/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:00:01,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:00:01,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:00:01,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 04:00:01,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:00:01,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:00:01,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:00:01,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 04:00:01,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:00:01,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:00:01,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:00:01,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:00:01,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:00:01,678 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:00:01,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:00:01,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:00:01,679 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:00:01,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:00:01,680 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:00:01,680 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:00:01,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:00:01,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:00:01,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:00:01,681 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:00:01,681 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:00:01,681 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:00:01,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:00:01,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:00:01,682 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:00:01,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:00:01,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:00:01,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:00:01,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:00:01,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:00:01,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:00:01,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:00:01,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:00:01,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:00:01,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:00:02,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:00:02,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:00:02,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:00:02,080 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:00:02,082 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:00:02,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 04:00:02,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147aecada/6a6a70451fec49d89dfbf6b18b367b22/FLAG48f3b0774 [2022-10-16 04:00:03,450 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:00:03,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 04:00:03,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147aecada/6a6a70451fec49d89dfbf6b18b367b22/FLAG48f3b0774 [2022-10-16 04:00:03,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147aecada/6a6a70451fec49d89dfbf6b18b367b22 [2022-10-16 04:00:03,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:00:03,548 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:00:03,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:00:03,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:00:03,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:00:03,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:00:03" (1/1) ... [2022-10-16 04:00:03,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494a8368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:03, skipping insertion in model container [2022-10-16 04:00:03,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:00:03" (1/1) ... [2022-10-16 04:00:03,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:00:04,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:00:05,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[147376,147389] [2022-10-16 04:00:05,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[216640,216653] [2022-10-16 04:00:06,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251269,251282] [2022-10-16 04:00:06,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[268618,268631] [2022-10-16 04:00:06,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[277293,277306] [2022-10-16 04:00:06,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[281602,281615] [2022-10-16 04:00:06,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[285742,285755] [2022-10-16 04:00:06,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[353833,353846] [2022-10-16 04:00:06,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[387694,387707] [2022-10-16 04:00:06,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[404802,404815] [2022-10-16 04:00:06,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[413481,413494] [2022-10-16 04:00:06,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[417791,417804] [2022-10-16 04:00:06,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[421932,421945] [2022-10-16 04:00:06,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[456014,456027] [2022-10-16 04:00:06,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[473125,473138] [2022-10-16 04:00:06,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[481792,481805] [2022-10-16 04:00:06,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[486086,486099] [2022-10-16 04:00:06,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[490211,490224] [2022-10-16 04:00:07,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[508509,508522] [2022-10-16 04:00:07,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[517152,517165] [2022-10-16 04:00:07,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[521446,521459] [2022-10-16 04:00:07,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[525571,525584] [2022-10-16 04:00:07,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[530444,530457] [2022-10-16 04:00:07,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[534605,534618] [2022-10-16 04:00:07,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[538899,538912] [2022-10-16 04:00:07,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[543024,543037] [2022-10-16 04:00:07,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[547518,547531] [2022-10-16 04:00:07,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[551659,551672] [2022-10-16 04:00:07,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[555964,555977] [2022-10-16 04:00:07,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:00:07,320 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:00:07,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[147376,147389] [2022-10-16 04:00:08,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[216640,216653] [2022-10-16 04:00:08,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251269,251282] [2022-10-16 04:00:08,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[268618,268631] [2022-10-16 04:00:08,322 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.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[277293,277306] [2022-10-16 04:00:08,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[281602,281615] [2022-10-16 04:00:08,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[285742,285755] [2022-10-16 04:00:08,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[353833,353846] [2022-10-16 04:00:08,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[387694,387707] [2022-10-16 04:00:08,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[404802,404815] [2022-10-16 04:00:08,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[413481,413494] [2022-10-16 04:00:08,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[417791,417804] [2022-10-16 04:00:08,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[421932,421945] [2022-10-16 04:00:08,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[456014,456027] [2022-10-16 04:00:09,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[473125,473138] [2022-10-16 04:00:09,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[481792,481805] [2022-10-16 04:00:09,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[486086,486099] [2022-10-16 04:00:09,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[490211,490224] [2022-10-16 04:00:09,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[508509,508522] [2022-10-16 04:00:09,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[517152,517165] [2022-10-16 04:00:09,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[521446,521459] [2022-10-16 04:00:09,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[525571,525584] [2022-10-16 04:00:09,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[530444,530457] [2022-10-16 04:00:09,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[534605,534618] [2022-10-16 04:00:09,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[538899,538912] [2022-10-16 04:00:09,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[543024,543037] [2022-10-16 04:00:09,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[547518,547531] [2022-10-16 04:00:09,306 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.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[551659,551672] [2022-10-16 04:00:09,322 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.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[555964,555977] [2022-10-16 04:00:09,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:00:09,417 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:00:09,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09 WrapperNode [2022-10-16 04:00:09,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:00:09,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:00:09,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:00:09,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:00:09,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:09,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:09,875 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24436 [2022-10-16 04:00:09,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:00:09,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:00:09,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:00:09,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:00:09,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:09,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:09,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:09,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:10,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:10,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:10,395 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:10,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:10,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:00:10,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:00:10,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:00:10,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:00:10,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (1/1) ... [2022-10-16 04:00:10,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:00:10,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:00:10,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 04:00:10,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 04:00:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:00:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:00:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:00:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:00:11,310 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:00:11,313 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:00:21,424 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:00:21,473 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:00:21,474 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 04:00:21,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:00:21 BoogieIcfgContainer [2022-10-16 04:00:21,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:00:21,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:00:21,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:00:21,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:00:21,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:00:03" (1/3) ... [2022-10-16 04:00:21,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2ddac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:00:21, skipping insertion in model container [2022-10-16 04:00:21,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:00:09" (2/3) ... [2022-10-16 04:00:21,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2ddac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:00:21, skipping insertion in model container [2022-10-16 04:00:21,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:00:21" (3/3) ... [2022-10-16 04:00:21,492 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 04:00:21,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:00:21,515 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-10-16 04:00:21,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:00:21,644 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;@7b85bf6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:00:21,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-10-16 04:00:21,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 5024 states, 4993 states have (on average 1.8157420388543961) internal successors, (9066), 5023 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:21,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 04:00:21,674 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:21,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 04:00:21,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:21,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:21,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1647237, now seen corresponding path program 1 times [2022-10-16 04:00:21,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:21,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2975250] [2022-10-16 04:00:21,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:21,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:22,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:22,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2975250] [2022-10-16 04:00:22,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2975250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:22,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:22,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 04:00:22,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210459446] [2022-10-16 04:00:22,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:22,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:00:22,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:22,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:00:22,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:00:22,250 INFO L87 Difference]: Start difference. First operand has 5024 states, 4993 states have (on average 1.8157420388543961) internal successors, (9066), 5023 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:22,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:22,567 INFO L93 Difference]: Finished difference Result 5023 states and 9036 transitions. [2022-10-16 04:00:22,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:00:22,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 04:00:22,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:22,614 INFO L225 Difference]: With dead ends: 5023 [2022-10-16 04:00:22,615 INFO L226 Difference]: Without dead ends: 5020 [2022-10-16 04:00:22,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:00:22,621 INFO L413 NwaCegarLoop]: 9035 mSDtfsCounter, 9033 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9033 SdHoareTripleChecker+Valid, 9035 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:22,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9033 Valid, 9035 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:00:22,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5020 states. [2022-10-16 04:00:22,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5020 to 5020. [2022-10-16 04:00:22,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5020 states, 4991 states have (on average 1.3075535964736527) internal successors, (6526), 5019 states have internal predecessors, (6526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5020 states to 5020 states and 6526 transitions. [2022-10-16 04:00:22,828 INFO L78 Accepts]: Start accepts. Automaton has 5020 states and 6526 transitions. Word has length 4 [2022-10-16 04:00:22,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:22,828 INFO L495 AbstractCegarLoop]: Abstraction has 5020 states and 6526 transitions. [2022-10-16 04:00:22,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 5020 states and 6526 transitions. [2022-10-16 04:00:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 04:00:22,850 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:22,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:22,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:00:22,851 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:22,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:22,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1176206024, now seen corresponding path program 1 times [2022-10-16 04:00:22,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:22,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854451850] [2022-10-16 04:00:22,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:22,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:23,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:23,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854451850] [2022-10-16 04:00:23,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854451850] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:23,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:23,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:23,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658630718] [2022-10-16 04:00:23,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:23,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:23,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:23,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:23,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:23,380 INFO L87 Difference]: Start difference. First operand 5020 states and 6526 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:26,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:26,247 INFO L93 Difference]: Finished difference Result 3084 states and 4045 transitions. [2022-10-16 04:00:26,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:26,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 04:00:26,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:26,263 INFO L225 Difference]: With dead ends: 3084 [2022-10-16 04:00:26,264 INFO L226 Difference]: Without dead ends: 3084 [2022-10-16 04:00:26,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:00:26,266 INFO L413 NwaCegarLoop]: 1758 mSDtfsCounter, 11933 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11933 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 2406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:26,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11933 Valid, 1794 Invalid, 2406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:00:26,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3084 states. [2022-10-16 04:00:26,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3084 to 3084. [2022-10-16 04:00:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3084 states, 3055 states have (on average 1.3240589198036006) internal successors, (4045), 3083 states have internal predecessors, (4045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:26,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4045 transitions. [2022-10-16 04:00:26,339 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4045 transitions. Word has length 101 [2022-10-16 04:00:26,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:26,341 INFO L495 AbstractCegarLoop]: Abstraction has 3084 states and 4045 transitions. [2022-10-16 04:00:26,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4045 transitions. [2022-10-16 04:00:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 04:00:26,351 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:26,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:26,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 04:00:26,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:26,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:26,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2063346064, now seen corresponding path program 1 times [2022-10-16 04:00:26,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:26,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559836694] [2022-10-16 04:00:26,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:26,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:26,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:26,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559836694] [2022-10-16 04:00:26,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559836694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:26,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:26,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:26,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381684173] [2022-10-16 04:00:26,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:26,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:26,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:26,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:26,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:26,674 INFO L87 Difference]: Start difference. First operand 3084 states and 4045 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:29,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:29,422 INFO L93 Difference]: Finished difference Result 2828 states and 3756 transitions. [2022-10-16 04:00:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:29,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 04:00:29,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:29,441 INFO L225 Difference]: With dead ends: 2828 [2022-10-16 04:00:29,441 INFO L226 Difference]: Without dead ends: 2828 [2022-10-16 04:00:29,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:00:29,443 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 10949 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2288 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10949 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 