 03:49:37,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b16cec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:37, skipping insertion in model container [2022-10-16 03:49:37,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:49:37" (1/1) ... [2022-10-16 03:49:37,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:49:37,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:49:37,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11563,11576] [2022-10-16 03:49:37,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15640,15653] [2022-10-16 03:49:37,670 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.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16861,16874] [2022-10-16 03:49:37,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17567,17580] [2022-10-16 03:49:37,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19153,19166] [2022-10-16 03:49:37,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19859,19872] [2022-10-16 03:49:37,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20930,20943] [2022-10-16 03:49:37,747 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.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23420,23433] [2022-10-16 03:49:37,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24129,24142] [2022-10-16 03:49:37,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25166,25179] [2022-10-16 03:49:37,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27104,27117] [2022-10-16 03:49:37,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31138,31151] [2022-10-16 03:49:37,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31847,31860] [2022-10-16 03:49:37,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32921,32934] [2022-10-16 03:49:37,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34896,34909] [2022-10-16 03:49:37,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38277,38290] [2022-10-16 03:49:38,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:49:38,108 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:49:38,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11563,11576] [2022-10-16 03:49:38,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15640,15653] [2022-10-16 03:49:38,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16861,16874] [2022-10-16 03:49:38,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17567,17580] [2022-10-16 03:49:38,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19153,19166] [2022-10-16 03:49:38,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19859,19872] [2022-10-16 03:49:38,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20930,20943] [2022-10-16 03:49:38,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23420,23433] [2022-10-16 03:49:38,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24129,24142] [2022-10-16 03:49:38,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25166,25179] [2022-10-16 03:49:38,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27104,27117] [2022-10-16 03:49:38,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31138,31151] [2022-10-16 03:49:38,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31847,31860] [2022-10-16 03:49:38,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32921,32934] [2022-10-16 03:49:38,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34896,34909] [2022-10-16 03:49:38,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38277,38290] [2022-10-16 03:49:38,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:49:38,499 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:49:38,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38 WrapperNode [2022-10-16 03:49:38,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:49:38,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:49:38,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:49:38,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:49:38,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,698 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3487 [2022-10-16 03:49:38,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:49:38,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:49:38,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:49:38,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:49:38,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:49:38,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:49:38,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:49:38,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:49:38,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (1/1) ... [2022-10-16 03:49:38,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:49:38,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:49:38,867 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 03:49:38,882 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 03:49:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:49:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:49:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:49:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:49:39,216 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:49:39,222 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:49:41,234 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:49:41,249 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:49:41,250 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:49:41,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:49:41 BoogieIcfgContainer [2022-10-16 03:49:41,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:49:41,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:49:41,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:49:41,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:49:41,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:49:37" (1/3) ... [2022-10-16 03:49:41,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ececec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:49:41, skipping insertion in model container [2022-10-16 03:49:41,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:38" (2/3) ... [2022-10-16 03:49:41,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ececec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:49:41, skipping insertion in model container [2022-10-16 03:49:41,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:49:41" (3/3) ... [2022-10-16 03:49:41,263 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 03:49:41,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:49:41,284 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-10-16 03:49:41,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:49:41,361 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;@486b66c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:49:41,362 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-10-16 03:49:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 630 states, 612 states have (on average 1.8496732026143792) internal successors, (1132), 629 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:49:41,378 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:41,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:49:41,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:41,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:41,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1012741, now seen corresponding path program 1 times [2022-10-16 03:49:41,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:41,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533218363] [2022-10-16 03:49:41,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:41,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:41,754 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 03:49:41,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:41,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533218363] [2022-10-16 03:49:41,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533218363] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:41,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:41,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:49:41,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011811903] [2022-10-16 03:49:41,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:41,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:49:41,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:41,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:49:41,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:49:41,805 INFO L87 Difference]: Start difference. First operand has 630 states, 612 states have (on average 1.8496732026143792) internal successors, (1132), 629 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:41,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:41,917 INFO L93 Difference]: Finished difference Result 629 states and 1115 transitions. [2022-10-16 03:49:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:49:41,923 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 03:49:41,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:41,958 INFO L225 Difference]: With dead ends: 629 [2022-10-16 03:49:41,958 INFO L226 Difference]: Without dead ends: 626 [2022-10-16 03:49:41,961 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 03:49:41,968 INFO L413 NwaCegarLoop]: 1114 mSDtfsCounter, 1112 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:41,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 1114 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:49:42,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2022-10-16 03:49:42,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2022-10-16 03:49:42,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 610 states have (on average 1.2721311475409836) internal successors, (776), 625 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:42,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 776 transitions. [2022-10-16 03:49:42,117 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 776 transitions. Word has length 4 [2022-10-16 03:49:42,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:42,118 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 776 transitions. [2022-10-16 03:49:42,118 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 03:49:42,118 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 776 transitions. [2022-10-16 03:49:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 03:49:42,134 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:42,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:42,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:49:42,136 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:42,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:42,137 INFO L85 PathProgramCache]: Analyzing trace with hash -729096350, now seen corresponding path program 1 times [2022-10-16 03:49:42,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:42,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782236457] [2022-10-16 03:49:42,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:42,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:49:42,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:42,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782236457] [2022-10-16 03:49:42,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782236457] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:42,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:42,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:49:42,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754536792] [2022-10-16 03:49:42,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:42,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:49:42,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:42,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:49:42,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:49:42,773 INFO L87 Difference]: Start difference. First operand 626 states and 776 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:43,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:43,211 INFO L93 Difference]: Finished difference Result 504 states and 637 transitions. [2022-10-16 03:49:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:49:43,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 03:49:43,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:43,225 INFO L225 Difference]: With dead ends: 504 [2022-10-16 03:49:43,225 INFO L226 Difference]: Without dead ends: 504 [2022-10-16 03:49:43,226 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 03:49:43,227 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 1848 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:43,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 390 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:49:43,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-10-16 03:49:43,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2022-10-16 03:49:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 488 states have (on average 1.305327868852459) internal successors, (637), 503 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:43,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 637 transitions. [2022-10-16 03:49:43,242 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 637 transitions. Word has length 72 [2022-10-16 03:49:43,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:43,243 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 637 transitions. [2022-10-16 03:49:43,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:43,243 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 637 transitions. [2022-10-16 03:49:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 03:49:43,246 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:43,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:43,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:49:43,247 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:43,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:43,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2012921467, now seen corresponding path program 1 times [2022-10-16 03:49:43,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:43,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089614795] [2022-10-16 03:49:43,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:43,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:43,450 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 03:49:43,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:43,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089614795] [2022-10-16 03:49:43,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089614795] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:43,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:43,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:49:43,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719004772] [2022-10-16 03:49:43,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:43,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:49:43,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:43,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:49:43,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:49:43,454 INFO L87 Difference]: Start difference. First operand 504 states and 637 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:43,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:43,967 INFO L93 Difference]: Finished difference Result 654 states and 850 transitions. [2022-10-16 03:49:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:49:43,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 03:49:43,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:43,971 INFO L225 Difference]: With dead ends: 654 [2022-10-16 03:49:43,971 INFO L226 Difference]: Without dead ends: 654 [2022-10-16 03:49:43,972 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 03:49:43,973 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 2208 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:43,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 503 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:49:43,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2022-10-16 03:49:43,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 594. [2022-10-16 03:49:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 578 states have (on average 1.3806228373702423) internal successors, (798), 593 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 798 transitions. [2022-10-16 03:49:43,991 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 798 transitions. Word has length 73 [2022-10-16 03:49:43,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:43,992 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 798 transitions. [2022-10-16 03:49:43,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:43,992 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 798 transitions. [2022-10-16 03:49:43,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 03:49:43,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:43,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:43,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:49:43,995 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:43,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:43,996 INFO L85 PathProgramCache]: Analyzing trace with hash -800948093, now seen corresponding path program 1 times [2022-10-16 03:49:43,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:43,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371842799] [2022-10-16 03:49:43,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:43,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:44,259 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 03:49:44,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:44,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371842799] [2022-10-16 03:49:44,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371842799] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:44,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:44,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:49:44,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112031651] [2022-10-16 03:49:44,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:44,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:49:44,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:44,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:49:44,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:49:44,262 INFO L87 Difference]: Start difference. First operand 594 states and 798 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:44,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:44,630 INFO L93 Difference]: Finished difference Result 574 states and 772 transitions. [2022-10-16 03:49:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:49:44,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 03:49:44,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:44,634 INFO L225 Difference]: With dead ends: 574 [2022-10-16 03:49:44,635 INFO L226 Difference]: Without dead ends: 574 [2022-10-16 03:49:44,635 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 03:49:44,637 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 1483 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:44,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 302 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:49:44,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-10-16 03:49:44,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2022-10-16 03:49:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 558 states have (on average 1.3835125448028673) internal successors, (772), 573 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 772 transitions. [2022-10-16 03:49:44,655 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 772 transitions. Word has length 74 [2022-10-16 03:49:44,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:44,655 INFO L495 AbstractCegarLoop]: Abstraction has 574 states and 772 transitions. [2022-10-16 03:49:44,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:44,656 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 772 transitions. [2022-10-16 03:49:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 03:49:44,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:44,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:44,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:49:44,658 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:44,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:44,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1628151892, now seen corresponding path program 1 times [2022-10-16 03:49:44,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:44,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764291858] [2022-10-16 03:49:44,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:44,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:44,841 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 03:49:44,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:44,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764291858] [2022-10-16 03:49:44,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764291858] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:44,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:44,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:49:44,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405671006] [2022-10-16 03:49:44,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:44,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:49:44,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:44,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:49:44,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:49:44,844 INFO L87 Difference]: Start difference. First operand 574 states and 772 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:45,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:45,165 INFO L93 Difference]: Finished difference Result 558 states and 752 transitions. [2022-10-16 03:49:45,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:49:45,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 03:49:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:45,171 INFO L225 Difference]: With dead ends: 558 [2022-10-16 03:49:45,172 INFO L226 Difference]: Without dead ends: 558 [2022-10-16 03:49:45,173 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 03:49:45,181 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1460 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1460 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:45,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1460 Valid, 308 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:49:45,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2022-10-16 03:49:45,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2022-10-16 03:49:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 542 states have (on average 1.3874538745387455) internal successors, (752), 557 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 752 transitions. [2022-10-16 03:49:45,207 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 752 transitions. Word has length 75 [2022-10-16 03:49:45,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:45,209 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 752 transitions. [2022-10-16 03:49:45,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:45,210 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 752 transitions. [2022-10-16 03:49:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 03:49:45,212 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:45,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:45,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:49:45,213 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:45,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:45,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1037752348, now seen corresponding path program 1 times [2022-10-16 03:49:45,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:45,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847542780] [2022-10-16 03:49:45,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:45,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:45,468 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 03:49:45,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:45,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847542780] [2022-10-16 03:49:45,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847542780] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:45,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:45,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:49:45,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327786818] [2022-10-16 03:49:45,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:45,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:49:45,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:45,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:49:45,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:49:45,477 INFO L87 Difference]: Start difference. First operand 558 states and 752 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:45,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:45,748 INFO L93 Difference]: Finished difference Result 547 states and 738 transitions. [2022-10-16 03:49:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:49:45,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 03:49:45,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:45,757 INFO L225 Difference]: With dead ends: 547 [2022-10-16 03:49:45,757 INFO L226 Difference]: Without dead ends: 547 [2022-10-16 03:49:45,758 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 03:49:45,759 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1443 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:45,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 305 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:49:45,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-10-16 03:49:45,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2022-10-16 03:49:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.3898305084745763) internal successors, (738), 546 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 738 transitions. [2022-10-16 03:49:45,777 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 738 transitions. Word has length 76 [2022-10-16 03:49:45,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:45,777 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 738 transitions. [2022-10-16 03:49:45,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 738 transitions. [2022-10-16 03:49:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:49:45,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:45,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:45,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:49:45,780 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:45,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:45,781 INFO L85 PathProgramCache]: Analyzing trace with hash -142744767, now seen corresponding path program 1 times [2022-10-16 03:49:45,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:45,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927429289] [2022-10-16 03:49:45,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:45,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:46,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:49:46,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:46,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927429289] [2022-10-16 03:49:46,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927429289] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:46,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:46,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:49:46,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93171359] [2022-10-16 03:49:46,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:46,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:49:46,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:46,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:49:46,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:49:46,226 INFO L87 Difference]: Start difference. First operand 547 states and 738 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:47,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:47,194 INFO L93 Difference]: Finished difference Result 1112 states and 1532 transitions. [2022-10-16 03:49:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:49:47,194 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 03:49:47,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:47,202 INFO L225 Difference]: With dead ends: 1112 [2022-10-16 03:49:47,202 INFO L226 Difference]: Without dead ends: 1112 [2022-10-16 03:49:47,203 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 03:49:47,204 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 1580 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:47,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 1415 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:49:47,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-10-16 03:49:47,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 547. [2022-10-16 03:49:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.3879472693032016) internal successors, (737), 546 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:47,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 737 transitions. [2022-10-16 03:49:47,226 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 737 transitions. Word has length 77 [2022-10-16 03:49:47,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:47,227 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 737 transitions. [2022-10-16 03:49:47,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 737 transitions. [2022-10-16 03:49:47,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:49:47,229 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:47,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:47,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:49:47,229 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:47,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:47,230 INFO L85 PathProgramCache]: Analyzing trace with hash -2022253705, now seen corresponding path program 1 times [2022-10-16 03:49:47,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:47,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642830911] [2022-10-16 03:49:47,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:47,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:47,875 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 03:49:47,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:47,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642830911] [2022-10-16 03:49:47,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642830911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:47,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:47,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:49:47,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034597649] [2022-10-16 03:49:47,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:47,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:49:47,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:47,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:49:47,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:49:47,878 INFO L87 Difference]: Start difference. First operand 547 states and 737 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:49,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:49,045 INFO L93 Difference]: Finished difference Result 961 states and 1310 transitions. [2022-10-16 03:49:49,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:49:49,046 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 03:49:49,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:49,055 INFO L225 Difference]: With dead ends: 961 [2022-10-16 03:49:49,055 INFO L226 Difference]: Without dead ends: 961 [2022-10-16 03:49:49,055 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 03:49:49,057 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 2707 mSDsluCounter, 1464 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2707 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:49,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2707 Valid, 1793 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:49:49,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2022-10-16 03:49:49,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 547. [2022-10-16 03:49:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.3860640301318268) internal successors, (736), 546 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 736 transitions. [2022-10-16 03:49:49,081 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 736 transitions. Word has length 77 [2022-10-16 03:49:49,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:49,081 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 736 transitions. [2022-10-16 03:49:49,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 736 transitions. [2022-10-16 03:49:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:49:49,083 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:49,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:49,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:49:49,084 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:49,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:49,085 INFO L85 PathProgramCache]: Analyzing trace with hash 679839246, now seen corresponding path program 1 times [2022-10-16 03:49:49,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:49,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344630256] [2022-10-16 03:49:49,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:49,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:49,574 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 03:49:49,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:49,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344630256] [2022-10-16 03:49:49,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344630256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:49,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:49,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:49:49,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230064221] [2022-10-16 03:49:49,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:49,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:49:49,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:49,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:49:49,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:49:49,577 INFO L87 Difference]: Start difference. First operand 547 states and 736 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:50,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:50,268 INFO L93 Difference]: Finished difference Result 778 states and 1022 transitions. [2022-10-16 03:49:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:49:50,268 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 03:49:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:50,273 INFO L225 Difference]: With dead ends: 778 [2022-10-16 03:49:50,273 INFO L226 Difference]: Without dead ends: 778 [2022-10-16 03:49:50,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:49:50,274 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 2174 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:50,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 933 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:49:50,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2022-10-16 03:49:50,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 547. [2022-10-16 03:49:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.384180790960452) internal successors, (735), 546 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 735 transitions. [2022-10-16 03:49:50,293 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 735 transitions. Word has length 77 [2022-10-16 03:49:50,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:50,293 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 735 transitions. [2022-10-16 03:49:50,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 735 transitions. [2022-10-16 03:49:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 03:49:50,295 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:50,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:50,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:49:50,296 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:50,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:50,297 INFO L85 PathProgramCache]: Analyzing trace with hash -204100811, now seen corresponding path program 1 times [2022-10-16 03:49:50,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:50,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120708475] [2022-10-16 03:49:50,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:50,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:51,111 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 03:49:51,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:51,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120708475] [2022-10-16 03:49:51,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120708475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:51,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:51,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:49:51,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016601777] [2022-10-16 03:49:51,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:51,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:49:51,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:51,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:49:51,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:49:51,115 INFO L87 Difference]: Start difference. First operand 547 states and 735 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:53,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:53,448 INFO L93 Difference]: Finished difference Result 2154 states and 3053 transitions. [2022-10-16 03:49:53,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:49:53,449 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 03:49:53,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:53,460 INFO L225 Difference]: With dead ends: 2154 [2022-10-16 03:49:53,460 INFO L226 Difference]: Without dead ends: 2154 [2022-10-16 03:49:53,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:49:53,462 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 5095 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5095 SdHoareTripleChecker+Valid, 2143 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 400 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:53,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5095 Valid, 2143 Invalid, 2112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [400 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:49:53,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-10-16 03:49:53,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 551. [2022-10-16 03:49:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3813084112149532) internal successors, (739), 550 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 739 transitions. [2022-10-16 03:49:53,494 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 739 transitions. Word has length 79 [2022-10-16 03:49:53,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:53,494 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 739 transitions. [2022-10-16 03:49:53,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 739 transitions. [2022-10-16 03:49:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 03:49:53,496 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:53,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:53,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:49:53,498 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:53,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:53,499 INFO L85 PathProgramCache]: Analyzing trace with hash -612946039, now seen corresponding path program 1 times [2022-10-16 03:49:53,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:53,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761434631] [2022-10-16 03:49:53,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:53,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:49:53,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:53,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761434631] [2022-10-16 03:49:53,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761434631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:53,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:53,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:49:53,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526420670] [2022-10-16 03:49:53,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:53,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:49:53,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:53,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:49:53,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:49:53,948 INFO L87 Difference]: Start difference. First operand 551 states and 739 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:54,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:54,956 INFO L93 Difference]: Finished difference Result 1116 states and 1533 transitions. [2022-10-16 03:49:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:49:54,957 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 03:49:54,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:54,963 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:49:54,963 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:49:54,964 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 03:49:54,965 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 2988 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 1432 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:54,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2988 Valid, 1432 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:49:54,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:49:54,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 551. [2022-10-16 03:49:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3794392523364487) internal successors, (738), 550 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:54,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 738 transitions. [2022-10-16 03:49:54,992 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 738 transitions. Word has length 79 [2022-10-16 03:49:54,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:54,993 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 738 transitions. [2022-10-16 03:49:54,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:54,993 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 738 transitions. [2022-10-16 03:49:54,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 03:49:54,995 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:54,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:54,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:49:54,996 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:54,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:54,996 INFO L85 PathProgramCache]: Analyzing trace with hash 391973260, now seen corresponding path program 1 times [2022-10-16 03:49:54,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:54,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744694001] [2022-10-16 03:49:54,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:54,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:55,414 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 03:49:55,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:55,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744694001] [2022-10-16 03:49:55,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744694001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:55,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:55,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:49:55,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222271754] [2022-10-16 03:49:55,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:55,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:49:55,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:55,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:49:55,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:49:55,417 INFO L87 Difference]: Start difference. First operand 551 states and 738 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:56,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:56,332 INFO L93 Difference]: Finished difference Result 1116 states and 1532 transitions. [2022-10-16 03:49:56,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:49:56,333 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 03:49:56,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:56,339 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:49:56,339 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:49:56,340 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 03:49:56,341 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 3024 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3024 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:56,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3024 Valid, 1400 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:49:56,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:49:56,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 551. [2022-10-16 03:49:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.377570093457944) internal successors, (737), 550 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:56,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 737 transitions. [2022-10-16 03:49:56,363 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 737 transitions. Word has length 79 [2022-10-16 03:49:56,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:56,364 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 737 transitions. [2022-10-16 03:49:56,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 737 transitions. [2022-10-16 03:49:56,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 03:49:56,365 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:56,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:56,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:49:56,366 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:56,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:56,367 INFO L85 PathProgramCache]: Analyzing trace with hash -757085498, now seen corresponding path program 1 times [2022-10-16 03:49:56,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:56,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820936434] [2022-10-16 03:49:56,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:56,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:56,744 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 03:49:56,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:56,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820936434] [2022-10-16 03:49:56,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820936434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:56,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:56,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:49:56,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42983312] [2022-10-16 03:49:56,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:56,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:49:56,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:56,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:49:56,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:49:56,747 INFO L87 Difference]: Start difference. First operand 551 states and 737 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:57,843 INFO L93 Difference]: Finished difference Result 1136 states and 1567 transitions. [2022-10-16 03:49:57,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:49:57,844 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 03:49:57,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:57,851 INFO L225 Difference]: With dead ends: 1136 [2022-10-16 03:49:57,851 INFO L226 Difference]: Without dead ends: 1136 [2022-10-16 03:49:57,851 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 03:49:57,853 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 2546 mSDsluCounter, 1599 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2546 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:57,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2546 Valid, 1954 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:49:57,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-10-16 03:49:57,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 551. [2022-10-16 03:49:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3757009345794393) internal successors, (736), 550 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 736 transitions. [2022-10-16 03:49:57,875 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 736 transitions. Word has length 79 [2022-10-16 03:49:57,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:57,876 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 736 transitions. [2022-10-16 03:49:57,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 736 transitions. [2022-10-16 03:49:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 03:49:57,878 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:57,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:57,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:49:57,878 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:57,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:57,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1786631023, now seen corresponding path program 1 times [2022-10-16 03:49:57,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:57,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183839425] [2022-10-16 03:49:57,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:57,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:49:58,370 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 03:49:58,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:49:58,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183839425] [2022-10-16 03:49:58,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183839425] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:49:58,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:49:58,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:49:58,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034877097] [2022-10-16 03:49:58,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:49:58,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:49:58,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:49:58,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:49:58,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:49:58,375 INFO L87 Difference]: Start difference. First operand 551 states and 736 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:59,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:49:59,524 INFO L93 Difference]: Finished difference Result 1178 states and 1605 transitions. [2022-10-16 03:49:59,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:49:59,524 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 03:49:59,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:49:59,531 INFO L225 Difference]: With dead ends: 1178 [2022-10-16 03:49:59,531 INFO L226 Difference]: Without dead ends: 1178 [2022-10-16 03:49:59,532 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 03:49:59,532 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 3208 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3208 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:49:59,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3208 Valid, 1663 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:49:59,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2022-10-16 03:49:59,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 565. [2022-10-16 03:49:59,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 549 states have (on average 1.3770491803278688) internal successors, (756), 564 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 756 transitions. [2022-10-16 03:49:59,557 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 756 transitions. Word has length 79 [2022-10-16 03:49:59,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:49:59,558 INFO L495 AbstractCegarLoop]: Abstraction has 565 states and 756 transitions. [2022-10-16 03:49:59,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:49:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 756 transitions. [2022-10-16 03:49:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 03:49:59,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:49:59,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:49:59,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:49:59,560 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:49:59,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:49:59,561 INFO L85 PathProgramCache]: Analyzing trace with hash -125566079, now seen corresponding path program 1 times [2022-10-16 03:49:59,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:49:59,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324859153] [2022-10-16 03:49:59,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:49:59,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:49:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:00,172 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 03:50:00,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:00,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324859153] [2022-10-16 03:50:00,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324859153] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:00,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:00,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 03:50:00,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979263674] [2022-10-16 03:50:00,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:00,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 03:50:00,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:00,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 03:50:00,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:50:00,175 INFO L87 Difference]: Start difference. First operand 565 states and 756 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:01,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:01,481 INFO L93 Difference]: Finished difference Result 941 states and 1301 transitions. [2022-10-16 03:50:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 03:50:01,482 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 03:50:01,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:01,487 INFO L225 Difference]: With dead ends: 941 [2022-10-16 03:50:01,487 INFO L226 Difference]: Without dead ends: 941 [2022-10-16 03:50:01,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:50:01,488 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 2141 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:01,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 1880 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:50:01,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2022-10-16 03:50:01,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 551. [2022-10-16 03:50:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.37196261682243) internal successors, (734), 550 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 734 transitions. [2022-10-16 03:50:01,506 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 734 transitions. Word has length 79 [2022-10-16 03:50:01,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:01,506 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 734 transitions. [2022-10-16 03:50:01,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 734 transitions. [2022-10-16 03:50:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 03:50:01,508 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:01,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:01,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:50:01,509 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:01,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:01,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1207195179, now seen corresponding path program 1 times [2022-10-16 03:50:01,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:01,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496754848] [2022-10-16 03:50:01,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:01,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:01,876 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 03:50:01,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:01,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496754848] [2022-10-16 03:50:01,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496754848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:01,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:01,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:01,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537711722] [2022-10-16 03:50:01,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:01,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:01,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:01,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:01,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:01,881 INFO L87 Difference]: Start difference. First operand 551 states and 734 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:02,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:02,838 INFO L93 Difference]: Finished difference Result 1116 states and 1527 transitions. [2022-10-16 03:50:02,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:02,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 03:50:02,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:02,845 INFO L225 Difference]: With dead ends: 1116 [2022-10-16 03:50:02,845 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 03:50:02,846 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 03:50:02,847 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 2871 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:02,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2871 Valid, 1502 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:50:02,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 03:50:02,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 551. [2022-10-16 03:50:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3682242990654205) internal successors, (732), 550 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:02,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 732 transitions. [2022-10-16 03:50:02,867 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 732 transitions. Word