2517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 2288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:29,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10949 Valid, 1522 Invalid, 2517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 2288 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:00:29,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2022-10-16 04:00:29,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2828. [2022-10-16 04:00:29,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2799 states have (on average 1.3419078242229368) internal successors, (3756), 2827 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 3756 transitions. [2022-10-16 04:00:29,505 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 3756 transitions. Word has length 101 [2022-10-16 04:00:29,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:29,506 INFO L495 AbstractCegarLoop]: Abstraction has 2828 states and 3756 transitions. [2022-10-16 04:00:29,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3756 transitions. [2022-10-16 04:00:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 04:00:29,514 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:29,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:29,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 04:00:29,515 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:29,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:29,516 INFO L85 PathProgramCache]: Analyzing trace with hash -299686269, now seen corresponding path program 1 times [2022-10-16 04:00:29,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:29,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412667876] [2022-10-16 04:00:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:29,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:29,754 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 04:00:29,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:29,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412667876] [2022-10-16 04:00:29,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412667876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:29,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:29,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:29,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986766273] [2022-10-16 04:00:29,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:29,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:29,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:29,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:29,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:29,758 INFO L87 Difference]: Start difference. First operand 2828 states and 3756 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:32,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:32,820 INFO L93 Difference]: Finished difference Result 3618 states and 4900 transitions. [2022-10-16 04:00:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:32,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 04:00:32,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:32,841 INFO L225 Difference]: With dead ends: 3618 [2022-10-16 04:00:32,842 INFO L226 Difference]: Without dead ends: 3618 [2022-10-16 04:00:32,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:00:32,846 INFO L413 NwaCegarLoop]: 1463 mSDtfsCounter, 12954 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12954 SdHoareTripleChecker+Valid, 2186 SdHoareTripleChecker+Invalid, 2825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:32,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12954 Valid, 2186 Invalid, 2825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 04:00:32,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2022-10-16 04:00:32,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3468. [2022-10-16 04:00:32,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3468 states, 3439 states have (on average 1.3858679848793254) internal successors, (4766), 3467 states have internal predecessors, (4766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3468 states to 3468 states and 4766 transitions. [2022-10-16 04:00:32,971 INFO L78 Accepts]: Start accepts. Automaton has 3468 states and 4766 transitions. Word has length 101 [2022-10-16 04:00:32,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:32,972 INFO L495 AbstractCegarLoop]: Abstraction has 3468 states and 4766 transitions. [2022-10-16 04:00:32,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3468 states and 4766 transitions. [2022-10-16 04:00:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 04:00:32,980 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:32,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:32,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 04:00:32,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:32,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:32,982 INFO L85 PathProgramCache]: Analyzing trace with hash 112654927, now seen corresponding path program 1 times [2022-10-16 04:00:32,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:32,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813081421] [2022-10-16 04:00:32,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:32,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:33,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:33,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813081421] [2022-10-16 04:00:33,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813081421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:33,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:33,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:33,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099798075] [2022-10-16 04:00:33,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:33,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:33,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:33,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:33,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:33,201 INFO L87 Difference]: Start difference. First operand 3468 states and 4766 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:34,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:34,755 INFO L93 Difference]: Finished difference Result 2694 states and 3742 transitions. [2022-10-16 04:00:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:34,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 04:00:34,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:34,773 INFO L225 Difference]: With dead ends: 2694 [2022-10-16 04:00:34,774 INFO L226 Difference]: Without dead ends: 2694 [2022-10-16 04:00:34,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:00:34,776 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 7602 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7602 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:34,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7602 Valid, 1211 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 04:00:34,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2022-10-16 04:00:34,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2694. [2022-10-16 04:00:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 2665 states have (on average 1.4041275797373358) internal successors, (3742), 2693 states have internal predecessors, (3742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:34,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3742 transitions. [2022-10-16 04:00:34,864 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3742 transitions. Word has length 102 [2022-10-16 04:00:34,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:34,865 INFO L495 AbstractCegarLoop]: Abstraction has 2694 states and 3742 transitions. [2022-10-16 04:00:34,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3742 transitions. [2022-10-16 04:00:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 04:00:34,876 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:34,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:34,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 04:00:34,877 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:34,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:34,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1353221859, now seen corresponding path program 1 times [2022-10-16 04:00:34,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:34,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249567918] [2022-10-16 04:00:34,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:34,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:35,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:35,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249567918] [2022-10-16 04:00:35,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249567918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:35,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:35,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:35,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916879276] [2022-10-16 04:00:35,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:35,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:35,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:35,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:35,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:35,200 INFO L87 Difference]: Start difference. First operand 2694 states and 3742 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:36,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:36,654 INFO L93 Difference]: Finished difference Result 2485 states and 3479 transitions. [2022-10-16 04:00:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:36,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 04:00:36,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:36,667 INFO L225 Difference]: With dead ends: 2485 [2022-10-16 04:00:36,667 INFO L226 Difference]: Without dead ends: 2485 [2022-10-16 04:00:36,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:00:36,668 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 7040 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7040 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:36,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7040 Valid, 1140 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 04:00:36,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2022-10-16 04:00:36,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2022-10-16 04:00:36,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 2456 states have (on average 1.416530944625407) internal successors, (3479), 2484 states have internal predecessors, (3479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3479 transitions. [2022-10-16 04:00:36,728 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3479 transitions. Word has length 103 [2022-10-16 04:00:36,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:36,729 INFO L495 AbstractCegarLoop]: Abstraction has 2485 states and 3479 transitions. [2022-10-16 04:00:36,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3479 transitions. [2022-10-16 04:00:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 04:00:36,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:36,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:36,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 04:00:36,736 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:36,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:36,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1882555602, now seen corresponding path program 1 times [2022-10-16 04:00:36,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:36,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275662603] [2022-10-16 04:00:36,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:36,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:36,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:36,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275662603] [2022-10-16 04:00:36,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275662603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:36,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:36,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:36,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058368013] [2022-10-16 04:00:36,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:36,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:36,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:36,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:36,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:36,950 INFO L87 Difference]: Start difference. First operand 2485 states and 3479 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:38,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:38,168 INFO L93 Difference]: Finished difference Result 2286 states and 3216 transitions. [2022-10-16 04:00:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:38,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 04:00:38,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:38,181 INFO L225 Difference]: With dead ends: 2286 [2022-10-16 04:00:38,181 INFO L226 Difference]: Without dead ends: 2286 [2022-10-16 04:00:38,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:00:38,182 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 6465 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6465 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:38,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6465 Valid, 1077 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 04:00:38,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2022-10-16 04:00:38,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2286. [2022-10-16 04:00:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2286 states, 2257 states have (on average 1.4249003101462119) internal successors, (3216), 2285 states have internal predecessors, (3216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2286 states and 3216 transitions. [2022-10-16 04:00:38,240 INFO L78 Accepts]: Start accepts. Automaton has 2286 states and 3216 transitions. Word has length 104 [2022-10-16 04:00:38,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:38,240 INFO L495 AbstractCegarLoop]: Abstraction has 2286 states and 3216 transitions. [2022-10-16 04:00:38,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 3216 transitions. [2022-10-16 04:00:38,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 04:00:38,247 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:38,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:38,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 04:00:38,248 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:38,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:38,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1331427909, now seen corresponding path program 1 times [2022-10-16 04:00:38,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:38,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424821418] [2022-10-16 04:00:38,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:38,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:38,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:38,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424821418] [2022-10-16 04:00:38,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424821418] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:38,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:38,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:00:38,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708635077] [2022-10-16 04:00:38,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:38,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:00:38,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:38,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:00:38,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:00:38,473 INFO L87 Difference]: Start difference. First operand 2286 states and 3216 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:39,333 INFO L93 Difference]: Finished difference Result 1556 states and 2201 transitions. [2022-10-16 04:00:39,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:00:39,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 04:00:39,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:39,342 INFO L225 Difference]: With dead ends: 1556 [2022-10-16 04:00:39,342 INFO L226 Difference]: Without dead ends: 1556 [2022-10-16 04:00:39,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:00:39,343 INFO L413 NwaCegarLoop]: 720 mSDtfsCounter, 4230 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4230 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:39,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4230 Valid, 764 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 04:00:39,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2022-10-16 04:00:39,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1556. [2022-10-16 04:00:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.441388343156516) internal successors, (2201), 1555 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:39,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2201 transitions. [2022-10-16 04:00:39,375 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2201 transitions. Word has length 105 [2022-10-16 04:00:39,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:39,375 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2201 transitions. [2022-10-16 04:00:39,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2201 transitions. [2022-10-16 04:00:39,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 04:00:39,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:39,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:39,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 04:00:39,381 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:39,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:39,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1784080565, now seen corresponding path program 1 times [2022-10-16 04:00:39,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:39,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282822107] [2022-10-16 04:00:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:39,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:40,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:40,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282822107] [2022-10-16 04:00:40,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282822107] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:40,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:40,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:40,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599385896] [2022-10-16 04:00:40,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:40,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:40,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:40,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:40,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:40,102 INFO L87 Difference]: Start difference. First operand 1556 states and 2201 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:42,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:42,378 INFO L93 Difference]: Finished difference Result 2740 states and 3897 transitions. [2022-10-16 04:00:42,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:42,384 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 04:00:42,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:42,414 INFO L225 Difference]: With dead ends: 2740 [2022-10-16 04:00:42,414 INFO L226 Difference]: Without dead ends: 2740 [2022-10-16 04:00:42,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:42,419 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 4344 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4344 SdHoareTripleChecker+Valid, 3748 SdHoareTripleChecker+Invalid, 3201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:42,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4344 Valid, 3748 Invalid, 3201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:00:42,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-10-16 04:00:42,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-10-16 04:00:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4407334643091028) internal successors, (2200), 1555 states have internal predecessors, (2200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:42,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2200 transitions. [2022-10-16 04:00:42,474 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2200 transitions. Word has length 106 [2022-10-16 04:00:42,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:42,474 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2200 transitions. [2022-10-16 04:00:42,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:42,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2200 transitions. [2022-10-16 04:00:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 04:00:42,479 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:42,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:42,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 04:00:42,480 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:42,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:42,481 INFO L85 PathProgramCache]: Analyzing trace with hash -93884374, now seen corresponding path program 1 times [2022-10-16 04:00:42,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:42,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510979603] [2022-10-16 04:00:42,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:42,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:43,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:43,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510979603] [2022-10-16 04:00:43,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510979603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:43,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:43,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 04:00:43,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212390046] [2022-10-16 04:00:43,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:43,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:00:43,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:43,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:00:43,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:00:43,382 INFO L87 Difference]: Start difference. First operand 1556 states and 2200 transitions. Second operand has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 11 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:46,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:46,416 INFO L93 Difference]: Finished difference Result 2814 states and 3995 transitions. [2022-10-16 04:00:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 04:00:46,417 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 11 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 04:00:46,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:46,424 INFO L225 Difference]: With dead ends: 2814 [2022-10-16 04:00:46,424 INFO L226 Difference]: Without dead ends: 2814 [2022-10-16 04:00:46,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-10-16 04:00:46,426 INFO L413 NwaCegarLoop]: 911 mSDtfsCounter, 6563 mSDsluCounter, 4383 mSDsCounter, 0 mSdLazyCounter, 4534 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6563 SdHoareTripleChecker+Valid, 5294 SdHoareTripleChecker+Invalid, 4601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 4534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:46,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6563 Valid, 5294 Invalid, 4601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 4534 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:00:46,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2022-10-16 04:00:46,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 1563. [2022-10-16 04:00:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1534 states have (on average 1.4406779661016949) internal successors, (2210), 1562 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2210 transitions. [2022-10-16 04:00:46,478 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2210 transitions. Word has length 106 [2022-10-16 04:00:46,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:46,478 INFO L495 AbstractCegarLoop]: Abstraction has 1563 states and 2210 transitions. [2022-10-16 04:00:46,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 11 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2210 transitions. [2022-10-16 04:00:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 04:00:46,483 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:46,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:46,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 04:00:46,484 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:46,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:46,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1475113997, now seen corresponding path program 1 times [2022-10-16 04:00:46,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:46,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323991818] [2022-10-16 04:00:46,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:46,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:47,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:47,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323991818] [2022-10-16 04:00:47,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323991818] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:47,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:47,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:00:47,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613512883] [2022-10-16 04:00:47,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:47,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:00:47,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:47,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:00:47,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:00:47,033 INFO L87 Difference]: Start difference. First operand 1563 states and 2210 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:49,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:49,138 INFO L93 Difference]: Finished difference Result 2396 states and 3383 transitions. [2022-10-16 04:00:49,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:00:49,139 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 04:00:49,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:49,145 INFO L225 Difference]: With dead ends: 2396 [2022-10-16 04:00:49,145 INFO L226 Difference]: Without dead ends: 2396 [2022-10-16 04:00:49,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:00:49,146 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 4699 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 2938 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4699 SdHoareTripleChecker+Valid, 3483 SdHoareTripleChecker+Invalid, 2960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:49,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4699 Valid, 3483 Invalid, 2960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2938 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 04:00:49,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2022-10-16 04:00:49,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 1556. [2022-10-16 04:00:49,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4400785854616895) internal successors, (2199), 1555 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2199 transitions. [2022-10-16 04:00:49,181 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2199 transitions. Word has length 106 [2022-10-16 04:00:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:49,182 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2199 transitions. [2022-10-16 04:00:49,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2199 transitions. [2022-10-16 04:00:49,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 04:00:49,186 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:49,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:49,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 04:00:49,187 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:49,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:49,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1447789183, now seen corresponding path program 1 times [2022-10-16 04:00:49,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:49,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524704957] [2022-10-16 04:00:49,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:49,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:49,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:49,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524704957] [2022-10-16 04:00:49,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524704957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:49,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:49,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 04:00:49,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552503853] [2022-10-16 04:00:49,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:49,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 04:00:49,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:49,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 04:00:49,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-16 04:00:49,833 INFO L87 Difference]: Start difference. First operand 1556 states and 2199 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:52,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:52,296 INFO L93 Difference]: Finished difference Result 2660 states and 3759 transitions. [2022-10-16 04:00:52,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 04:00:52,297 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 04:00:52,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:52,302 INFO L225 Difference]: With dead ends: 2660 [2022-10-16 04:00:52,302 INFO L226 Difference]: Without dead ends: 2660 [2022-10-16 04:00:52,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-10-16 04:00:52,303 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 4793 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 3720 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4793 SdHoareTripleChecker+Valid, 4343 SdHoareTripleChecker+Invalid, 3878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 3720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:52,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4793 Valid, 4343 Invalid, 3878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 3720 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:00:52,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2022-10-16 04:00:52,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 1556. [2022-10-16 04:00:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.438768827766863) internal successors, (2197), 1555 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:52,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2197 transitions. [2022-10-16 04:00:52,338 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2197 transitions. Word has length 106 [2022-10-16 04:00:52,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:52,339 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2197 transitions. [2022-10-16 04:00:52,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2197 transitions. [2022-10-16 04:00:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 04:00:52,343 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:52,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:52,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 04:00:52,343 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:52,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:52,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1399133704, now seen corresponding path program 1 times [2022-10-16 04:00:52,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:52,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259643256] [2022-10-16 04:00:52,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:52,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:52,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:52,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259643256] [2022-10-16 04:00:52,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259643256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:52,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:52,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 04:00:52,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181926829] [2022-10-16 04:00:52,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:52,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 04:00:52,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:52,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 04:00:52,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-16 04:00:52,962 INFO L87 Difference]: Start difference. First operand 1556 states and 2197 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:55,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:55,467 INFO L93 Difference]: Finished difference Result 2732 states and 3880 transitions. [2022-10-16 04:00:55,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 04:00:55,467 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 04:00:55,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:55,473 INFO L225 Difference]: With dead ends: 2732 [2022-10-16 04:00:55,473 INFO L226 Difference]: Without dead ends: 2732 [2022-10-16 04:00:55,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-10-16 04:00:55,474 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 7632 mSDsluCounter, 3682 mSDsCounter, 0 mSdLazyCounter, 3817 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7632 SdHoareTripleChecker+Valid, 4558 SdHoareTripleChecker+Invalid, 3897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 3817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:55,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7632 Valid, 4558 Invalid, 3897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 3817 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:00:55,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2022-10-16 04:00:55,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 1556. [2022-10-16 04:00:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4374590700720367) internal successors, (2195), 1555 states have internal predecessors, (2195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2195 transitions. [2022-10-16 04:00:55,508 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2195 transitions. Word has length 106 [2022-10-16 04:00:55,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:55,508 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2195 transitions. [2022-10-16 04:00:55,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2195 transitions. [2022-10-16 04:00:55,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 04:00:55,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:55,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:55,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 04:00:55,512 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:55,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:55,513 INFO L85 PathProgramCache]: Analyzing trace with hash -287017141, now seen corresponding path program 1 times [2022-10-16 04:00:55,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:55,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964780653] [2022-10-16 04:00:55,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:55,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:56,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:56,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964780653] [2022-10-16 04:00:56,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964780653] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:56,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:56,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 04:00:56,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198587204] [2022-10-16 04:00:56,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:56,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 04:00:56,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:56,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 04:00:56,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-16 04:00:56,117 INFO L87 Difference]: Start difference. First operand 1556 states and 2195 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:58,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:00:58,559 INFO L93 Difference]: Finished difference Result 2732 states and 3878 transitions. [2022-10-16 04:00:58,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 04:00:58,560 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 04:00:58,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:00:58,566 INFO L225 Difference]: With dead ends: 2732 [2022-10-16 04:00:58,567 INFO L226 Difference]: Without dead ends: 2732 [2022-10-16 04:00:58,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-10-16 04:00:58,569 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 4414 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 3812 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4414 SdHoareTripleChecker+Valid, 4574 SdHoareTripleChecker+Invalid, 3862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 3812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:00:58,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4414 Valid, 4574 Invalid, 3862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 3812 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:00:58,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2022-10-16 04:00:58,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 1556. [2022-10-16 04:00:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4361493123772102) internal successors, (2193), 1555 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2193 transitions. [2022-10-16 04:00:58,611 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2193 transitions. Word has length 106 [2022-10-16 04:00:58,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:00:58,611 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2193 transitions. [2022-10-16 04:00:58,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:00:58,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2193 transitions. [2022-10-16 04:00:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 04:00:58,615 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:00:58,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:00:58,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 04:00:58,616 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:00:58,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:00:58,616 INFO L85 PathProgramCache]: Analyzing trace with hash -965176715, now seen corresponding path program 1 times [2022-10-16 04:00:58,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:00:58,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980444058] [2022-10-16 04:00:58,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:00:58,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:00:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:00:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:00:59,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:00:59,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980444058] [2022-10-16 04:00:59,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980444058] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:00:59,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:00:59,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 04:00:59,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279041180] [2022-10-16 04:00:59,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:00:59,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 04:00:59,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:00:59,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 04:00:59,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-16 04:00:59,182 INFO L87 Difference]: Start difference. First operand 1556 states and 2193 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:01,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:01,557 INFO L93 Difference]: Finished difference Result 2388 states and 3363 transitions. [2022-10-16 04:01:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 04:01:01,557 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 04:01:01,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:01,562 INFO L225 Difference]: With dead ends: 2388 [2022-10-16 04:01:01,563 INFO L226 Difference]: Without dead ends: 2388 [2022-10-16 04:01:01,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-10-16 04:01:01,564 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 5624 mSDsluCounter, 3373 mSDsCounter, 0 mSdLazyCounter, 3559 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5624 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 3588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 3559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:01,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5624 Valid, 4254 Invalid, 3588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 3559 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:01:01,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2022-10-16 04:01:01,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 1556. [2022-10-16 04:01:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4348395546823838) internal successors, (2191), 1555 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2191 transitions. [2022-10-16 04:01:01,596 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2191 transitions. Word has length 106 [2022-10-16 04:01:01,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:01,596 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2191 transitions. [2022-10-16 04:01:01,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2191 transitions. [2022-10-16 04:01:01,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 04:01:01,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:01,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:01,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 04:01:01,601 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:01,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:01,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1899937595, now seen corresponding path program 1 times [2022-10-16 04:01:01,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:01,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513758526] [2022-10-16 04:01:01,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:01,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:02,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:02,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513758526] [2022-10-16 04:01:02,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513758526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:02,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:02,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:02,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555402700] [2022-10-16 04:01:02,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:02,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:02,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:02,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:02,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:02,074 INFO L87 Difference]: Start difference. First operand 1556 states and 2191 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:04,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:04,253 INFO L93 Difference]: Finished difference Result 2740 states and 3883 transitions. [2022-10-16 04:01:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:04,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 04:01:04,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:04,260 INFO L225 Difference]: With dead ends: 2740 [2022-10-16 04:01:04,261 INFO L226 Difference]: Without dead ends: 2740 [2022-10-16 04:01:04,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:04,262 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 6393 mSDsluCounter, 2887 mSDsCounter, 0 mSdLazyCounter, 3138 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6393 SdHoareTripleChecker+Valid, 3763 SdHoareTripleChecker+Invalid, 3196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 3138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:04,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6393 Valid, 3763 Invalid, 3196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 3138 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 04:01:04,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-10-16 04:01:04,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-10-16 04:01:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4341846758349706) internal successors, (2190), 1555 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2190 transitions. [2022-10-16 04:01:04,294 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2190 transitions. Word has length 108 [2022-10-16 04:01:04,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:04,295 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2190 transitions. [2022-10-16 04:01:04,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:04,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2190 