has length 79 [2022-10-16 03:50:02,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:02,868 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 732 transitions. [2022-10-16 03:50:02,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:02,868 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 732 transitions. [2022-10-16 03:50:02,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 03:50:02,869 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:02,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:02,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:50:02,870 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:02,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:02,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1616040407, now seen corresponding path program 1 times [2022-10-16 03:50:02,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:02,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568553505] [2022-10-16 03:50:02,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:02,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:03,161 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 03:50:03,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:03,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568553505] [2022-10-16 03:50:03,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568553505] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:03,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:03,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:03,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502620870] [2022-10-16 03:50:03,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:03,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:03,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:03,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:03,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:03,164 INFO L87 Difference]: Start difference. First operand 551 states and 732 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:04,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:04,090 INFO L93 Difference]: Finished difference Result 1136 states and 1561 transitions. [2022-10-16 03:50:04,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:04,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 03:50:04,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:04,096 INFO L225 Difference]: With dead ends: 1136 [2022-10-16 03:50:04,097 INFO L226 Difference]: Without dead ends: 1136 [2022-10-16 03:50:04,097 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 03:50:04,098 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 2033 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:04,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2033 Valid, 1787 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:50:04,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-10-16 03:50:04,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 551. [2022-10-16 03:50:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3644859813084111) internal successors, (730), 550 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 730 transitions. [2022-10-16 03:50:04,118 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 730 transitions. Word has length 79 [2022-10-16 03:50:04,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:04,118 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 730 transitions. [2022-10-16 03:50:04,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:04,119 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 730 transitions. [2022-10-16 03:50:04,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 03:50:04,120 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:04,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:04,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:50:04,121 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:04,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:04,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1975429315, now seen corresponding path program 1 times [2022-10-16 03:50:04,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:04,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197088845] [2022-10-16 03:50:04,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:04,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:04,413 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 03:50:04,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:04,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197088845] [2022-10-16 03:50:04,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197088845] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:04,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:04,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:04,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100233950] [2022-10-16 03:50:04,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:04,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:04,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:04,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:04,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:04,416 INFO L87 Difference]: Start difference. First operand 551 states and 730 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:05,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:05,370 INFO L93 Difference]: Finished difference Result 1136 states and 1560 transitions. [2022-10-16 03:50:05,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:05,371 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 03:50:05,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:05,380 INFO L225 Difference]: With dead ends: 1136 [2022-10-16 03:50:05,381 INFO L226 Difference]: Without dead ends: 1136 [2022-10-16 03:50:05,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:50:05,382 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 1383 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 1923 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:05,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 1923 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:50:05,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-10-16 03:50:05,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 547. [2022-10-16 03:50:05,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.3653483992467044) internal successors, (725), 546 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:05,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 725 transitions. [2022-10-16 03:50:05,402 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 725 transitions. Word has length 80 [2022-10-16 03:50:05,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:05,403 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 725 transitions. [2022-10-16 03:50:05,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:05,403 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 725 transitions. [2022-10-16 03:50:05,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:05,404 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:05,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:05,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:50:05,405 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:05,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:05,406 INFO L85 PathProgramCache]: Analyzing trace with hash 2135531548, now seen corresponding path program 1 times [2022-10-16 03:50:05,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:05,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803136212] [2022-10-16 03:50:05,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:05,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:05,798 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 03:50:05,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:05,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803136212] [2022-10-16 03:50:05,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803136212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:05,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:05,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:05,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162381467] [2022-10-16 03:50:05,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:05,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:05,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:05,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:05,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:05,802 INFO L87 Difference]: Start difference. First operand 547 states and 725 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:06,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:06,903 INFO L93 Difference]: Finished difference Result 1088 states and 1478 transitions. [2022-10-16 03:50:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:06,903 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:06,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:06,909 INFO L225 Difference]: With dead ends: 1088 [2022-10-16 03:50:06,909 INFO L226 Difference]: Without dead ends: 1088 [2022-10-16 03:50:06,910 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 03:50:06,911 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 2342 mSDsluCounter, 1547 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2342 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:06,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2342 Valid, 1909 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:50:06,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-10-16 03:50:06,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 547. [2022-10-16 03:50:06,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.3634651600753296) internal successors, (724), 546 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 724 transitions. [2022-10-16 03:50:06,932 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 724 transitions. Word has length 81 [2022-10-16 03:50:06,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:06,932 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 724 transitions. [2022-10-16 03:50:06,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 724 transitions. [2022-10-16 03:50:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:06,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:06,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:06,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:50:06,935 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:06,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:06,935 INFO L85 PathProgramCache]: Analyzing trace with hash -247238646, now seen corresponding path program 1 times [2022-10-16 03:50:06,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:06,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64628302] [2022-10-16 03:50:06,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:06,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:07,225 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 03:50:07,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:07,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64628302] [2022-10-16 03:50:07,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64628302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:07,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:07,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:07,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612379622] [2022-10-16 03:50:07,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:07,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:07,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:07,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:07,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:07,231 INFO L87 Difference]: Start difference. First operand 547 states and 724 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:08,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:08,198 INFO L93 Difference]: Finished difference Result 1112 states and 1516 transitions. [2022-10-16 03:50:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:08,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:08,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:08,205 INFO L225 Difference]: With dead ends: 1112 [2022-10-16 03:50:08,205 INFO L226 Difference]: Without dead ends: 1112 [2022-10-16 03:50:08,205 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 03:50:08,206 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 1912 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 1423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:08,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 1818 Invalid, 1423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:50:08,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-10-16 03:50:08,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 547. [2022-10-16 03:50:08,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.3615819209039548) internal successors, (723), 546 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 723 transitions. [2022-10-16 03:50:08,226 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 723 transitions. Word has length 81 [2022-10-16 03:50:08,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:08,226 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 723 transitions. [2022-10-16 03:50:08,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 723 transitions. [2022-10-16 03:50:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:08,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:08,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:08,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:50:08,229 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:08,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:08,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1648828412, now seen corresponding path program 1 times [2022-10-16 03:50:08,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:08,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769972051] [2022-10-16 03:50:08,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:08,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:08,564 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 03:50:08,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:08,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769972051] [2022-10-16 03:50:08,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769972051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:08,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:08,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:08,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312762453] [2022-10-16 03:50:08,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:08,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:08,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:08,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:08,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:08,568 INFO L87 Difference]: Start difference. First operand 547 states and 723 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:09,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:09,739 INFO L93 Difference]: Finished difference Result 1088 states and 1476 transitions. [2022-10-16 03:50:09,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:09,740 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:09,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:09,746 INFO L225 Difference]: With dead ends: 1088 [2022-10-16 03:50:09,746 INFO L226 Difference]: Without dead ends: 1088 [2022-10-16 03:50:09,746 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 03:50:09,747 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 2238 mSDsluCounter, 1711 mSDsCounter, 0 mSdLazyCounter, 1605 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2238 SdHoareTripleChecker+Valid, 2127 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:09,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2238 Valid, 2127 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1605 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:50:09,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-10-16 03:50:09,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 547. [2022-10-16 03:50:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.35969868173258) internal successors, (722), 546 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 722 transitions. [2022-10-16 03:50:09,764 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 722 transitions. Word has length 81 [2022-10-16 03:50:09,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:09,765 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 722 transitions. [2022-10-16 03:50:09,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:09,765 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 722 transitions. [2022-10-16 03:50:09,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:09,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:09,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:09,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:50:09,767 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:09,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:09,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1380394973, now seen corresponding path program 1 times [2022-10-16 03:50:09,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:09,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077679560] [2022-10-16 03:50:09,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:09,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:10,300 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 03:50:10,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:10,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077679560] [2022-10-16 03:50:10,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077679560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:10,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:10,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:50:10,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118856068] [2022-10-16 03:50:10,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:10,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:50:10,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:10,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:50:10,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:50:10,304 INFO L87 Difference]: Start difference. First operand 547 states and 722 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:12,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:12,517 INFO L93 Difference]: Finished difference Result 1757 states and 2440 transitions. [2022-10-16 03:50:12,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:50:12,520 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:12,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:12,527 INFO L225 Difference]: With dead ends: 1757 [2022-10-16 03:50:12,528 INFO L226 Difference]: Without dead ends: 1757 [2022-10-16 03:50:12,528 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 03:50:12,529 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 4741 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 1825 mSolverCounterSat, 565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4741 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 2390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 1825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:12,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4741 Valid, 2272 Invalid, 2390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 1825 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:50:12,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2022-10-16 03:50:12,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 551. [2022-10-16 03:50:12,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3570093457943926) internal successors, (726), 550 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:12,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 726 transitions. [2022-10-16 03:50:12,550 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 726 transitions. Word has length 81 [2022-10-16 03:50:12,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:12,551 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 726 transitions. [2022-10-16 03:50:12,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 726 transitions. [2022-10-16 03:50:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:12,552 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:12,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:12,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:50:12,553 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:12,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:12,554 INFO L85 PathProgramCache]: Analyzing trace with hash -90069907, now seen corresponding path program 1 times [2022-10-16 03:50:12,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:12,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613845880] [2022-10-16 03:50:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:12,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:12,944 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 03:50:12,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:12,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613845880] [2022-10-16 03:50:12,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613845880] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:12,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:12,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:12,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090546885] [2022-10-16 03:50:12,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:12,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:12,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:12,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:12,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:12,950 INFO L87 Difference]: Start difference. First operand 551 states and 726 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:14,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:14,116 INFO L93 Difference]: Finished difference Result 1088 states and 1474 transitions. [2022-10-16 03:50:14,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:14,117 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:14,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:14,121 INFO L225 Difference]: With dead ends: 1088 [2022-10-16 03:50:14,122 INFO L226 Difference]: Without dead ends: 1088 [2022-10-16 03:50:14,123 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 03:50:14,124 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 2231 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2231 SdHoareTripleChecker+Valid, 2131 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:14,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2231 Valid, 2131 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:50:14,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-10-16 03:50:14,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 551. [2022-10-16 03:50:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.355140186915888) internal successors, (725), 550 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 725 transitions. [2022-10-16 03:50:14,142 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 725 transitions. Word has length 81 [2022-10-16 03:50:14,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:14,142 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 725 transitions. [2022-10-16 03:50:14,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 725 transitions. [2022-10-16 03:50:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:14,144 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:14,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:14,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:50:14,145 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:14,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:14,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1355696644, now seen corresponding path program 1 times [2022-10-16 03:50:14,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:14,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395649533] [2022-10-16 03:50:14,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:14,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:14,484 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 03:50:14,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:14,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395649533] [2022-10-16 03:50:14,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395649533] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:14,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:14,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:14,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430534525] [2022-10-16 03:50:14,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:14,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:14,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:14,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:14,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:14,487 INFO L87 Difference]: Start difference. First operand 551 states and 725 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:15,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:15,527 INFO L93 Difference]: Finished difference Result 1088 states and 1472 transitions. [2022-10-16 03:50:15,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:15,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:15,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:15,533 INFO L225 Difference]: With dead ends: 1088 [2022-10-16 03:50:15,533 INFO L226 Difference]: Without dead ends: 1088 [2022-10-16 03:50:15,534 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 03:50:15,534 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 1489 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:15,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 1849 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:50:15,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-10-16 03:50:15,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 551. [2022-10-16 03:50:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3532710280373832) internal successors, (724), 550 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 724 transitions. [2022-10-16 03:50:15,551 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 724 transitions. Word has length 81 [2022-10-16 03:50:15,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:15,551 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 724 transitions. [2022-10-16 03:50:15,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:15,552 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 724 transitions. [2022-10-16 03:50:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:15,553 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:15,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:15,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:50:15,554 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:15,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:15,554 INFO L85 PathProgramCache]: Analyzing trace with hash 558624169, now seen corresponding path program 1 times [2022-10-16 03:50:15,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:15,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086859632] [2022-10-16 03:50:15,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:15,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:16,089 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 03:50:16,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:16,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086859632] [2022-10-16 03:50:16,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086859632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:16,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:16,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:50:16,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523803831] [2022-10-16 03:50:16,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:16,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:50:16,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:16,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:50:16,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:50:16,092 INFO L87 Difference]: Start difference. First operand 551 states and 724 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:18,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:18,186 INFO L93 Difference]: Finished difference Result 1754 states and 2433 transitions. [2022-10-16 03:50:18,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:50:18,187 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:18,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:18,196 INFO L225 Difference]: With dead ends: 1754 [2022-10-16 03:50:18,196 INFO L226 Difference]: Without dead ends: 1754 [2022-10-16 03:50:18,197 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 03:50:18,197 INFO L413 NwaCegarLoop]: 421 mSDtfsCounter, 4855 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4855 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 2041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 574 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:18,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4855 Valid, 1836 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [574 