transitions. [2022-10-16 04:01:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 04:01:04,299 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:04,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:04,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 04:01:04,299 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:04,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:04,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1013800078, now seen corresponding path program 1 times [2022-10-16 04:01:04,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:04,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910194087] [2022-10-16 04:01:04,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:04,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:04,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:04,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910194087] [2022-10-16 04:01:04,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910194087] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:04,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:04,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:04,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381605590] [2022-10-16 04:01:04,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:04,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:04,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:04,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:04,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:04,709 INFO L87 Difference]: Start difference. First operand 1556 states and 2190 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:07,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:07,327 INFO L93 Difference]: Finished difference Result 2767 states and 3933 transitions. [2022-10-16 04:01:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:07,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 04:01:07,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:07,335 INFO L225 Difference]: With dead ends: 2767 [2022-10-16 04:01:07,335 INFO L226 Difference]: Without dead ends: 2767 [2022-10-16 04:01:07,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:07,336 INFO L413 NwaCegarLoop]: 1327 mSDtfsCounter, 5165 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 4253 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5165 SdHoareTripleChecker+Valid, 5233 SdHoareTripleChecker+Invalid, 4284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 4253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:07,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5165 Valid, 5233 Invalid, 4284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 4253 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:01:07,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-10-16 04:01:07,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2022-10-16 04:01:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4335297969875573) internal successors, (2189), 1555 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:07,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2189 transitions. [2022-10-16 04:01:07,371 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2189 transitions. Word has length 108 [2022-10-16 04:01:07,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:07,372 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2189 transitions. [2022-10-16 04:01:07,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2189 transitions. [2022-10-16 04:01:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 04:01:07,375 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:07,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:07,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 04:01:07,376 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:07,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:07,376 INFO L85 PathProgramCache]: Analyzing trace with hash 599824408, now seen corresponding path program 1 times [2022-10-16 04:01:07,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:07,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100349561] [2022-10-16 04:01:07,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:07,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:07,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:07,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100349561] [2022-10-16 04:01:07,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100349561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:07,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:07,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:07,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436780801] [2022-10-16 04:01:07,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:07,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:07,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:07,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:07,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:07,797 INFO L87 Difference]: Start difference. First operand 1556 states and 2189 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:10,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:10,099 INFO L93 Difference]: Finished difference Result 2740 states and 3881 transitions. [2022-10-16 04:01:10,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:10,104 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 04:01:10,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:10,111 INFO L225 Difference]: With dead ends: 2740 [2022-10-16 04:01:10,111 INFO L226 Difference]: Without dead ends: 2740 [2022-10-16 04:01:10,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:10,112 INFO L413 NwaCegarLoop]: 947 mSDtfsCounter, 6125 mSDsluCounter, 3131 mSDsCounter, 0 mSdLazyCounter, 3400 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6125 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 3457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 3400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:10,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6125 Valid, 4078 Invalid, 3457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 3400 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:01:10,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-10-16 04:01:10,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-10-16 04:01:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4328749181401441) internal successors, (2188), 1555 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2188 transitions. [2022-10-16 04:01:10,144 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2188 transitions. Word has length 108 [2022-10-16 04:01:10,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:10,144 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2188 transitions. [2022-10-16 04:01:10,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:10,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2188 transitions. [2022-10-16 04:01:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 04:01:10,148 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:10,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:10,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 04:01:10,149 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:10,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:10,149 INFO L85 PathProgramCache]: Analyzing trace with hash -187390256, now seen corresponding path program 1 times [2022-10-16 04:01:10,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:10,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802643944] [2022-10-16 04:01:10,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:10,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:10,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:10,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802643944] [2022-10-16 04:01:10,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802643944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:10,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:10,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:10,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087381196] [2022-10-16 04:01:10,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:10,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:10,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:10,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:10,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:10,632 INFO L87 Difference]: Start difference. First operand 1556 states and 2188 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:13,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:13,370 INFO L93 Difference]: Finished difference Result 2767 states and 3931 transitions. [2022-10-16 04:01:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:13,370 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 04:01:13,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:13,375 INFO L225 Difference]: With dead ends: 2767 [2022-10-16 04:01:13,375 INFO L226 Difference]: Without dead ends: 2767 [2022-10-16 04:01:13,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:01:13,377 INFO L413 NwaCegarLoop]: 1239 mSDtfsCounter, 6902 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 4187 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6902 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 4229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:13,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6902 Valid, 5191 Invalid, 4229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4187 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:01:13,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-10-16 04:01:13,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2022-10-16 04:01:13,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.432220039292731) internal successors, (2187), 1555 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2187 transitions. [2022-10-16 04:01:13,409 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2187 transitions. Word has length 108 [2022-10-16 04:01:13,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:13,409 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2187 transitions. [2022-10-16 04:01:13,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2187 transitions. [2022-10-16 04:01:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 04:01:13,412 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:13,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:13,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 04:01:13,413 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:13,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:13,413 INFO L85 PathProgramCache]: Analyzing trace with hash -817532877, now seen corresponding path program 1 times [2022-10-16 04:01:13,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:13,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904233015] [2022-10-16 04:01:13,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:13,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:13,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:13,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904233015] [2022-10-16 04:01:13,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904233015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:13,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:13,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:01:13,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212467299] [2022-10-16 04:01:13,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:13,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 04:01:13,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:13,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 04:01:13,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:01:13,922 INFO L87 Difference]: Start difference. First operand 1556 states and 2187 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:15,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:15,758 INFO L93 Difference]: Finished difference Result 2015 states and 2724 transitions. [2022-10-16 04:01:15,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 04:01:15,759 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 04:01:15,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:15,762 INFO L225 Difference]: With dead ends: 2015 [2022-10-16 04:01:15,762 INFO L226 Difference]: Without dead ends: 2015 [2022-10-16 04:01:15,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-10-16 04:01:15,763 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 7436 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7436 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 2391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:15,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7436 Valid, 2091 Invalid, 2391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 04:01:15,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2022-10-16 04:01:15,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1556. [2022-10-16 04:01:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4315651604453177) internal successors, (2186), 1555 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2186 transitions. [2022-10-16 04:01:15,789 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2186 transitions. Word has length 108 [2022-10-16 04:01:15,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:15,790 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2186 transitions. [2022-10-16 04:01:15,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2186 transitions. [2022-10-16 04:01:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:15,793 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:15,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:15,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 04:01:15,794 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:15,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:15,794 INFO L85 PathProgramCache]: Analyzing trace with hash 499181646, now seen corresponding path program 1 times [2022-10-16 04:01:15,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:15,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367571360] [2022-10-16 04:01:15,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:15,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:16,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:16,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:16,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367571360] [2022-10-16 04:01:16,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367571360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:16,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:16,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:16,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454114835] [2022-10-16 04:01:16,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:16,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:16,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:16,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:16,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:16,245 INFO L87 Difference]: Start difference. First operand 1556 states and 2186 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:18,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:18,930 INFO L93 Difference]: Finished difference Result 2767 states and 3928 transitions. [2022-10-16 04:01:18,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:18,930 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:18,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:18,935 INFO L225 Difference]: With dead ends: 2767 [2022-10-16 04:01:18,935 INFO L226 Difference]: Without dead ends: 2767 [2022-10-16 04:01:18,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:01:18,936 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 6913 mSDsluCounter, 3923 mSDsCounter, 0 mSdLazyCounter, 4094 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6913 SdHoareTripleChecker+Valid, 5131 SdHoareTripleChecker+Invalid, 4136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:18,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6913 Valid, 5131 Invalid, 4136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4094 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:01:18,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-10-16 04:01:18,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2022-10-16 04:01:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4302554027504912) internal successors, (2184), 1555 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2184 transitions. [2022-10-16 04:01:18,971 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2184 transitions. Word has length 110 [2022-10-16 04:01:18,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:18,971 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2184 transitions. [2022-10-16 04:01:18,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:18,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2184 transitions. [2022-10-16 04:01:18,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:18,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:18,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:18,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 04:01:18,976 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:18,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:18,976 INFO L85 PathProgramCache]: Analyzing trace with hash 710747051, now seen corresponding path program 1 times [2022-10-16 04:01:18,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:18,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695937785] [2022-10-16 04:01:18,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:18,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:19,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:19,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695937785] [2022-10-16 04:01:19,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695937785] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:19,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:19,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:19,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211735605] [2022-10-16 04:01:19,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:19,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:19,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:19,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:19,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:19,407 INFO L87 Difference]: Start difference. First operand 1556 states and 2184 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:21,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:21,925 INFO L93 Difference]: Finished difference Result 2716 states and 3836 transitions. [2022-10-16 04:01:21,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:21,929 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:21,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:21,931 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:01:21,931 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:01:21,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:21,932 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 7238 mSDsluCounter, 3527 mSDsCounter, 0 mSdLazyCounter, 3962 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7238 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:21,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7238 Valid, 4648 Invalid, 4083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3962 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:01:21,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:01:21,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:01:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4289456450556648) internal successors, (2182), 1555 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:21,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2182 transitions. [2022-10-16 04:01:21,961 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2182 transitions. Word has length 110 [2022-10-16 04:01:21,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:21,961 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2182 transitions. [2022-10-16 04:01:21,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2182 transitions. [2022-10-16 04:01:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:21,964 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:21,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:21,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 04:01:21,965 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:21,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:21,966 INFO L85 PathProgramCache]: Analyzing trace with hash -742843731, now seen corresponding path program 1 times [2022-10-16 04:01:21,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:21,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226772679] [2022-10-16 04:01:21,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:21,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:22,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:22,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226772679] [2022-10-16 04:01:22,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226772679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:22,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:22,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:22,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330904389] [2022-10-16 04:01:22,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:22,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:22,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:22,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:22,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:22,378 INFO L87 Difference]: Start difference. First operand 1556 states and 2182 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:24,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:24,805 INFO L93 Difference]: Finished difference Result 2716 states and 3834 transitions. [2022-10-16 04:01:24,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:24,806 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:24,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:24,810 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:01:24,810 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:01:24,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:24,811 INFO L413 NwaCegarLoop]: 1053 mSDtfsCounter, 5538 mSDsluCounter, 3434 mSDsCounter, 0 mSdLazyCounter, 3814 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5538 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 3906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:24,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5538 Valid, 4487 Invalid, 3906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 3814 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:01:24,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:01:24,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:01:24,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4276358873608384) internal successors, (2180), 1555 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2180 transitions. [2022-10-16 04:01:24,843 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2180 transitions. Word has length 110 [2022-10-16 04:01:24,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:24,843 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2180 transitions. [2022-10-16 04:01:24,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:24,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2180 transitions. [2022-10-16 04:01:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:24,847 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:24,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:24,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 04:01:24,848 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:24,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1547864661, now seen corresponding path program 1 times [2022-10-16 04:01:24,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:24,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163955454] [2022-10-16 04:01:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:24,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:25,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:25,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163955454] [2022-10-16 04:01:25,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163955454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:25,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:25,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:25,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229962435] [2022-10-16 04:01:25,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:25,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:25,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:25,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:25,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:25,235 INFO L87 Difference]: Start difference. First operand 1556 states and 2180 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:27,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:27,504 INFO L93 Difference]: Finished difference Result 2668 states and 3746 transitions. [2022-10-16 04:01:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:27,504 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:27,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:27,508 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:01:27,508 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:01:27,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:27,509 INFO L413 NwaCegarLoop]: 883 mSDtfsCounter, 6754 mSDsluCounter, 2871 mSDsCounter, 0 mSdLazyCounter, 3252 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6754 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 3473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 3252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:27,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6754 Valid, 3754 Invalid, 3473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 3252 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:01:27,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:01:27,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:01:27,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4263261296660117) internal successors, (2178), 1555 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2178 transitions. [2022-10-16 04:01:27,538 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2178 transitions. Word has length 110 [2022-10-16 04:01:27,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:27,538 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2178 transitions. [2022-10-16 04:01:27,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:27,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2178 transitions. [2022-10-16 04:01:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:27,542 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:27,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:27,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 04:01:27,543 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:27,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:27,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1996058189, now seen corresponding path program 1 times [2022-10-16 04:01:27,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:27,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781517657] [2022-10-16 04:01:27,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:27,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:27,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:27,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781517657] [2022-10-16 04:01:27,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781517657] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:27,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:27,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:27,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639526111] [2022-10-16 04:01:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:27,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:27,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:27,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:27,917 INFO L87 Difference]: Start difference. First operand 1556 states and 2178 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:30,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:30,363 INFO L93 Difference]: Finished difference Result 2740 states and 3869 transitions. [2022-10-16 04:01:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:30,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:30,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:30,368 INFO L225 Difference]: With dead ends: 2740 [2022-10-16 04:01:30,368 INFO L226 Difference]: Without dead ends: 2740 [2022-10-16 04:01:30,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:30,369 INFO L413 NwaCegarLoop]: 1122 mSDtfsCounter, 7214 mSDsluCounter, 3609 mSDsCounter, 0 mSdLazyCounter, 3957 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7214 SdHoareTripleChecker+Valid, 4731 SdHoareTripleChecker+Invalid, 4026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:30,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7214 Valid, 4731 Invalid, 4026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 3957 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:01:30,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-10-16 04:01:30,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-10-16 04:01:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4250163719711852) internal successors, (2176), 1555 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2176 transitions. [2022-10-16 04:01:30,433 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2176 transitions. Word has length 110 [2022-10-16 04:01:30,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:30,434 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2176 transitions. [2022-10-16 04:01:30,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2176 transitions. [2022-10-16 04:01:30,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:30,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:30,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:30,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 04:01:30,438 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:30,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:30,439 INFO L85 PathProgramCache]: Analyzing trace with hash 50488066, now seen corresponding path program 1 times [2022-10-16 04:01:30,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:30,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699316100] [2022-10-16 04:01:30,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:30,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:30,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:30,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699316100] [2022-10-16 04:01:30,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699316100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:30,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:30,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:30,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517725116] [2022-10-16 04:01:30,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:30,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:30,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:30,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:30,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:30,858 INFO L87 Difference]: Start difference. First operand 1556 states and 2176 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:33,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:33,299 INFO L93 Difference]: Finished difference Result 2740 states and 3865 transitions. [2022-10-16 04:01:33,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:33,300 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:33,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:33,303 INFO L225 Difference]: With dead ends: 2740 [2022-10-16 04:01:33,303 INFO L226 Difference]: Without dead ends: 2740 [2022-10-16 04:01:33,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:33,305 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 7514 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 3853 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7514 SdHoareTripleChecker+Valid, 4613 SdHoareTripleChecker+Invalid, 3922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:33,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7514 Valid, 4613 Invalid, 3922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 3853 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:01:33,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-10-16 04:01:33,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-10-16 04:01:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4237066142763588) internal successors, (2174), 1555 states have internal predecessors, (2174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2174 transitions. [2022-10-16 04:01:33,334 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2174 transitions. Word has length 110 [2022-10-16 04:01:33,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:33,335 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2174 transitions. [2022-10-16 04:01:33,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:33,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2174 transitions. [2022-10-16 04:01:33,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:33,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:33,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:33,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 04:01:33,338 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:33,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:33,339 INFO L85 PathProgramCache]: Analyzing trace with hash -569205108, now seen corresponding path program 1 times [2022-10-16 04:01:33,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:33,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521130567] [2022-10-16 04:01:33,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:33,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:33,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:33,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521130567] [2022-10-16 04:01:33,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521130567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:33,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:33,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:33,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794861885] [2022-10-16 04:01:33,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:33,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:33,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:33,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:33,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:33,719 INFO L87 Difference]: Start difference. First operand 1556 states and 2174 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:36,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:36,375 INFO L93 Difference]: Finished difference Result 2767 states and 3908 transitions. [2022-10-16 04:01:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:36,376 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:36,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:36,380 INFO L225 Difference]: With dead ends: 2767 [2022-10-16 04:01:36,380 INFO L226 Difference]: Without dead ends: 2767 [2022-10-16 04:01:36,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:36,381 INFO L413 NwaCegarLoop]: 1378 mSDtfsCounter, 3479 mSDsluCounter, 3995 mSDsCounter, 0 mSdLazyCounter, 4371 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3479 SdHoareTripleChecker+Valid, 5373 SdHoareTripleChecker+Invalid, 4390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:36,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3479 Valid, 5373 Invalid, 4390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4371 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:01:36,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-10-16 04:01:36,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2022-10-16 04:01:36,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4223968565815324) internal successors, (2172), 1555 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:36,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2172 transitions. [2022-10-16 04:01:36,410 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2172 transitions. Word has length 110 [2022-10-16 04:01:36,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:36,410 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2172 transitions. [2022-10-16 04:01:36,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:36,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2172 transitions. [2022-10-16 04:01:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:36,414 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:36,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:36,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 04:01:36,415 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:36,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:36,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1154108685, now seen corresponding path program 1 times [2022-10-16 04:01:36,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:36,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753143601] [2022-10-16 04:01:36,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:36,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:36,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:36,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753143601] [2022-10-16 04:01:36,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753143601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:36,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:36,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:36,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838283949] [2022-10-16 04:01:36,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:36,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:36,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:36,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:36,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:36,773 INFO L87 Difference]: Start difference. First operand 1556 states and 2172 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:39,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:39,268 INFO L93 Difference]: Finished difference Result 2716 states and 3825 transitions. [2022-10-16 04:01:39,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:39,269 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:39,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:39,273 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:01:39,273 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:01:39,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:39,274 INFO L413 NwaCegarLoop]: 1163 mSDtfsCounter, 3535 mSDsluCounter, 3758 mSDsCounter, 0 mSdLazyCounter, 4079 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3535 SdHoareTripleChecker+Valid, 4921 SdHoareTripleChecker+Invalid, 4139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 4079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:39,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3535 Valid, 4921 Invalid, 4139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 4079 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:01:39,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:01:39,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:01:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4217419777341191) internal successors, (2171), 1555 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2171 transitions. [2022-10-16 04:01:39,302 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2171 transitions. Word has length 110 [2022-10-16 04:01:39,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:39,303 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2171 transitions. [2022-10-16 04:01:39,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2171 transitions. [2022-10-16 04:01:39,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:39,306 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:39,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:39,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 04:01:39,306 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:39,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:39,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1543383125, now seen corresponding path program 1 times [2022-10-16 04:01:39,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:39,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106728288] [2022-10-16 04:01:39,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:39,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:39,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:39,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:39,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106728288] [2022-10-16 04:01:39,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106728288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:39,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:39,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:39,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867885706] [2022-10-16 04:01:39,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:39,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:39,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:39,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:39,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:39,708 INFO L87 Difference]: Start difference. First operand 1556 states and 2171 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:42,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:42,318 INFO L93 Difference]: Finished difference Result 2740 states and 3859 transitions. [2022-10-16 04:01:42,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:42,319 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:42,322 INFO L225 Difference]: With dead ends: 2740 [2022-10-16 04:01:42,322 INFO L226 Difference]: Without dead ends: 2740 [2022-10-16 04:01:42,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:42,323 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 6508 mSDsluCounter, 3991 mSDsCounter, 0 mSdLazyCounter, 4342 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6508 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 4406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 4342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:42,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6508 Valid, 5295 Invalid, 4406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 4342 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:01:42,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-10-16 04:01:42,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-10-16 04:01:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.421087098886706) internal successors, (2170), 1555 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2170 transitions. [2022-10-16 04:01:42,356 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2170 transitions. Word has length 110 [2022-10-16 04:01:42,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:42,356 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2170 transitions. [2022-10-16 04:01:42,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2170 transitions. [2022-10-16 04:01:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:42,359 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:42,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:42,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 04:01:42,360 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:42,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:42,360 INFO L85 PathProgramCache]: Analyzing trace with hash -614432406, now seen corresponding path program 1 times [2022-10-16 04:01:42,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:42,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730994722] [2022-10-16 04:01:42,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:42,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:42,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:42,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:42,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730994722] [2022-10-16 04:01:42,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730994722] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:42,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:42,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:42,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827682629] [2022-10-16 04:01:42,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:42,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:42,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:42,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:42,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:42,713 INFO L87 Difference]: Start difference. First operand 1556 states and 2170 