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:50:18,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2022-10-16 03:50:18,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 555. [2022-10-16 03:50:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3506493506493507) internal successors, (728), 554 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 728 transitions. [2022-10-16 03:50:18,218 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 728 transitions. Word has length 81 [2022-10-16 03:50:18,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:18,218 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 728 transitions. [2022-10-16 03:50:18,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 728 transitions. [2022-10-16 03:50:18,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:18,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:18,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:18,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:50:18,220 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:18,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:18,221 INFO L85 PathProgramCache]: Analyzing trace with hash -237124242, now seen corresponding path program 1 times [2022-10-16 03:50:18,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:18,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874910448] [2022-10-16 03:50:18,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:18,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:18,594 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 03:50:18,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:18,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874910448] [2022-10-16 03:50:18,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874910448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:18,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:18,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:18,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367429527] [2022-10-16 03:50:18,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:18,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:18,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:18,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:18,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:18,598 INFO L87 Difference]: Start difference. First operand 555 states and 728 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:19,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:19,662 INFO L93 Difference]: Finished difference Result 1088 states and 1470 transitions. [2022-10-16 03:50:19,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:19,663 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:19,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:19,669 INFO L225 Difference]: With dead ends: 1088 [2022-10-16 03:50:19,669 INFO L226 Difference]: Without dead ends: 1088 [2022-10-16 03:50:19,670 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 03:50:19,671 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 2306 mSDsluCounter, 1572 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2306 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:19,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2306 Valid, 1941 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:50:19,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-10-16 03:50:19,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 555. [2022-10-16 03:50:19,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3487940630797774) internal successors, (727), 554 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:19,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 727 transitions. [2022-10-16 03:50:19,686 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 727 transitions. Word has length 81 [2022-10-16 03:50:19,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:19,686 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 727 transitions. [2022-10-16 03:50:19,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 727 transitions. [2022-10-16 03:50:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:19,688 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:19,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:19,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:50:19,688 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:19,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:19,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1610096682, now seen corresponding path program 1 times [2022-10-16 03:50:19,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:19,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490459737] [2022-10-16 03:50:19,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:19,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:19,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:19,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490459737] [2022-10-16 03:50:19,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490459737] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:19,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:19,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:19,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319972196] [2022-10-16 03:50:19,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:19,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:19,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:19,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:19,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:19,984 INFO L87 Difference]: Start difference. First operand 555 states and 727 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:20,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:20,780 INFO L93 Difference]: Finished difference Result 1120 states and 1516 transitions. [2022-10-16 03:50:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:20,781 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:20,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:20,784 INFO L225 Difference]: With dead ends: 1120 [2022-10-16 03:50:20,784 INFO L226 Difference]: Without dead ends: 1120 [2022-10-16 03:50:20,785 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 03:50:20,785 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 2269 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:20,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2269 Valid, 1608 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:50:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2022-10-16 03:50:20,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 555. [2022-10-16 03:50:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3450834879406308) internal successors, (725), 554 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 725 transitions. [2022-10-16 03:50:20,801 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 725 transitions. Word has length 81 [2022-10-16 03:50:20,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:20,802 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 725 transitions. [2022-10-16 03:50:20,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 725 transitions. [2022-10-16 03:50:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:20,803 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:20,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:20,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:50:20,804 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:20,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:20,804 INFO L85 PathProgramCache]: Analyzing trace with hash -302100420, now seen corresponding path program 1 times [2022-10-16 03:50:20,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:20,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76460696] [2022-10-16 03:50:20,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:20,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:21,129 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 03:50:21,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:21,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76460696] [2022-10-16 03:50:21,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76460696] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:21,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:21,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:21,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574192643] [2022-10-16 03:50:21,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:21,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:21,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:21,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:21,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:21,131 INFO L87 Difference]: Start difference. First operand 555 states and 725 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:22,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:22,238 INFO L93 Difference]: Finished difference Result 1088 states and 1466 transitions. [2022-10-16 03:50:22,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:22,239 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:22,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:22,242 INFO L225 Difference]: With dead ends: 1088 [2022-10-16 03:50:22,242 INFO L226 Difference]: Without dead ends: 1088 [2022-10-16 03:50:22,242 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 03:50:22,243 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 2281 mSDsluCounter, 1610 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 1993 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:22,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 1993 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:50:22,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-10-16 03:50:22,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 555. [2022-10-16 03:50:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3413729128014842) internal successors, (723), 554 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 723 transitions. [2022-10-16 03:50:22,258 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 723 transitions. Word has length 81 [2022-10-16 03:50:22,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:22,258 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 723 transitions. [2022-10-16 03:50:22,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 723 transitions. [2022-10-16 03:50:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:22,260 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:22,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:22,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:50:22,260 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:22,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:22,261 INFO L85 PathProgramCache]: Analyzing trace with hash -286808248, now seen corresponding path program 1 times [2022-10-16 03:50:22,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:22,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394443025] [2022-10-16 03:50:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:22,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:22,765 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 03:50:22,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:22,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394443025] [2022-10-16 03:50:22,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394443025] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:22,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:22,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:50:22,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109695014] [2022-10-16 03:50:22,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:22,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:50:22,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:22,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:50:22,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:50:22,768 INFO L87 Difference]: Start difference. First operand 555 states and 723 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:25,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:25,066 INFO L93 Difference]: Finished difference Result 2196 states and 3074 transitions. [2022-10-16 03:50:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:50:25,066 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:25,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:25,071 INFO L225 Difference]: With dead ends: 2196 [2022-10-16 03:50:25,071 INFO L226 Difference]: Without dead ends: 2196 [2022-10-16 03:50:25,072 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 03:50:25,072 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 4048 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4048 SdHoareTripleChecker+Valid, 2793 SdHoareTripleChecker+Invalid, 2392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:25,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4048 Valid, 2793 Invalid, 2392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 2059 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 03:50:25,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2022-10-16 03:50:25,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 563. [2022-10-16 03:50:25,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 547 states have (on average 1.336380255941499) internal successors, (731), 562 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:25,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 731 transitions. [2022-10-16 03:50:25,091 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 731 transitions. Word has length 81 [2022-10-16 03:50:25,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:25,091 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 731 transitions. [2022-10-16 03:50:25,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:25,092 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 731 transitions. [2022-10-16 03:50:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:25,093 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:25,093 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:25,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:50:25,094 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:25,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:25,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1055423202, now seen corresponding path program 1 times [2022-10-16 03:50:25,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:25,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115103077] [2022-10-16 03:50:25,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:25,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:25,417 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 03:50:25,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:25,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115103077] [2022-10-16 03:50:25,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115103077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:25,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:25,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:25,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447586290] [2022-10-16 03:50:25,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:25,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:25,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:25,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:25,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:25,421 INFO L87 Difference]: Start difference. First operand 563 states and 731 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:26,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:26,508 INFO L93 Difference]: Finished difference Result 1096 states and 1472 transitions. [2022-10-16 03:50:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:26,509 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:26,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:26,510 INFO L225 Difference]: With dead ends: 1096 [2022-10-16 03:50:26,511 INFO L226 Difference]: Without dead ends: 1096 [2022-10-16 03:50:26,511 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 03:50:26,512 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 2276 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:26,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2276 Valid, 1994 Invalid, 1526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:50:26,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2022-10-16 03:50:26,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 563. [2022-10-16 03:50:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 547 states have (on average 1.3327239488117002) internal successors, (729), 562 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:26,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 729 transitions. [2022-10-16 03:50:26,525 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 729 transitions. Word has length 81 [2022-10-16 03:50:26,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:26,525 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 729 transitions. [2022-10-16 03:50:26,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 729 transitions. [2022-10-16 03:50:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:26,527 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:26,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:26,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:50:26,527 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:26,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:26,528 INFO L85 PathProgramCache]: Analyzing trace with hash 856773900, now seen corresponding path program 1 times [2022-10-16 03:50:26,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:26,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058414541] [2022-10-16 03:50:26,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:26,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:27,008 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 03:50:27,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:27,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058414541] [2022-10-16 03:50:27,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058414541] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:27,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:27,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:50:27,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322533227] [2022-10-16 03:50:27,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:27,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:50:27,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:27,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:50:27,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:50:27,011 INFO L87 Difference]: Start difference. First operand 563 states and 729 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:29,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:29,171 INFO L93 Difference]: Finished difference Result 1969 states and 2734 transitions. [2022-10-16 03:50:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:50:29,172 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:29,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:29,176 INFO L225 Difference]: With dead ends: 1969 [2022-10-16 03:50:29,176 INFO L226 Difference]: Without dead ends: 1969 [2022-10-16 03:50:29,177 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 03:50:29,178 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 4772 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4772 SdHoareTripleChecker+Valid, 2503 SdHoareTripleChecker+Invalid, 2313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:29,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4772 Valid, 2503 Invalid, 2313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:50:29,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-10-16 03:50:29,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 571. [2022-10-16 03:50:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 555 states have (on average 1.327927927927928) internal successors, (737), 570 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 737 transitions. [2022-10-16 03:50:29,195 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 737 transitions. Word has length 81 [2022-10-16 03:50:29,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:29,196 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 737 transitions. [2022-10-16 03:50:29,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 737 transitions. [2022-10-16 03:50:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:29,198 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:29,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:29,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:50:29,198 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:29,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:29,199 INFO L85 PathProgramCache]: Analyzing trace with hash -544552721, now seen corresponding path program 1 times [2022-10-16 03:50:29,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:29,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326210151] [2022-10-16 03:50:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:29,497 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 03:50:29,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:29,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326210151] [2022-10-16 03:50:29,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326210151] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:29,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:29,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:29,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407520862] [2022-10-16 03:50:29,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:29,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:29,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:29,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:29,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:29,500 INFO L87 Difference]: Start difference. First operand 571 states and 737 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:30,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:30,601 INFO L93 Difference]: Finished difference Result 1104 states and 1478 transitions. [2022-10-16 03:50:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:30,604 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:30,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:30,607 INFO L225 Difference]: With dead ends: 1104 [2022-10-16 03:50:30,607 INFO L226 Difference]: Without dead ends: 1104 [2022-10-16 03:50:30,609 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 03:50:30,610 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 2270 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:30,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2270 Valid, 1997 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:50:30,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-16 03:50:30,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 571. [2022-10-16 03:50:30,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 555 states have (on average 1.3243243243243243) internal successors, (735), 570 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 735 transitions. [2022-10-16 03:50:30,625 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 735 transitions. Word has length 81 [2022-10-16 03:50:30,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:30,625 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 735 transitions. [2022-10-16 03:50:30,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 735 transitions. [2022-10-16 03:50:30,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:50:30,627 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:30,627 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] [2022-10-16 03:50:30,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:50:30,627 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:30,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:30,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1810559777, now seen corresponding path program 1 times [2022-10-16 03:50:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:30,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16128321] [2022-10-16 03:50:30,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:30,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:31,127 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 03:50:31,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:31,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16128321] [2022-10-16 03:50:31,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16128321] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:31,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:31,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:50:31,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033641803] [2022-10-16 03:50:31,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:31,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:50:31,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:31,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:50:31,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:50:31,131 INFO L87 Difference]: Start difference. First operand 571 states and 735 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:33,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:33,350 INFO L93 Difference]: Finished difference Result 1773 states and 2440 transitions. [2022-10-16 03:50:33,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:50:33,351 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:50:33,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:33,355 INFO L225 Difference]: With dead ends: 1773 [2022-10-16 03:50:33,355 INFO L226 Difference]: Without dead ends: 1773 [2022-10-16 03:50:33,355 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 03:50:33,356 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 4649 mSDsluCounter, 1871 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4649 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 554 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:33,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4649 Valid, 2306 Invalid, 2344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [554 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:50:33,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2022-10-16 03:50:33,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 579. [2022-10-16 03:50:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 563 states have (on average 1.3197158081705151) internal successors, (743), 578 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:33,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 743 transitions. [2022-10-16 03:50:33,368 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 743 transitions. Word has length 81 [2022-10-16 03:50:33,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:33,368 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 743 transitions. [2022-10-16 03:50:33,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 743 transitions. [2022-10-16 03:50:33,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 03:50:33,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:33,370 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] [2022-10-16 03:50:33,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:50:33,370 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:33,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:33,371 INFO L85 PathProgramCache]: Analyzing trace with hash -423596437, now seen corresponding path program 1 times [2022-10-16 03:50:33,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:33,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332233272] [2022-10-16 03:50:33,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:33,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:33,620 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 03:50:33,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:33,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332233272] [2022-10-16 03:50:33,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332233272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:33,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:33,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:33,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947095800] [2022-10-16 03:50:33,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:33,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:33,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:33,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:33,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:33,623 INFO L87 Difference]: Start difference. First operand 579 states and 743 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:34,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:34,573 INFO L93 Difference]: Finished difference Result 1104 states and 1475 transitions. [2022-10-16 03:50:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:34,574 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 03:50:34,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:34,576 INFO L225 Difference]: With dead ends: 1104 [2022-10-16 03:50:34,577 INFO L226 Difference]: Without dead ends: 1104 [2022-10-16 03:50:34,577 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 03:50:34,577 