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:44,894 INFO L93 Difference]: Finished difference Result 2668 states and 3736 transitions. [2022-10-16 04:01:44,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:44,895 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:44,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:44,898 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:01:44,898 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:01:44,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:44,899 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 5935 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 3291 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5935 SdHoareTripleChecker+Valid, 3830 SdHoareTripleChecker+Invalid, 3476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 3291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:44,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5935 Valid, 3830 Invalid, 3476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 3291 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 04:01:44,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:01:44,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:01:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4204322200392927) internal successors, (2169), 1555 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2169 transitions. [2022-10-16 04:01:44,926 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2169 transitions. Word has length 110 [2022-10-16 04:01:44,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:44,926 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2169 transitions. [2022-10-16 04:01:44,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2169 transitions. [2022-10-16 04:01:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:44,928 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:44,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:44,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 04:01:44,929 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:44,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:44,929 INFO L85 PathProgramCache]: Analyzing trace with hash -401140471, now seen corresponding path program 1 times [2022-10-16 04:01:44,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:44,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016033] [2022-10-16 04:01:44,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:44,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:45,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:45,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016033] [2022-10-16 04:01:45,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016033] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:45,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:45,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:45,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397399172] [2022-10-16 04:01:45,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:45,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:45,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:45,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:45,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:45,307 INFO L87 Difference]: Start difference. First operand 1556 states and 2169 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:47,828 INFO L93 Difference]: Finished difference Result 2716 states and 3821 transitions. [2022-10-16 04:01:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:47,828 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:47,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:47,833 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:01:47,833 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:01:47,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:47,834 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 4982 mSDsluCounter, 3910 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4982 SdHoareTripleChecker+Valid, 5122 SdHoareTripleChecker+Invalid, 4289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:47,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4982 Valid, 5122 Invalid, 4289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 4202 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:01:47,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:01:47,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:01:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4197773411918795) internal successors, (2168), 1555 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2168 transitions. [2022-10-16 04:01:47,865 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2168 transitions. Word has length 110 [2022-10-16 04:01:47,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:47,865 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2168 transitions. [2022-10-16 04:01:47,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2168 transitions. [2022-10-16 04:01:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:47,868 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:47,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:47,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 04:01:47,869 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:47,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:47,870 INFO L85 PathProgramCache]: Analyzing trace with hash -48350613, now seen corresponding path program 1 times [2022-10-16 04:01:47,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:47,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37150504] [2022-10-16 04:01:47,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:47,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:48,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:48,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37150504] [2022-10-16 04:01:48,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37150504] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:48,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:48,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:48,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246750354] [2022-10-16 04:01:48,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:48,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:48,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:48,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:48,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:48,229 INFO L87 Difference]: Start difference. First operand 1556 states and 2168 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:50,468 INFO L93 Difference]: Finished difference Result 2668 states and 3733 transitions. [2022-10-16 04:01:50,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:50,470 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:50,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:50,474 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:01:50,474 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:01:50,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:50,475 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 3942 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 3333 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3942 SdHoareTripleChecker+Valid, 3892 SdHoareTripleChecker+Invalid, 3452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 3333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:50,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3942 Valid, 3892 Invalid, 3452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 3333 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 04:01:50,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:01:50,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:01:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4191224623444663) internal successors, (2167), 1555 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2167 transitions. [2022-10-16 04:01:50,501 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2167 transitions. Word has length 110 [2022-10-16 04:01:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:50,502 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2167 transitions. [2022-10-16 04:01:50,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2167 transitions. [2022-10-16 04:01:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:50,504 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:50,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:50,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 04:01:50,504 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:50,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:50,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1179488479, now seen corresponding path program 1 times [2022-10-16 04:01:50,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:50,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832312580] [2022-10-16 04:01:50,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:50,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:50,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:50,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832312580] [2022-10-16 04:01:50,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832312580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:50,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:50,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:50,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207244352] [2022-10-16 04:01:50,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:50,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:50,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:50,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:50,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:50,847 INFO L87 Difference]: Start difference. First operand 1556 states and 2167 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:53,443 INFO L93 Difference]: Finished difference Result 2716 states and 3818 transitions. [2022-10-16 04:01:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:53,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:53,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:53,448 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:01:53,449 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:01:53,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:53,449 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 5573 mSDsluCounter, 4062 mSDsCounter, 0 mSdLazyCounter, 4378 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5573 SdHoareTripleChecker+Valid, 5325 SdHoareTripleChecker+Invalid, 4479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 4378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:53,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5573 Valid, 5325 Invalid, 4479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 4378 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:01:53,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:01:53,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:01:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.418467583497053) internal successors, (2166), 1555 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2166 transitions. [2022-10-16 04:01:53,479 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2166 transitions. Word has length 110 [2022-10-16 04:01:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:53,479 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2166 transitions. [2022-10-16 04:01:53,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2166 transitions. [2022-10-16 04:01:53,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:53,482 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:53,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:53,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 04:01:53,483 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:53,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:53,483 INFO L85 PathProgramCache]: Analyzing trace with hash 420514163, now seen corresponding path program 1 times [2022-10-16 04:01:53,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:53,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555398984] [2022-10-16 04:01:53,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:53,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:53,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:53,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555398984] [2022-10-16 04:01:53,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555398984] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:53,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:53,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:53,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259047791] [2022-10-16 04:01:53,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:53,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:53,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:53,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:53,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:53,836 INFO L87 Difference]: Start difference. First operand 1556 states and 2166 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:56,458 INFO L93 Difference]: Finished difference Result 2716 states and 3816 transitions. [2022-10-16 04:01:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:56,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:56,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:56,462 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:01:56,462 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:01:56,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:56,463 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 6425 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 4331 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6425 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 4443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 4331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:56,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6425 Valid, 5278 Invalid, 4443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 4331 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:01:56,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:01:56,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:01:56,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4178127046496398) internal successors, (2165), 1555 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2165 transitions. [2022-10-16 04:01:56,486 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2165 transitions. Word has length 110 [2022-10-16 04:01:56,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:56,486 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2165 transitions. [2022-10-16 04:01:56,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2165 transitions. [2022-10-16 04:01:56,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:01:56,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:56,489 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] [2022-10-16 04:01:56,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 04:01:56,489 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:56,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:56,490 INFO L85 PathProgramCache]: Analyzing trace with hash -853036038, now seen corresponding path program 1 times [2022-10-16 04:01:56,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:56,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556349409] [2022-10-16 04:01:56,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:56,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:56,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:56,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:56,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556349409] [2022-10-16 04:01:56,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556349409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:56,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:56,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:56,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718569471] [2022-10-16 04:01:56,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:56,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:56,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:56,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:56,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:56,857 INFO L87 Difference]: Start difference. First operand 1556 states and 2165 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:59,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:59,418 INFO L93 Difference]: Finished difference Result 2716 states and 3815 transitions. [2022-10-16 04:01:59,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:59,419 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-16 04:01:59,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:59,422 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:01:59,422 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:01:59,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:01:59,423 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 3451 mSDsluCounter, 3899 mSDsCounter, 0 mSdLazyCounter, 4162 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3451 SdHoareTripleChecker+Valid, 5103 SdHoareTripleChecker+Invalid, 4221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 4162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:59,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3451 Valid, 5103 Invalid, 4221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 4162 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:01:59,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:01:59,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:01:59,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4171578258022266) internal successors, (2164), 1555 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:59,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2164 transitions. [2022-10-16 04:01:59,442 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2164 transitions. Word has length 111 [2022-10-16 04:01:59,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:59,443 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2164 transitions. [2022-10-16 04:01:59,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2164 transitions. [2022-10-16 04:01:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:59,445 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:59,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:01:59,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 04:01:59,446 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:01:59,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:59,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1535060563, now seen corresponding path program 1 times [2022-10-16 04:01:59,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:59,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544537546] [2022-10-16 04:01:59,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:59,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:59,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:01:59,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:59,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544537546] [2022-10-16 04:01:59,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544537546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:59,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:59,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:59,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550086273] [2022-10-16 04:01:59,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:59,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:59,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:59,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:59,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:59,869 INFO L87 Difference]: Start difference. First operand 1556 states and 2164 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:02,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:02,762 INFO L93 Difference]: Finished difference Result 2668 states and 3728 transitions. [2022-10-16 04:02:02,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:02,762 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:02,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:02,766 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:02,766 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:02,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:02,767 INFO L413 NwaCegarLoop]: 959 mSDtfsCounter, 6581 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 4216 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6581 SdHoareTripleChecker+Valid, 5009 SdHoareTripleChecker+Invalid, 4401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 4216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:02,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6581 Valid, 5009 Invalid, 4401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 4216 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:02:02,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:02,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:02,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4158480681074002) internal successors, (2162), 1555 states have internal predecessors, (2162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2162 transitions. [2022-10-16 04:02:02,790 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2162 transitions. Word has length 112 [2022-10-16 04:02:02,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:02,791 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2162 transitions. [2022-10-16 04:02:02,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2162 transitions. [2022-10-16 04:02:02,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:02,793 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:02,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:02,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 04:02:02,793 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:02,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash 406857105, now seen corresponding path program 1 times [2022-10-16 04:02:02,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:02,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654626406] [2022-10-16 04:02:02,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:02,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:03,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:03,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654626406] [2022-10-16 04:02:03,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654626406] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:03,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:03,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:03,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862458045] [2022-10-16 04:02:03,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:03,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:03,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:03,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:03,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:03,087 INFO L87 Difference]: Start difference. First operand 1556 states and 2162 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:05,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:05,709 INFO L93 Difference]: Finished difference Result 2716 states and 3807 transitions. [2022-10-16 04:02:05,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:05,710 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:05,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:05,713 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:02:05,713 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:02:05,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:05,715 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 4853 mSDsluCounter, 3984 mSDsCounter, 0 mSdLazyCounter, 4303 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4853 SdHoareTripleChecker+Valid, 5264 SdHoareTripleChecker+Invalid, 4388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:05,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4853 Valid, 5264 Invalid, 4388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4303 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:02:05,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:02:05,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:02:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4145383104125737) internal successors, (2160), 1555 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:05,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2160 transitions. [2022-10-16 04:02:05,734 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2160 transitions. Word has length 112 [2022-10-16 04:02:05,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:05,735 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2160 transitions. [2022-10-16 04:02:05,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:05,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2160 transitions. [2022-10-16 04:02:05,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:05,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:05,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:05,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 04:02:05,737 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:05,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:05,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1318158620, now seen corresponding path program 1 times [2022-10-16 04:02:05,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:05,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513239475] [2022-10-16 04:02:05,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:05,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:06,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:06,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:06,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513239475] [2022-10-16 04:02:06,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513239475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:06,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:06,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:06,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815002220] [2022-10-16 04:02:06,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:06,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:06,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:06,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:06,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:06,089 INFO L87 Difference]: Start difference. First operand 1556 states and 2160 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:08,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:08,654 INFO L93 Difference]: Finished difference Result 2716 states and 3805 transitions. [2022-10-16 04:02:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:08,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:08,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:08,658 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:02:08,658 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:02:08,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:08,659 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 6598 mSDsluCounter, 3859 mSDsCounter, 0 mSdLazyCounter, 4055 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6598 SdHoareTripleChecker+Valid, 5020 SdHoareTripleChecker+Invalid, 4169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 4055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:08,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6598 Valid, 5020 Invalid, 4169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 4055 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:02:08,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:02:08,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:02:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4132285527177473) internal successors, (2158), 1555 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:08,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2158 transitions. [2022-10-16 04:02:08,681 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2158 transitions. Word has length 112 [2022-10-16 04:02:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:08,682 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2158 transitions. [2022-10-16 04:02:08,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2158 transitions. [2022-10-16 04:02:08,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:08,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:08,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:08,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 04:02:08,685 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:08,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:08,686 INFO L85 PathProgramCache]: Analyzing trace with hash -599958592, now seen corresponding path program 1 times [2022-10-16 04:02:08,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:08,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248476136] [2022-10-16 04:02:08,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:08,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:09,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:09,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248476136] [2022-10-16 04:02:09,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248476136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:09,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:09,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:09,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239252112] [2022-10-16 04:02:09,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:09,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:09,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:09,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:09,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:09,118 INFO L87 Difference]: Start difference. First operand 1556 states and 2158 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:12,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:12,185 INFO L93 Difference]: Finished difference Result 2668 states and 3722 transitions. [2022-10-16 04:02:12,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:12,185 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:12,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:12,189 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:12,189 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:12,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:12,190 INFO L413 NwaCegarLoop]: 1000 mSDtfsCounter, 6492 mSDsluCounter, 4176 mSDsCounter, 0 mSdLazyCounter, 4329 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6492 SdHoareTripleChecker+Valid, 5176 SdHoareTripleChecker+Invalid, 4512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 4329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:12,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6492 Valid, 5176 Invalid, 4512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 4329 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:02:12,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:12,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:12,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4119187950229208) internal successors, (2156), 1555 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2156 transitions. [2022-10-16 04:02:12,217 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2156 transitions. Word has length 112 [2022-10-16 04:02:12,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:12,218 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2156 transitions. [2022-10-16 04:02:12,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:12,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2156 transitions. [2022-10-16 04:02:12,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:12,225 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:12,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:12,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 04:02:12,226 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:12,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:12,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1149374714, now seen corresponding path program 1 times [2022-10-16 04:02:12,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:12,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681471970] [2022-10-16 04:02:12,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:12,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:12,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:12,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:12,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681471970] [2022-10-16 04:02:12,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681471970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:12,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:12,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:12,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344463753] [2022-10-16 04:02:12,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:12,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:12,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:12,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:12,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:12,560 INFO L87 Difference]: Start difference. First operand 1556 states and 2156 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:15,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:15,186 INFO L93 Difference]: Finished difference Result 2668 states and 3718 transitions. [2022-10-16 04:02:15,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:15,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:15,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:15,190 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:15,190 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:15,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:15,191 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 5376 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 3756 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5376 SdHoareTripleChecker+Valid, 4409 SdHoareTripleChecker+Invalid, 3927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 3756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:15,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5376 Valid, 4409 Invalid, 3927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 3756 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:02:15,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:15,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4106090373280944) internal successors, (2154), 1555 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2154 transitions. [2022-10-16 04:02:15,216 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2154 transitions. Word has length 112 [2022-10-16 04:02:15,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:15,216 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2154 transitions. [2022-10-16 04:02:15,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:15,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2154 transitions. [2022-10-16 04:02:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:15,219 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:15,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:15,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 04:02:15,220 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:15,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:15,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1717218169, now seen corresponding path program 1 times [2022-10-16 04:02:15,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:15,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404001519] [2022-10-16 04:02:15,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:15,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:15,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:15,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404001519] [2022-10-16 04:02:15,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404001519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:15,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:15,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:15,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919068391] [2022-10-16 04:02:15,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:15,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:15,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:15,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:15,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:15,553 INFO L87 Difference]: Start difference. First operand 1556 states and 2154 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:18,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:18,018 INFO L93 Difference]: Finished difference Result 2668 states and 3716 transitions. [2022-10-16 04:02:18,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:18,019 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:18,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:18,021 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:18,022 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:18,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:18,023 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 5299 mSDsluCounter, 3381 mSDsCounter, 0 mSdLazyCounter, 3779 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5299 SdHoareTripleChecker+Valid, 4432 SdHoareTripleChecker+Invalid, 3949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 3779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:18,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5299 Valid, 4432 Invalid, 3949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 3779 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:02:18,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:18,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:18,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.409299279633268) internal successors, (2152), 1555 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:18,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2152 transitions. [2022-10-16 04:02:18,044 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2152 transitions. Word has length 112 [2022-10-16 04:02:18,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:18,044 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2152 transitions. [2022-10-16 04:02:18,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2152 transitions. [2022-10-16 04:02:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:18,046 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:18,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:18,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 04:02:18,047 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash 608776498, now seen corresponding path program 1 times [2022-10-16 04:02:18,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:18,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998368660] [2022-10-16 04:02:18,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:18,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:18,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:18,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998368660] [2022-10-16 04:02:18,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998368660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:18,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:18,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:18,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182454506] [2022-10-16 04:02:18,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:18,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:18,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:18,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:18,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:18,381 INFO L87 Difference]: Start difference. First operand 1556 states and 2152 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:20,819 INFO L93 Difference]: Finished difference Result 2668 states and 3712 transitions. [2022-10-16 04:02:20,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:20,820 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:20,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:20,823 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:20,824 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:20,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:20,825 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 7136 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 3745 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7136 SdHoareTripleChecker+Valid, 4415 SdHoareTripleChecker+Invalid, 3974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 3745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:20,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7136 Valid, 4415 Invalid, 3974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 3745 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:02:20,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:20,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4079895219384413) internal successors, (2150), 1555 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2150 transitions. [2022-10-16 04:02:20,848 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2150 transitions. Word has length 112 [2022-10-16 04:02:20,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:20,848 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2150 transitions. [2022-10-16 04:02:20,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2150 transitions. [2022-10-16 04:02:20,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:20,850 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:20,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:20,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 04:02:20,850 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:20,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:20,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2052108505, now seen corresponding path program 1 times [2022-10-16 04:02:20,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:20,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926671536] [2022-10-16 04:02:20,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:20,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:21,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:21,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:21,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926671536] [2022-10-16 04:02:21,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926671536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:21,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:21,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:21,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781600622] [2022-10-16 04:02:21,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:21,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:21,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:21,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:21,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:21,269 INFO L87 Difference]: Start difference. First operand 1556 states and 2150 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:23,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:23,755 INFO L93 Difference]: Finished difference Result 2716 states and 3791 transitions. [2022-10-16 04:02:23,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:23,755 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:23,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:23,760 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:02:23,760 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:02:23,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:23,761 INFO L413 NwaCegarLoop]: 1165 mSDtfsCounter, 3528 mSDsluCounter, 3849 mSDsCounter, 0 mSdLazyCounter, 4024 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3528 SdHoareTripleChecker+Valid, 5014 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 4024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:23,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3528 Valid, 5014 Invalid, 4083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 4024 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:02:23,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:02:23,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:02:23,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4066797642436148) internal successors, (2148), 1555 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2148 transitions. [2022-10-16 04:02:23,784 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2148 transitions. Word has length 112 [2022-10-16 04:02:23,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:23,785 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2148 transitions. [2022-10-16 04:02:23,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2148 transitions. [2022-10-16 04:02:23,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:23,787 