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 1875 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:34,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 1729 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:50:34,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-16 03:50:34,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 575. [2022-10-16 03:50:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 559 states have (on average 1.3202146690518783) internal successors, (738), 574 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 738 transitions. [2022-10-16 03:50:34,588 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 738 transitions. Word has length 82 [2022-10-16 03:50:34,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:34,589 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 738 transitions. [2022-10-16 03:50:34,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 738 transitions. [2022-10-16 03:50:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 03:50:34,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:34,591 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] [2022-10-16 03:50:34,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:50:34,591 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:34,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:34,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1358540439, now seen corresponding path program 1 times [2022-10-16 03:50:34,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:34,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33904366] [2022-10-16 03:50:34,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:34,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:34,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:34,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33904366] [2022-10-16 03:50:34,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33904366] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:34,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:34,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:34,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131926089] [2022-10-16 03:50:34,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:34,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:34,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:34,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:34,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:34,839 INFO L87 Difference]: Start difference. First operand 575 states and 738 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:35,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:35,787 INFO L93 Difference]: Finished difference Result 1104 states and 1474 transitions. [2022-10-16 03:50:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:35,788 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 03:50:35,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:35,790 INFO L225 Difference]: With dead ends: 1104 [2022-10-16 03:50:35,791 INFO L226 Difference]: Without dead ends: 1104 [2022-10-16 03:50:35,791 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 03:50:35,791 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 1879 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:35,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1879 Valid, 1733 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:50:35,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-16 03:50:35,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 571. [2022-10-16 03:50:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 555 states have (on average 1.3207207207207208) internal successors, (733), 570 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:35,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 733 transitions. [2022-10-16 03:50:35,802 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 733 transitions. Word has length 82 [2022-10-16 03:50:35,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:35,803 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 733 transitions. [2022-10-16 03:50:35,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 733 transitions. [2022-10-16 03:50:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 03:50:35,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:35,805 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] [2022-10-16 03:50:35,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 03:50:35,805 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:35,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:35,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1796987520, now seen corresponding path program 1 times [2022-10-16 03:50:35,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:35,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493493064] [2022-10-16 03:50:35,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:35,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:36,033 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 03:50:36,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:36,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493493064] [2022-10-16 03:50:36,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493493064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:36,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:36,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:36,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291432458] [2022-10-16 03:50:36,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:36,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:36,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:36,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:36,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:36,036 INFO L87 Difference]: Start difference. First operand 571 states and 733 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:37,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:37,045 INFO L93 Difference]: Finished difference Result 1152 states and 1548 transitions. [2022-10-16 03:50:37,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:37,046 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 03:50:37,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:37,048 INFO L225 Difference]: With dead ends: 1152 [2022-10-16 03:50:37,048 INFO L226 Difference]: Without dead ends: 1152 [2022-10-16 03:50:37,049 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 03:50:37,049 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 1677 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1677 SdHoareTripleChecker+Valid, 2114 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:37,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1677 Valid, 2114 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:50:37,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2022-10-16 03:50:37,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 563. [2022-10-16 03:50:37,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 547 states have (on average 1.3217550274223036) internal successors, (723), 562 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:37,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 723 transitions. [2022-10-16 03:50:37,059 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 723 transitions. Word has length 82 [2022-10-16 03:50:37,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:37,059 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 723 transitions. [2022-10-16 03:50:37,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:37,059 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 723 transitions. [2022-10-16 03:50:37,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 03:50:37,061 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:37,061 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] [2022-10-16 03:50:37,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:50:37,061 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:37,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:37,062 INFO L85 PathProgramCache]: Analyzing trace with hash -558946144, now seen corresponding path program 1 times [2022-10-16 03:50:37,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:37,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638584377] [2022-10-16 03:50:37,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:37,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:37,287 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 03:50:37,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:37,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638584377] [2022-10-16 03:50:37,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638584377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:37,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:37,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:37,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066394739] [2022-10-16 03:50:37,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:37,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:37,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:37,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:37,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:37,290 INFO L87 Difference]: Start difference. First operand 563 states and 723 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:38,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:38,354 INFO L93 Difference]: Finished difference Result 1096 states and 1462 transitions. [2022-10-16 03:50:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:38,355 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 03:50:38,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:38,356 INFO L225 Difference]: With dead ends: 1096 [2022-10-16 03:50:38,356 INFO L226 Difference]: Without dead ends: 1096 [2022-10-16 03:50:38,357 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 03:50:38,358 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 1687 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 1444 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1687 SdHoareTripleChecker+Valid, 1905 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:38,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1687 Valid, 1905 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1444 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:50:38,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2022-10-16 03:50:38,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 555. [2022-10-16 03:50:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3228200371057515) internal successors, (713), 554 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:38,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 713 transitions. [2022-10-16 03:50:38,370 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 713 transitions. Word has length 82 [2022-10-16 03:50:38,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:38,370 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 713 transitions. [2022-10-16 03:50:38,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 713 transitions. [2022-10-16 03:50:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 03:50:38,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:38,372 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] [2022-10-16 03:50:38,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 03:50:38,372 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:38,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:38,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1458444177, now seen corresponding path program 1 times [2022-10-16 03:50:38,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:38,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567765409] [2022-10-16 03:50:38,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:38,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:38,625 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 03:50:38,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:38,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567765409] [2022-10-16 03:50:38,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567765409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:38,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:38,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:50:38,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886125866] [2022-10-16 03:50:38,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:38,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:50:38,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:38,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:50:38,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:50:38,628 INFO L87 Difference]: Start difference. First operand 555 states and 713 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:39,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:39,616 INFO L93 Difference]: Finished difference Result 1112 states and 1490 transitions. [2022-10-16 03:50:39,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:50:39,616 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 03:50:39,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:39,623 INFO L225 Difference]: With dead ends: 1112 [2022-10-16 03:50:39,623 INFO L226 Difference]: Without dead ends: 1112 [2022-10-16 03:50:39,623 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 03:50:39,624 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 1131 mSDsluCounter, 1616 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:39,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 2160 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:50:39,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-10-16 03:50:39,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 547. [2022-10-16 03:50:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.3239171374764596) internal successors, (703), 546 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 703 transitions. [2022-10-16 03:50:39,637 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 703 transitions. Word has length 82 [2022-10-16 03:50:39,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:39,638 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 703 transitions. [2022-10-16 03:50:39,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:39,638 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 703 transitions. [2022-10-16 03:50:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 03:50:39,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:39,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:39,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 03:50:39,640 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:39,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:39,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1687929497, now seen corresponding path program 1 times [2022-10-16 03:50:39,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:39,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491126907] [2022-10-16 03:50:39,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:39,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:40,428 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 03:50:40,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:40,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491126907] [2022-10-16 03:50:40,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491126907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:40,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:40,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:50:40,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888217242] [2022-10-16 03:50:40,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:40,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:50:40,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:40,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:50:40,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:50:40,431 INFO L87 Difference]: Start difference. First operand 547 states and 703 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:42,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:42,327 INFO L93 Difference]: Finished difference Result 1248 states and 1597 transitions. [2022-10-16 03:50:42,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:50:42,328 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 03:50:42,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:42,330 INFO L225 Difference]: With dead ends: 1248 [2022-10-16 03:50:42,330 INFO L226 Difference]: Without dead ends: 1248 [2022-10-16 03:50:42,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:50:42,331 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 2609 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2609 SdHoareTripleChecker+Valid, 3517 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:42,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2609 Valid, 3517 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:50:42,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2022-10-16 03:50:42,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 543. [2022-10-16 03:50:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 528 states have (on average 1.321969696969697) internal successors, (698), 542 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 698 transitions. [2022-10-16 03:50:42,342 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 698 transitions. Word has length 83 [2022-10-16 03:50:42,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:42,343 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 698 transitions. [2022-10-16 03:50:42,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 698 transitions. [2022-10-16 03:50:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 03:50:42,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:42,344 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] [2022-10-16 03:50:42,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 03:50:42,345 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:42,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:42,345 INFO L85 PathProgramCache]: Analyzing trace with hash -92587651, now seen corresponding path program 1 times [2022-10-16 03:50:42,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:42,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783122083] [2022-10-16 03:50:42,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:42,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:43,220 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 03:50:43,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:43,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783122083] [2022-10-16 03:50:43,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783122083] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:43,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:43,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-10-16 03:50:43,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027395379] [2022-10-16 03:50:43,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:43,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 03:50:43,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:43,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 03:50:43,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:50:43,223 INFO L87 Difference]: Start difference. First operand 543 states and 698 transitions. Second operand has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:44,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:44,677 INFO L93 Difference]: Finished difference Result 775 states and 1036 transitions. [2022-10-16 03:50:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 03:50:44,677 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 03:50:44,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:44,679 INFO L225 Difference]: With dead ends: 775 [2022-10-16 03:50:44,679 INFO L226 Difference]: Without dead ends: 775 [2022-10-16 03:50:44,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:50:44,682 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 1578 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 3879 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:44,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 3879 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:50:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-10-16 03:50:44,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 494. [2022-10-16 03:50:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 480 states have (on average 1.3208333333333333) internal successors, (634), 493 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 634 transitions. [2022-10-16 03:50:44,695 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 634 transitions. Word has length 83 [2022-10-16 03:50:44,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:44,696 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 634 transitions. [2022-10-16 03:50:44,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:44,696 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 634 transitions. [2022-10-16 03:50:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 03:50:44,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:44,697 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] [2022-10-16 03:50:44,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 03:50:44,698 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:44,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:44,699 INFO L85 PathProgramCache]: Analyzing trace with hash -119228615, now seen corresponding path program 1 times [2022-10-16 03:50:44,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:44,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388410523] [2022-10-16 03:50:44,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:44,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:45,326 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 03:50:45,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:45,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388410523] [2022-10-16 03:50:45,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388410523] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:45,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:45,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:50:45,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303737052] [2022-10-16 03:50:45,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:45,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:50:45,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:45,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:50:45,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:50:45,331 INFO L87 Difference]: Start difference. First operand 494 states and 634 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:46,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:46,464 INFO L93 Difference]: Finished difference Result 1290 states and 1776 transitions. [2022-10-16 03:50:46,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:50:46,465 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 03:50:46,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:46,467 INFO L225 Difference]: With dead ends: 1290 [2022-10-16 03:50:46,467 INFO L226 Difference]: Without dead ends: 1290 [2022-10-16 03:50:46,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:50:46,468 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 2122 mSDsluCounter, 3666 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2122 SdHoareTripleChecker+Valid, 4489 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:46,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2122 Valid, 4489 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:50:46,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2022-10-16 03:50:46,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 440. [2022-10-16 03:50:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 429 states have (on average 1.3123543123543124) internal successors, (563), 439 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 563 transitions. [2022-10-16 03:50:46,480 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 563 transitions. Word has length 83 [2022-10-16 03:50:46,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:46,480 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 563 transitions. [2022-10-16 03:50:46,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 563 transitions. [2022-10-16 03:50:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 03:50:46,482 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:46,482 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] [2022-10-16 03:50:46,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 03:50:46,482 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:46,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:46,483 INFO L85 PathProgramCache]: Analyzing trace with hash 2051820758, now seen corresponding path program 1 times [2022-10-16 03:50:46,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:46,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341755736] [2022-10-16 03:50:46,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:46,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:48,660 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 03:50:48,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:48,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341755736] [2022-10-16 03:50:48,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341755736] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:48,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:48,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-10-16 03:50:48,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027743255] [2022-10-16 03:50:48,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:48,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-16 03:50:48,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:48,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-16 03:50:48,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2022-10-16 03:50:48,663 INFO L87 Difference]: Start difference. First operand 440 states and 563 transitions. Second operand has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:54,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:54,249 INFO L93 Difference]: Finished difference Result 970 states and 1263 transitions. [2022-10-16 03:50:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 03:50:54,249 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 03:50:54,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:54,252 INFO L225 Difference]: With dead ends: 970 [2022-10-16 03:50:54,252 INFO L226 Difference]: Without dead ends: 970 [2022-10-16 03:50:54,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=444, Invalid=2418, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 03:50:54,256 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 2141 mSDsluCounter, 8039 mSDsCounter, 0 mSdLazyCounter, 4432 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 8570 SdHoareTripleChecker+Invalid, 4505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 4432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:54,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 8570 Invalid, 4505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 4432 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-10-16 03:50:54,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2022-10-16 03:50:54,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 455. [2022-10-16 03:50:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 444 states have (on average 1.3153153153153154) internal successors, (584), 454 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:54,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 584 transitions. [2022-10-16 03:50:54,266 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 584 transitions. Word has length 83 [2022-10-16 03:50:54,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:54,266 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 584 transitions. [2022-10-16 03:50:54,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.8620689655172415) internal successors, (83), 29 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:54,267 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 584 transitions. [2022-10-16 03:50:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 03:50:54,268 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:54,268 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] [2022-10-16 03:50:54,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 03:50:54,268 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:54,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:54,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1787055611, now seen corresponding path program 1 times [2022-10-16 03:50:54,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:54,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602363350] [2022-10-16 03:50:54,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:54,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:54,887 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 03:50:54,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:54,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602363350] [2022-10-16 03:50:54,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602363350] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:54,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:54,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:50:54,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761007966] [2022-10-16 03:50:54,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:54,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:50:54,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:54,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:50:54,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:50:54,889 INFO L87 Difference]: Start difference. First operand 455 states and 584 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:55,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:55,703 INFO L93 Difference]: Finished difference Result 1074 states and 1504 transitions. [2022-10-16 03:50:55,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 03:50:55,704 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 03:50:55,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:55,707 INFO L225 Difference]: With dead ends: 1074 [2022-10-16 03:50:55,707 INFO L226 Difference]: Without dead ends: 1074 [2022-10-16 03:50:55,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:50:55,708 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 2388 mSDsluCounter, 3188 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 3679 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:55,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 3679 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:50:55,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2022-10-16 03:50:55,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 359. [2022-10-16 03:50:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 352 states have (on average 1.3153409090909092) internal successors, (463), 358 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 463 transitions. [2022-10-16 03:50:55,717 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 463 transitions. Word has length 83 [2022-10-16 03:50:55,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:55,717 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 463 transitions. [2022-10-16 03:50:55,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:55,718 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 463 transitions. [2022-10-16 03:50:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 03:50:55,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:55,719 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] [2022-10-16 03:50:55,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 03:50:55,719 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:55,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:55,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1276582986, now seen corresponding path program 1 times [2022-10-16 03:50:55,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:55,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19590327] [2022-10-16 03:50:55,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:55,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:56,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:56,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19590327] [2022-10-16 03:50:56,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19590327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:56,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:56,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:50:56,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595608483] [2022-10-16 03:50:56,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:56,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:50:56,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:56,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:50:56,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:50:56,297 INFO L87 Difference]: Start difference. First operand 359 states and 463 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:57,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:57,337 INFO L93 Difference]: Finished difference Result 1112 states and 1539 transitions. [2022-10-16 03:50:57,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:50:57,337 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 03:50:57,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:57,343 INFO L225 Difference]: With dead ends: 1112 [2022-10-16 03:50:57,343 INFO L226 Difference]: Without dead ends: 1112 [2022-10-16 03:50:57,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:50:57,345 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 1403 mSDsluCounter, 3435 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1403 SdHoareTripleChecker+Valid, 4115 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:57,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1403 Valid, 4115 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:50:57,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-10-16 03:50:57,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 322. [2022-10-16 03:50:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 317 states have (on average 1.2996845425867507) internal successors, (412), 321 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 412 transitions. [2022-10-16 03:50:57,356 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 412 transitions. Word has length 84 [2022-10-16 03:50:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:57,356 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 412 transitions. [2022-10-16 03:50:57,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 412 transitions. [2022-10-16 03:50:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 03:50:57,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:57,357 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] [2022-10-16 03:50:57,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 03:50:57,359 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:57,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:57,360 INFO L85 PathProgramCache]: Analyzing trace with hash -610164347, now seen corresponding path program 1 times [2022-10-16 03:50:57,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:57,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156167015] [2022-10-16 03:50:57,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:57,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:58,033 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 03:50:58,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:58,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156167015] [2022-10-16 03:50:58,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156167015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:58,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:58,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:50:58,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980877149] [2022-10-16 03:50:58,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:58,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:50:58,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:58,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:50:58,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:50:58,037 INFO L87 Difference]: Start difference. First operand 322 states and 412 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:59,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:59,190 INFO L93 Difference]: Finished difference Result 864 states and 1162 transitions. [2022-10-16 03:50:59,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:50:59,191 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 03:50:59,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:59,192 INFO L225 Difference]: With dead ends: 864 [2022-10-16 03:50:59,192 INFO L226 Difference]: Without dead ends: 864 [2022-10-16 03:50:59,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:50:59,196 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 1525 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 2466 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:59,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 2466 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:50:59,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2022-10-16 03:50:59,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 311. [2022-10-16 03:50:59,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 307 states have (on average 1.296416938110749) internal successors, (398), 310 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:59,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 398 transitions. [2022-10-16 03:50:59,207 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 398 transitions. Word has length 84 [2022-10-16 03:50:59,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:59,207 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 398 transitions. [2022-10-16 03:50:59,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:50:59,208 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 398 transitions. [2022-10-16 03:50:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 03:50:59,208 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:59,209 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] [2022-10-16 03:50:59,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 03:50:59,209 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:50:59,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:59,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1057356833, now seen corresponding path program 1 times [2022-10-16 03:50:59,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:59,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342410200] [2022-10-16 03:50:59,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:59,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:59,987 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 03:50:59,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:59,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342410200] [2022-10-16 03:50:59,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342410200] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:59,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:59,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-10-16 03:50:59,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019310826] [2022-10-16 03:50:59,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:59,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 03:50:59,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:59,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 03:50:59,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:50:59,990 INFO L87 Difference]: Start difference. First operand 311 states and 398 transitions. Second operand has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:00,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:00,713 INFO L93 Difference]: Finished difference Result 491 states and 646 transitions. [2022-10-16 03:51:00,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 03:51:00,715 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 03:51:00,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:00,715 INFO L225 Difference]: With dead ends: 491 [2022-10-16 03:51:00,715 INFO L226 Difference]: Without dead ends: 491 [2022-10-16 03:51:00,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2022-10-16 03:51:00,716 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 655 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:00,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 2583 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:51:00,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2022-10-16 03:51:00,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 287. [2022-10-16 03:51:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 284 states have (on average 1.2922535211267605) internal successors, (367), 286 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 367 transitions. [2022-10-16 03:51:00,725 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 367 transitions. Word has length 84 [2022-10-16 03:51:00,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:00,725 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 367 transitions. [2022-10-16 03:51:00,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 367 transitions. [2022-10-16 03:51:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 03:51:00,726 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:00,726 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] [2022-10-16 03:51:00,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 03:51:00,727 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:00,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:00,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1707932206, now seen corresponding path program 1 times [2022-10-16 03:51:00,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:00,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583734467] [2022-10-16 03:51:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:00,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:01,257 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 03:51:01,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:01,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583734467] [2022-10-16 03:51:01,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583734467] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:01,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:01,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:51:01,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897923421] [2022-10-16 03:51:01,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:01,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:51:01,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:01,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:51:01,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:51:01,259 INFO L87 Difference]: Start difference. First operand 287 states and 367 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:02,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:02,811 INFO L93 Difference]: Finished difference Result 1597 states and 2253 transitions. [2022-10-16 03:51:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:51:02,812 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 03:51:02,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:02,814 INFO L225 Difference]: With dead ends: 1597 [2022-10-16 03:51:02,814 INFO L226 Difference]: Without dead ends: 1597 [2022-10-16 03:51:02,814 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 03:51:02,815 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 2919 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2919 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:02,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2919 Valid, 1354 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:51:02,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2022-10-16 03:51:02,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 295. [2022-10-16 03:51:02,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 292 states have (on average 1.2842465753424657) internal successors, (375), 294 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 375 transitions. [2022-10-16 03:51:02,825 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 375 transitions. Word has length 84 [2022-10-16 03:51:02,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:02,826 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 375 transitions. [2022-10-16 03:51:02,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 375 transitions. [2022-10-16 03:51:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 03:51:02,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:02,827 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] [2022-10-16 03:51:02,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 03:51:02,827 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:02,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:02,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1658257545, now seen corresponding path program 1 times [2022-10-16 03:51:02,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:02,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773579328] [2022-10-16 03:51:02,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:02,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:03,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:03,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773579328] [2022-10-16 03:51:03,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773579328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:03,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:03,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:51:03,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490475286] [2022-10-16 03:51:03,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:03,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:51:03,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:03,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:51:03,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:51:03,044 INFO L87 Difference]: Start difference. First operand 295 states and 375 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:03,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:03,451 INFO L93 Difference]: Finished difference Result 473 states and 619 transitions. [2022-10-16 03:51:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 03:51:03,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 03:51:03,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:03,452 INFO L225 Difference]: With dead ends: 473 [2022-10-16 03:51:03,452 INFO L226 Difference]: Without dead ends: 473 [2022-10-16 03:51:03,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:51:03,453 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1114 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:03,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 572 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:51:03,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-10-16 03:51:03,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 295. [2022-10-16 03:51:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 292 states have (on average 1.2808219178082192) internal successors, (374), 294 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 374 transitions. [2022-10-16 03:51:03,459 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 374 transitions. Word has length 85 [2022-10-16 03:51:03,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:03,459 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 374 transitions. [2022-10-16 03:51:03,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:03,460 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 374 transitions. [2022-10-16 03:51:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 03:51:03,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:03,460 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] [2022-10-16 03:51:03,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 03:51:03,461 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:03,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:03,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1176082131, now seen corresponding path program 1 times [2022-10-16 03:51:03,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:03,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589973110] [2022-10-16 03:51:03,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:03,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:03,650 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 03:51:03,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:03,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589973110] [2022-10-16 03:51:03,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589973110] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:03,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:03,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:51:03,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262716014] [2022-10-16 03:51:03,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:03,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:51:03,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:03,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:51:03,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:51:03,653 INFO L87 Difference]: Start difference. First operand 295 states and 374 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:04,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:04,119 INFO L93 Difference]: Finished difference Result 483 states and 630 transitions. [2022-10-16 03:51:04,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:51:04,119 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 03:51:04,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:04,120 INFO L225 Difference]: With dead ends: 483 [2022-10-16 03:51:04,120 INFO L226 Difference]: Without dead ends: 483 [2022-10-16 03:51:04,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-10-16 03:51:04,123 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 827 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:04,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 757 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:51:04,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-10-16 03:51:04,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 287. [2022-10-16 03:51:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 284 states have (on average 1.2816901408450705) internal successors, (364), 286 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:04,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 364 transitions. [2022-10-16 03:51:04,131 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 364 transitions. Word has length 85 [2022-10-16 03:51:04,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:04,132 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 364 transitions. [2022-10-16 03:51:04,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:04,132 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 364 transitions. [2022-10-16 03:51:04,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 03:51:04,133 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:04,133 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] [2022-10-16 03:51:04,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 03:51:04,134 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:04,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:04,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1161243347, now seen corresponding path program 1 times [2022-10-16 03:51:04,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:04,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835185348] [2022-10-16 03:51:04,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:04,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:05,903 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 03:51:05,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:05,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835185348] [2022-10-16 03:51:05,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835185348] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:05,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:05,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-10-16 03:51:05,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193932321] [2022-10-16 03:51:05,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:05,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 03:51:05,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:05,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 03:51:05,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2022-10-16 03:51:05,905 INFO L87 Difference]: Start difference. First operand 287 states and 364 transitions. Second operand has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:09,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:09,706 INFO L93 Difference]: Finished difference Result 1027 states and 1418 transitions. [2022-10-16 03:51:09,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-16 03:51:09,707 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-16 03:51:09,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:09,708 INFO L225 Difference]: With dead ends: 1027 [2022-10-16 03:51:09,708 INFO L226 Difference]: Without dead ends: 1027 [2022-10-16 03:51:09,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=436, Invalid=2216, Unknown=0, NotChecked=0, Total=2652 [2022-10-16 03:51:09,710 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 1367 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 2446 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 4996 SdHoareTripleChecker+Invalid, 2510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:09,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 4996 Invalid, 2510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 2446 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 03:51:09,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2022-10-16 03:51:09,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 303. [2022-10-16 03:51:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 300 states have (on average 1.28) internal successors, (384), 302 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:09,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 384 transitions. [2022-10-16 03:51:09,715 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 384 transitions. Word has length 86 [2022-10-16 03:51:09,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:09,716 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 384 transitions. [2022-10-16 03:51:09,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 28 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:09,716 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 384 transitions. [2022-10-16 03:51:09,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:51:09,717 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:09,717 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] [2022-10-16 03:51:09,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 03:51:09,717 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:09,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:09,718 INFO L85 PathProgramCache]: Analyzing trace with hash 91928287, now seen corresponding path program 1 times [2022-10-16 03:51:09,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:09,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365104615] [2022-10-16 03:51:09,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:09,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:10,248 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 03:51:10,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:10,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365104615] [2022-10-16 03:51:10,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365104615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:10,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:10,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:51:10,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112063160] [2022-10-16 03:51:10,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:10,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:51:10,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:10,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:51:10,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:51:10,251 INFO L87 Difference]: Start difference. First operand 303 states and 384 transitions. Second operand has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:11,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:11,093 INFO L93 Difference]: Finished difference Result 749 states and 1019 transitions. [2022-10-16 03:51:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:51:11,093 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 03:51:11,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:11,094 INFO L225 Difference]: With dead ends: 749 [2022-10-16 03:51:11,094 INFO L226 Difference]: Without dead ends: 749 [2022-10-16 03:51:11,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:51:11,095 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 1163 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 2490 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:11,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 2490 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:51:11,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2022-10-16 03:51:11,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 281. [2022-10-16 03:51:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 279 states have (on average 1.2795698924731183) internal successors, (357), 280 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 357 transitions. [2022-10-16 03:51:11,103 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 357 transitions. Word has length 87 [2022-10-16 03:51:11,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:11,103 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 357 transitions. [2022-10-16 03:51:11,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 357 transitions. [2022-10-16 03:51:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:51:11,104 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:11,104 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] [2022-10-16 03:51:11,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 03:51:11,105 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:11,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:11,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1263441831, now seen corresponding path program 1 times [2022-10-16 03:51:11,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:11,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189736646] [2022-10-16 03:51:11,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:11,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:13,361 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 03:51:13,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:13,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189736646] [2022-10-16 03:51:13,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189736646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:13,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:13,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-10-16 03:51:13,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877694560] [2022-10-16 03:51:13,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:13,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 03:51:13,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:13,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 03:51:13,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2022-10-16 03:51:13,363 INFO L87 Difference]: Start difference. First operand 281 states and 357 transitions. Second operand has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:18,437 INFO L93 Difference]: Finished difference Result 337 states and 412 transitions. [2022-10-16 03:51:18,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-16 03:51:18,438 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 03:51:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:18,439 INFO L225 Difference]: With dead ends: 337 [2022-10-16 03:51:18,439 INFO L226 Difference]: Without dead ends: 337 [2022-10-16 03:51:18,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=530, Invalid=2122, Unknown=0, NotChecked=0, Total=2652 [2022-10-16 03:51:18,440 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 816 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 2694 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:18,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 2694 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:51:18,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-10-16 03:51:18,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 291. [2022-10-16 03:51:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 289 states have (on average 1.273356401384083) internal successors, (368), 290 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 368 transitions. [2022-10-16 03:51:18,445 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 368 transitions. Word has length 87 [2022-10-16 03:51:18,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:18,445 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 368 transitions. [2022-10-16 03:51:18,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.107142857142857) internal successors, (87), 28 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 368 transitions. [2022-10-16 03:51:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 03:51:18,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:18,446 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] [2022-10-16 03:51:18,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 03:51:18,447 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:18,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:18,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1503610841, now seen corresponding path program 1 times [2022-10-16 03:51:18,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:18,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283309691] [2022-10-16 03:51:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:18,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:18,809 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 03:51:18,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:18,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283309691] [2022-10-16 03:51:18,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283309691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:18,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:18,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 03:51:18,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298224257] [2022-10-16 03:51:18,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:18,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:51:18,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:18,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:51:18,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:51:18,813 INFO L87 Difference]: Start difference. First operand 291 states and 368 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:19,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:19,244 INFO L93 Difference]: Finished difference Result 649 states and 908 transitions. [2022-10-16 03:51:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:51:19,245 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 03:51:19,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:19,246 INFO L225 Difference]: With dead ends: 649 [2022-10-16 03:51:19,246 INFO L226 Difference]: Without dead ends: 649 [2022-10-16 03:51:19,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-10-16 03:51:19,246 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 928 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:19,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1168 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:51:19,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2022-10-16 03:51:19,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 251. [2022-10-16 03:51:19,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.296) internal successors, (324), 250 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:19,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 324 transitions. [2022-10-16 03:51:19,252 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 324 transitions. Word has length 88 [2022-10-16 03:51:19,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:19,252 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 324 transitions. [2022-10-16 03:51:19,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 324 transitions. [2022-10-16 03:51:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 03:51:19,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:19,254 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 03:51:19,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 03:51:19,254 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:19,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:19,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2132814901, now seen corresponding path program 1 times [2022-10-16 03:51:19,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:19,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792233761] [2022-10-16 03:51:19,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:19,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:19,403 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 03:51:19,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:19,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792233761] [2022-10-16 03:51:19,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792233761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:19,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:19,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:51:19,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320575893] [2022-10-16 03:51:19,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:19,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:51:19,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:19,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:51:19,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:51:19,405 INFO L87 Difference]: Start difference. First operand 251 states and 324 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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 03:51:19,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:19,581 INFO L93 Difference]: Finished difference Result 1403 states and 2014 transitions. [2022-10-16 03:51:19,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:51:19,581 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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 03:51:19,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:19,583 INFO L225 Difference]: With dead ends: 1403 [2022-10-16 03:51:19,583 INFO L226 Difference]: Without dead ends: 1403 [2022-10-16 03:51:19,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:51:19,584 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1279 mSDsluCounter, 1976 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 2180 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:19,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 2180 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:51:19,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2022-10-16 03:51:19,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 377. [2022-10-16 03:51:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 376 states have (on average 1.3537234042553192) internal successors, (509), 376 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 509 transitions. [2022-10-16 03:51:19,593 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 509 transitions. Word has length 114 [2022-10-16 03:51:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:19,593 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 509 transitions. [2022-10-16 03:51:19,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 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 03:51:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 509 transitions. [2022-10-16 03:51:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:51:19,594 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:19,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:19,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 03:51:19,595 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:19,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:19,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1778175941, now seen corresponding path program 1 times [2022-10-16 03:51:19,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:19,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192500653] [2022-10-16 03:51:19,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:19,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:19,728 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 03:51:19,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:19,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192500653] [2022-10-16 03:51:19,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192500653] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:19,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:19,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:51:19,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366497827] [2022-10-16 03:51:19,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:19,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:51:19,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:19,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:51:19,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:51:19,732 INFO L87 Difference]: Start difference. First operand 377 states and 509 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:19,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:19,858 INFO L93 Difference]: Finished difference Result 1521 states and 2193 transitions. [2022-10-16 03:51:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:51:19,858 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 03:51:19,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:19,860 INFO L225 Difference]: With dead ends: 1521 [2022-10-16 03:51:19,860 INFO L226 Difference]: Without dead ends: 1521 [2022-10-16 03:51:19,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:51:19,861 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 1043 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:19,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 1238 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:51:19,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2022-10-16 03:51:19,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 629. [2022-10-16 03:51:19,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 628 states have (on average 1.4028662420382165) internal successors, (881), 628 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 881 transitions. [2022-10-16 03:51:19,873 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 881 transitions. Word has length 116 [2022-10-16 03:51:19,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:19,873 INFO L495 AbstractCegarLoop]: Abstraction has 629 states and 881 transitions. [2022-10-16 03:51:19,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:19,874 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 881 transitions. [2022-10-16 03:51:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:51:19,875 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:19,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:19,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 03:51:19,876 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:19,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:19,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1881237749, now seen corresponding path program 1 times [2022-10-16 03:51:19,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:19,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562962816] [2022-10-16 03:51:19,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:19,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:20,063 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 03:51:20,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:20,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562962816] [2022-10-16 03:51:20,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562962816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:20,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:20,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:51:20,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057250096] [2022-10-16 03:51:20,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:20,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:51:20,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:20,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:51:20,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:51:20,065 INFO L87 Difference]: Start difference. First operand 629 states and 881 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:20,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:20,184 INFO L93 Difference]: Finished difference Result 1773 states and 2565 transitions. [2022-10-16 03:51:20,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:51:20,184 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 03:51:20,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:20,186 INFO L225 Difference]: With dead ends: 1773 [2022-10-16 03:51:20,186 INFO L226 Difference]: Without dead ends: 1773 [2022-10-16 03:51:20,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:51:20,187 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 1043 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:20,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 1159 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:51:20,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2022-10-16 03:51:20,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1007. [2022-10-16 03:51:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 1006 states have (on average 1.4294234592445327) internal successors, (1438), 1006 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1438 transitions. [2022-10-16 03:51:20,203 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1438 transitions. Word has length 116 [2022-10-16 03:51:20,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:20,203 INFO L495 AbstractCegarLoop]: Abstraction has 1007 states and 1438 transitions. [2022-10-16 03:51:20,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1438 transitions. [2022-10-16 03:51:20,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:51:20,205 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:20,205 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:20,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 03:51:20,206 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:20,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:20,206 INFO L85 PathProgramCache]: Analyzing trace with hash -455453719, now seen corresponding path program 1 times [2022-10-16 03:51:20,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:20,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732924009] [2022-10-16 03:51:20,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:20,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:20,331 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 03:51:20,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:20,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732924009] [2022-10-16 03:51:20,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732924009] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:20,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:20,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:51:20,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240084128] [2022-10-16 03:51:20,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:20,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:51:20,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:20,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:51:20,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:51:20,334 INFO L87 Difference]: Start difference. First operand 1007 states and 1438 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:20,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:20,458 INFO L93 Difference]: Finished difference Result 2025 states and 2937 transitions. [2022-10-16 03:51:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:51:20,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 03:51:20,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:20,460 INFO L225 Difference]: With dead ends: 2025 [2022-10-16 03:51:20,461 INFO L226 Difference]: Without dead ends: 2025 [2022-10-16 03:51:20,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:51:20,461 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 1120 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:20,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 1178 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:51:20,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2022-10-16 03:51:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1259. [2022-10-16 03:51:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1258 states have (on average 1.43879173290938) internal successors, (1810), 1258 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:20,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1810 transitions. [2022-10-16 03:51:20,484 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1810 transitions. Word has length 116 [2022-10-16 03:51:20,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:20,484 INFO L495 AbstractCegarLoop]: Abstraction has 1259 states and 1810 transitions. [2022-10-16 03:51:20,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1810 transitions. [2022-10-16 03:51:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:51:20,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:20,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:20,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 03:51:20,487 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:20,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:20,487 INFO L85 PathProgramCache]: Analyzing trace with hash 2067568748, now seen corresponding path program 1 times [2022-10-16 03:51:20,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:20,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40531016] [2022-10-16 03:51:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:20,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:20,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:20,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:20,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40531016] [2022-10-16 03:51:20,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40531016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:20,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:20,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:51:20,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390767508] [2022-10-16 03:51:20,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:20,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:51:20,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:20,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:51:20,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:51:20,755 INFO L87 Difference]: Start difference. First operand 1259 states and 1810 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:20,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:20,904 INFO L93 Difference]: Finished difference Result 1261 states and 1801 transitions. [2022-10-16 03:51:20,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:51:20,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 03:51:20,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:20,905 INFO L225 Difference]: With dead ends: 1261 [2022-10-16 03:51:20,905 INFO L226 Difference]: Without dead ends: 1261 [2022-10-16 03:51:20,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:51:20,906 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 613 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:20,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 552 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:20,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2022-10-16 03:51:20,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1259. [2022-10-16 03:51:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1258 states have (on average 1.4308426073131955) internal successors, (1800), 1258 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1800 transitions. [2022-10-16 03:51:20,919 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1800 transitions. Word has length 116 [2022-10-16 03:51:20,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:20,919 INFO L495 AbstractCegarLoop]: Abstraction has 1259 states and 1800 transitions. [2022-10-16 03:51:20,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:20,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1800 transitions. [2022-10-16 03:51:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:51:20,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:20,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:20,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 03:51:20,930 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:20,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1298275755, now seen corresponding path program 1 times [2022-10-16 03:51:20,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:20,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907445310] [2022-10-16 03:51:20,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:20,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:20,986 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 03:51:20,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:20,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907445310] [2022-10-16 03:51:20,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907445310] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:20,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:20,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:20,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837538766] [2022-10-16 03:51:20,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:20,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:20,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:20,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:20,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:20,987 INFO L87 Difference]: Start difference. First operand 1259 states and 1800 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:21,009 INFO L93 Difference]: Finished difference Result 2279 states and 3236 transitions. [2022-10-16 03:51:21,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:21,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 03:51:21,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:21,012 INFO L225 Difference]: With dead ends: 2279 [2022-10-16 03:51:21,012 INFO L226 Difference]: Without dead ends: 2279 [2022-10-16 03:51:21,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:21,012 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 83 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:21,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 452 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:21,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2022-10-16 03:51:21,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2277. [2022-10-16 03:51:21,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 2276 states have (on average 1.421353251318102) internal successors, (3235), 2276 states have internal predecessors, (3235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 3235 transitions. [2022-10-16 03:51:21,031 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 3235 transitions. Word has length 116 [2022-10-16 03:51:21,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:21,032 INFO L495 AbstractCegarLoop]: Abstraction has 2277 states and 3235 transitions. [2022-10-16 03:51:21,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 3235 transitions. [2022-10-16 03:51:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:51:21,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:21,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:21,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 03:51:21,034 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:21,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:21,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1451686365, now seen corresponding path program 1 times [2022-10-16 03:51:21,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:21,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364956628] [2022-10-16 03:51:21,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:21,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:21,181 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 03:51:21,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:21,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364956628] [2022-10-16 03:51:21,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364956628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:21,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:21,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:51:21,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028750567] [2022-10-16 03:51:21,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:21,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:51:21,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:21,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:51:21,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:51:21,183 INFO L87 Difference]: Start difference. First operand 2277 states and 3235 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:21,307 INFO L93 Difference]: Finished difference Result 4199 states and 6004 transitions. [2022-10-16 03:51:21,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:51:21,307 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 03:51:21,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:21,311 INFO L225 Difference]: With dead ends: 4199 [2022-10-16 03:51:21,312 INFO L226 Difference]: Without dead ends: 4199 [2022-10-16 03:51:21,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:51:21,312 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 1035 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:21,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 1204 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:51:21,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4199 states. [2022-10-16 03:51:21,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4199 to 2755. [2022-10-16 03:51:21,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2754 states have (on average 1.4244734931009442) internal successors, (3923), 2754 states have internal predecessors, (3923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3923 transitions. [2022-10-16 03:51:21,341 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3923 transitions. Word has length 116 [2022-10-16 03:51:21,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:21,342 INFO L495 AbstractCegarLoop]: Abstraction has 2755 states and 3923 transitions. [2022-10-16 03:51:21,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3923 transitions. [2022-10-16 03:51:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:51:21,343 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:21,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:21,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 03:51:21,344 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:21,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:21,344 INFO L85 PathProgramCache]: Analyzing trace with hash -871511505, now seen corresponding path program 1 times [2022-10-16 03:51:21,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:21,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103954128] [2022-10-16 03:51:21,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:21,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:21,505 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 03:51:21,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:21,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103954128] [2022-10-16 03:51:21,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103954128] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:21,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:21,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:51:21,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028346514] [2022-10-16 03:51:21,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:21,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:51:21,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:21,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:51:21,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:51:21,507 INFO L87 Difference]: Start difference. First operand 2755 states and 3923 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:21,644 INFO L93 Difference]: Finished difference Result 4677 states and 6692 transitions. [2022-10-16 03:51:21,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:51:21,645 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 03:51:21,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:21,650 INFO L225 Difference]: With dead ends: 4677 [2022-10-16 03:51:21,650 INFO L226 Difference]: Without dead ends: 4677 [2022-10-16 03:51:21,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:51:21,651 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 972 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:21,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 1353 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:51:21,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4677 states. [2022-10-16 03:51:21,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4677 to 3233. [2022-10-16 03:51:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3233 states, 3232 states have (on average 1.4266707920792079) internal successors, (4611), 3232 states have internal predecessors, (4611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 3233 states and 4611 transitions. [2022-10-16 03:51:21,720 INFO L78 Accepts]: Start accepts. Automaton has 3233 states and 4611 transitions. Word has length 116 [2022-10-16 03:51:21,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:21,720 INFO L495 AbstractCegarLoop]: Abstraction has 3233 states and 4611 transitions. [2022-10-16 03:51:21,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 4611 transitions. [2022-10-16 03:51:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 03:51:21,722 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:21,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:21,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 03:51:21,722 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:21,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:21,723 INFO L85 PathProgramCache]: Analyzing trace with hash -389045736, now seen corresponding path program 1 times [2022-10-16 03:51:21,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:21,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908972924] [2022-10-16 03:51:21,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:21,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:21,814 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 03:51:21,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:21,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908972924] [2022-10-16 03:51:21,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908972924] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:21,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:21,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:21,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180677355] [2022-10-16 03:51:21,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:21,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:21,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:21,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:21,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:21,816 INFO L87 Difference]: Start difference. First operand 3233 states and 4611 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:21,838 INFO L93 Difference]: Finished difference Result 5069 states and 7162 transitions. [2022-10-16 03:51:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:21,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-16 03:51:21,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:21,842 INFO L225 Difference]: With dead ends: 5069 [2022-10-16 03:51:21,842 INFO L226 Difference]: Without dead ends: 5069 [2022-10-16 03:51:21,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:21,843 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 96 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:21,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 420 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:21,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5069 states. [2022-10-16 03:51:21,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5069 to 4859. [2022-10-16 03:51:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4859 states, 4858 states have (on average 1.4151914368052696) internal successors, (6875), 4858 states have internal predecessors, (6875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4859 states to 4859 states and 6875 transitions. [2022-10-16 03:51:21,891 INFO L78 Accepts]: Start accepts. Automaton has 4859 states and 6875 transitions. Word has length 117 [2022-10-16 03:51:21,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:21,891 INFO L495 AbstractCegarLoop]: Abstraction has 4859 states and 6875 transitions. [2022-10-16 03:51:21,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4859 states and 6875 transitions. [2022-10-16 03:51:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 03:51:21,893 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:21,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:21,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-10-16 03:51:21,893 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:21,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:21,894 INFO L85 PathProgramCache]: Analyzing trace with hash 966003247, now seen corresponding path program 1 times [2022-10-16 03:51:21,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:21,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050099585] [2022-10-16 03:51:21,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:21,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:21,992 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 03:51:21,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:21,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050099585] [2022-10-16 03:51:21,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050099585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:21,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:21,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:21,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59714962] [2022-10-16 03:51:21,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:21,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:21,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:21,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:21,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:21,994 INFO L87 Difference]: Start difference. First operand 4859 states and 6875 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:22,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:22,020 INFO L93 Difference]: Finished difference Result 9283 states and 12992 transitions. [2022-10-16 03:51:22,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:22,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 03:51:22,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:22,028 INFO L225 Difference]: With dead ends: 9283 [2022-10-16 03:51:22,028 INFO L226 Difference]: Without dead ends: 9283 [2022-10-16 03:51:22,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:22,029 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 89 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:22,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 420 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:22,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9283 states. [2022-10-16 03:51:22,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9283 to 8969. [2022-10-16 03:51:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8969 states, 8968 states have (on average 1.405107047279215) internal successors, (12601), 8968 states have internal predecessors, (12601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8969 states to 8969 states and 12601 transitions. [2022-10-16 03:51:22,151 INFO L78 Accepts]: Start accepts. Automaton has 8969 states and 12601 transitions. Word has length 118 [2022-10-16 03:51:22,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:22,152 INFO L495 AbstractCegarLoop]: Abstraction has 8969 states and 12601 transitions. [2022-10-16 03:51:22,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:22,152 INFO L276 IsEmpty]: Start isEmpty. Operand 8969 states and 12601 transitions. [2022-10-16 03:51:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 03:51:22,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:22,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:22,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 03:51:22,157 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:22,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:22,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1314946245, now seen corresponding path program 1 times [2022-10-16 03:51:22,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:22,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875197178] [2022-10-16 03:51:22,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:22,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:22,333 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 03:51:22,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:22,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875197178] [2022-10-16 03:51:22,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875197178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:22,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:22,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:22,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465194920] [2022-10-16 03:51:22,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:22,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:22,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:22,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:22,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:22,343 INFO L87 Difference]: Start difference. First operand 8969 states and 12601 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:22,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:22,398 INFO L93 Difference]: Finished difference Result 17191 states and 23820 transitions. [2022-10-16 03:51:22,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:22,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 03:51:22,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:22,418 INFO L225 Difference]: With dead ends: 17191 [2022-10-16 03:51:22,419 INFO L226 Difference]: Without dead ends: 17191 [2022-10-16 03:51:22,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:22,420 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 82 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:22,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 420 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:22,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17191 states. [2022-10-16 03:51:22,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17191 to 16565. [2022-10-16 03:51:22,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16565 states, 16564 states have (on average 1.3909079932383481) internal successors, (23039), 16564 states have internal predecessors, (23039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16565 states to 16565 states and 23039 transitions. [2022-10-16 03:51:22,643 INFO L78 Accepts]: Start accepts. Automaton has 16565 states and 23039 transitions. Word has length 119 [2022-10-16 03:51:22,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:22,643 INFO L495 AbstractCegarLoop]: Abstraction has 16565 states and 23039 transitions. [2022-10-16 03:51:22,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:22,643 INFO L276 IsEmpty]: Start isEmpty. Operand 16565 states and 23039 transitions. [2022-10-16 03:51:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 03:51:22,644 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:22,645 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, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:22,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-10-16 03:51:22,645 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:22,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:22,646 INFO L85 PathProgramCache]: Analyzing trace with hash -590316034, now seen corresponding path program 1 times [2022-10-16 03:51:22,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:22,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257170468] [2022-10-16 03:51:22,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:22,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:22,785 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 03:51:22,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:22,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257170468] [2022-10-16 03:51:22,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257170468] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:22,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:22,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:22,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280855559] [2022-10-16 03:51:22,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:22,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:22,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:22,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:22,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:22,788 INFO L87 Difference]: Start difference. First operand 16565 states and 23039 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:22,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:22,929 INFO L93 Difference]: Finished difference Result 31759 states and 43448 transitions. [2022-10-16 03:51:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:22,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 03:51:22,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:22,964 INFO L225 Difference]: With dead ends: 31759 [2022-10-16 03:51:22,965 INFO L226 Difference]: Without dead ends: 31759 [2022-10-16 03:51:22,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:22,965 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 75 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:22,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 419 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:22,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31759 states. [2022-10-16 03:51:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31759 to 30509. [2022-10-16 03:51:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30509 states, 30508 states have (on average 1.3729841353087715) internal successors, (41887), 30508 states have internal predecessors, (41887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30509 states to 30509 states and 41887 transitions. [2022-10-16 03:51:23,433 INFO L78 Accepts]: Start accepts. Automaton has 30509 states and 41887 transitions. Word has length 120 [2022-10-16 03:51:23,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:23,433 INFO L495 AbstractCegarLoop]: Abstraction has 30509 states and 41887 transitions. [2022-10-16 03:51:23,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:23,434 INFO L276 IsEmpty]: Start isEmpty. Operand 30509 states and 41887 transitions. [2022-10-16 03:51:23,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 03:51:23,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:23,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:23,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-10-16 03:51:23,435 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:23,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:23,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1670009354, now seen corresponding path program 1 times [2022-10-16 03:51:23,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:23,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81284086] [2022-10-16 03:51:23,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:23,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:23,582 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 03:51:23,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:23,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81284086] [2022-10-16 03:51:23,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81284086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:23,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:23,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:23,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619717165] [2022-10-16 03:51:23,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:23,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:23,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:23,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:23,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:23,584 INFO L87 Difference]: Start difference. First operand 30509 states and 41887 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:23,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:23,740 INFO L93 Difference]: Finished difference Result 58399 states and 78648 transitions. [2022-10-16 03:51:23,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:23,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 03:51:23,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:23,795 INFO L225 Difference]: With dead ends: 58399 [2022-10-16 03:51:23,795 INFO L226 Difference]: Without dead ends: 58399 [2022-10-16 03:51:23,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:23,798 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 65 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:23,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 417 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:23,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58399 states. [2022-10-16 03:51:24,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58399 to 55901. [2022-10-16 03:51:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55901 states, 55900 states have (on average 1.3511091234347048) internal successors, (75527), 55900 states have internal predecessors, (75527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55901 states to 55901 states and 75527 transitions. [2022-10-16 03:51:25,135 INFO L78 Accepts]: Start accepts. Automaton has 55901 states and 75527 transitions. Word has length 121 [2022-10-16 03:51:25,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:25,135 INFO L495 AbstractCegarLoop]: Abstraction has 55901 states and 75527 transitions. [2022-10-16 03:51:25,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:25,136 INFO L276 IsEmpty]: Start isEmpty. Operand 55901 states and 75527 transitions. [2022-10-16 03:51:25,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 03:51:25,136 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:25,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:25,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-10-16 03:51:25,137 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:25,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:25,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1801378661, now seen corresponding path program 1 times [2022-10-16 03:51:25,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:25,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912790130] [2022-10-16 03:51:25,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:25,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:25,422 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 03:51:25,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:25,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912790130] [2022-10-16 03:51:25,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912790130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:25,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:25,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:51:25,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285621956] [2022-10-16 03:51:25,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:25,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:51:25,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:25,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:51:25,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:51:25,424 INFO L87 Difference]: Start difference. First operand 55901 states and 75527 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:25,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:25,716 INFO L93 Difference]: Finished difference Result 86713 states and 115814 transitions. [2022-10-16 03:51:25,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:51:25,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 03:51:25,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:25,801 INFO L225 Difference]: With dead ends: 86713 [2022-10-16 03:51:25,801 INFO L226 Difference]: Without dead ends: 86713 [2022-10-16 03:51:25,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:51:25,802 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 312 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:25,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 989 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:25,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86713 states. [2022-10-16 03:51:26,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86713 to 57053. [2022-10-16 03:51:26,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57053 states, 57052 states have (on average 1.3361670055388066) internal successors, (76231), 57052 states have internal predecessors, (76231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57053 states to 57053 states and 76231 transitions. [2022-10-16 03:51:26,843 INFO L78 Accepts]: Start accepts. Automaton has 57053 states and 76231 transitions. Word has length 122 [2022-10-16 03:51:26,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:26,843 INFO L495 AbstractCegarLoop]: Abstraction has 57053 states and 76231 transitions. [2022-10-16 03:51:26,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 57053 states and 76231 transitions. [2022-10-16 03:51:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 03:51:26,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:26,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:26,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-10-16 03:51:26,845 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:26,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:26,845 INFO L85 PathProgramCache]: Analyzing trace with hash -66701655, now seen corresponding path program 1 times [2022-10-16 03:51:26,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:26,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971062253] [2022-10-16 03:51:26,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:26,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:27,184 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 03:51:27,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:27,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971062253] [2022-10-16 03:51:27,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971062253] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:27,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:27,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:27,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494907548] [2022-10-16 03:51:27,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:27,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:27,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:27,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:27,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:27,186 INFO L87 Difference]: Start difference. First operand 57053 states and 76231 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:27,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:27,312 INFO L93 Difference]: Finished difference Result 58559 states and 77400 transitions. [2022-10-16 03:51:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:27,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 03:51:27,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:27,367 INFO L225 Difference]: With dead ends: 58559 [2022-10-16 03:51:27,367 INFO L226 Difference]: Without dead ends: 58559 [2022-10-16 03:51:27,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:27,368 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 108 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:27,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 347 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:27,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58559 states. [2022-10-16 03:51:28,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58559 to 58557. [2022-10-16 03:51:28,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58557 states, 58556 states have (on average 1.321794521483708) internal successors, (77399), 58556 states have internal predecessors, (77399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58557 states to 58557 states and 77399 transitions. [2022-10-16 03:51:28,310 INFO L78 Accepts]: Start accepts. Automaton has 58557 states and 77399 transitions. Word has length 122 [2022-10-16 03:51:28,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:28,310 INFO L495 AbstractCegarLoop]: Abstraction has 58557 states and 77399 transitions. [2022-10-16 03:51:28,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:51:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 58557 states and 77399 transitions. [2022-10-16 03:51:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 03:51:28,317 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:28,317 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:28,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-10-16 03:51:28,318 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 14 more)] === [2022-10-16 03:51:28,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:28,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1114959982, now seen corresponding path program 1 times [2022-10-16 03:51:28,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:28,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425021221] [2022-10-16 03:51:28,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:28,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:29,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:29,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425021221] [2022-10-16 03:51:29,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425021221] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:51:29,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851887392] [2022-10-16 03:51:29,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:29,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:51:29,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:51:29,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:51:29,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 03:51:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:29,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 03:51:29,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:51:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:30,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:51:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:32,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851887392] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:51:32,314 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:51:32,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2022-10-16 03:51:32,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145642653] [2022-10-16 03:51:32,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:51:32,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-16 03:51:32,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:32,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-16 03:51:32,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=720, Unknown=0, NotChecked=0, Total=812 [2022-10-16 03:51:32,317 INFO L87 Difference]: Start difference. First operand 58557 states and 77399 transitions. Second operand has 29 states, 29 states have (on average 14.310344827586206) internal successors, (415), 28 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)