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:23,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:23,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 04:02:23,788 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:23,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:23,788 INFO L85 PathProgramCache]: Analyzing trace with hash -288079998, now seen corresponding path program 1 times [2022-10-16 04:02:23,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:23,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973950929] [2022-10-16 04:02:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:23,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:24,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:24,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973950929] [2022-10-16 04:02:24,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973950929] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:24,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:24,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:24,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577686041] [2022-10-16 04:02:24,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:24,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:24,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:24,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:24,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:24,201 INFO L87 Difference]: Start difference. First operand 1556 states and 2148 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:27,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:27,373 INFO L93 Difference]: Finished difference Result 2668 states and 3708 transitions. [2022-10-16 04:02:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:27,374 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:27,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:27,376 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:27,376 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:27,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:27,377 INFO L413 NwaCegarLoop]: 1026 mSDtfsCounter, 6433 mSDsluCounter, 4249 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6433 SdHoareTripleChecker+Valid, 5275 SdHoareTripleChecker+Invalid, 4541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:27,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6433 Valid, 5275 Invalid, 4541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 4359 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:02:27,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:27,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4053700065487884) internal successors, (2146), 1555 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2146 transitions. [2022-10-16 04:02:27,395 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2146 transitions. Word has length 112 [2022-10-16 04:02:27,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:27,395 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2146 transitions. [2022-10-16 04:02:27,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2146 transitions. [2022-10-16 04:02:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:27,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:27,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:27,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 04:02:27,397 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:27,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:27,399 INFO L85 PathProgramCache]: Analyzing trace with hash 497655822, now seen corresponding path program 1 times [2022-10-16 04:02:27,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:27,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314478364] [2022-10-16 04:02:27,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:27,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:27,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:27,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314478364] [2022-10-16 04:02:27,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314478364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:27,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:27,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:27,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464867842] [2022-10-16 04:02:27,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:27,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:27,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:27,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:27,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:27,753 INFO L87 Difference]: Start difference. First operand 1556 states and 2146 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:30,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:30,489 INFO L93 Difference]: Finished difference Result 2716 states and 3785 transitions. [2022-10-16 04:02:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:30,490 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:30,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:30,493 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:02:30,493 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:02:30,494 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 04:02:30,495 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 5052 mSDsluCounter, 3921 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5052 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 4288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:30,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5052 Valid, 5201 Invalid, 4288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 4202 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:02:30,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:02:30,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:02:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.404060248853962) internal successors, (2144), 1555 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2144 transitions. [2022-10-16 04:02:30,519 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2144 transitions. Word has length 112 [2022-10-16 04:02:30,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:30,519 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2144 transitions. [2022-10-16 04:02:30,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2144 transitions. [2022-10-16 04:02:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:30,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:30,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:30,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 04:02:30,521 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:30,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:30,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2033282967, now seen corresponding path program 1 times [2022-10-16 04:02:30,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:30,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813408166] [2022-10-16 04:02:30,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:30,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:30,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:30,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813408166] [2022-10-16 04:02:30,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813408166] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:30,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:30,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:30,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322414184] [2022-10-16 04:02:30,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:30,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:30,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:30,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:30,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:30,921 INFO L87 Difference]: Start difference. First operand 1556 states and 2144 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:33,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:33,984 INFO L93 Difference]: Finished difference Result 2668 states and 3704 transitions. [2022-10-16 04:02:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:33,985 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:33,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:33,988 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:33,988 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:33,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:33,989 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 6382 mSDsluCounter, 4327 mSDsCounter, 0 mSdLazyCounter, 4415 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6382 SdHoareTripleChecker+Valid, 5379 SdHoareTripleChecker+Invalid, 4596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 4415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:33,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6382 Valid, 5379 Invalid, 4596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 4415 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:02:33,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:34,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4027504911591355) internal successors, (2142), 1555 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:34,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2142 transitions. [2022-10-16 04:02:34,012 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2142 transitions. Word has length 112 [2022-10-16 04:02:34,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:34,013 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2142 transitions. [2022-10-16 04:02:34,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:34,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2142 transitions. [2022-10-16 04:02:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:34,014 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:34,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:34,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 04:02:34,015 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:34,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:34,016 INFO L85 PathProgramCache]: Analyzing trace with hash 763145981, now seen corresponding path program 1 times [2022-10-16 04:02:34,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:34,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488918477] [2022-10-16 04:02:34,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:34,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:34,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:34,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488918477] [2022-10-16 04:02:34,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488918477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:34,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:34,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:34,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134100836] [2022-10-16 04:02:34,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:34,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:34,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:34,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:34,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:34,427 INFO L87 Difference]: Start difference. First operand 1556 states and 2142 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:37,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:37,567 INFO L93 Difference]: Finished difference Result 2668 states and 3702 transitions. [2022-10-16 04:02:37,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:37,567 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:37,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:37,569 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:37,569 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:37,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:37,570 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 6373 mSDsluCounter, 4331 mSDsCounter, 0 mSdLazyCounter, 4413 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6373 SdHoareTripleChecker+Valid, 5383 SdHoareTripleChecker+Invalid, 4594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 4413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:37,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6373 Valid, 5383 Invalid, 4594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 4413 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:02:37,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:37,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.401440733464309) internal successors, (2140), 1555 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2140 transitions. [2022-10-16 04:02:37,591 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2140 transitions. Word has length 112 [2022-10-16 04:02:37,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:37,591 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2140 transitions. [2022-10-16 04:02:37,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2140 transitions. [2022-10-16 04:02:37,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:37,593 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:37,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:37,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 04:02:37,593 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:37,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:37,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2116610630, now seen corresponding path program 1 times [2022-10-16 04:02:37,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:37,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243016046] [2022-10-16 04:02:37,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:37,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:37,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:37,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243016046] [2022-10-16 04:02:37,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243016046] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:37,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:37,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:37,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887844218] [2022-10-16 04:02:37,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:37,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:37,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:37,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:37,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:37,844 INFO L87 Difference]: Start difference. First operand 1556 states and 2140 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:40,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:40,847 INFO L93 Difference]: Finished difference Result 2716 states and 3777 transitions. [2022-10-16 04:02:40,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:40,847 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:40,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:40,852 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:02:40,852 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:02:40,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:40,855 INFO L413 NwaCegarLoop]: 1259 mSDtfsCounter, 3315 mSDsluCounter, 4044 mSDsCounter, 0 mSdLazyCounter, 4285 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3315 SdHoareTripleChecker+Valid, 5303 SdHoareTripleChecker+Invalid, 4342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 4285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:40,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3315 Valid, 5303 Invalid, 4342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 4285 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 04:02:40,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:02:40,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:02:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4001309757694826) internal successors, (2138), 1555 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2138 transitions. [2022-10-16 04:02:40,886 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2138 transitions. Word has length 112 [2022-10-16 04:02:40,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:40,887 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2138 transitions. [2022-10-16 04:02:40,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2138 transitions. [2022-10-16 04:02:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:40,889 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:40,889 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:40,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 04:02:40,890 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:40,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:40,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1566983834, now seen corresponding path program 1 times [2022-10-16 04:02:40,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:40,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099543721] [2022-10-16 04:02:40,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:40,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:41,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:41,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099543721] [2022-10-16 04:02:41,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099543721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:41,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:41,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:41,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565111737] [2022-10-16 04:02:41,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:41,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:41,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:41,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:41,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:41,207 INFO L87 Difference]: Start difference. First operand 1556 states and 2138 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:44,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:44,090 INFO L93 Difference]: Finished difference Result 2716 states and 3775 transitions. [2022-10-16 04:02:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:44,091 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:44,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:44,095 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:02:44,095 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:02:44,095 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 04:02:44,096 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 3406 mSDsluCounter, 3921 mSDsCounter, 0 mSdLazyCounter, 4177 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3406 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 4235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 4177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:44,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3406 Valid, 5201 Invalid, 4235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 4177 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 04:02:44,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:02:44,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:02:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3994760969220694) internal successors, (2137), 1555 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:44,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2137 transitions. [2022-10-16 04:02:44,119 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2137 transitions. Word has length 112 [2022-10-16 04:02:44,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:44,119 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2137 transitions. [2022-10-16 04:02:44,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:44,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2137 transitions. [2022-10-16 04:02:44,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:44,121 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:44,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:44,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 04:02:44,122 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:44,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:44,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1792635559, now seen corresponding path program 1 times [2022-10-16 04:02:44,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:44,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230882372] [2022-10-16 04:02:44,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:44,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:44,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:44,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230882372] [2022-10-16 04:02:44,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230882372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:44,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:44,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:44,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293181404] [2022-10-16 04:02:44,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:44,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:44,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:44,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:44,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:44,413 INFO L87 Difference]: Start difference. First operand 1556 states and 2137 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:47,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:47,014 INFO L93 Difference]: Finished difference Result 2668 states and 3698 transitions. [2022-10-16 04:02:47,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:47,015 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:47,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:47,018 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:47,018 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:47,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:47,019 INFO L413 NwaCegarLoop]: 1144 mSDtfsCounter, 3458 mSDsluCounter, 3655 mSDsCounter, 0 mSdLazyCounter, 3982 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3458 SdHoareTripleChecker+Valid, 4799 SdHoareTripleChecker+Invalid, 4090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:47,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3458 Valid, 4799 Invalid, 4090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3982 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:02:47,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:47,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:47,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3988212180746562) internal successors, (2136), 1555 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2136 transitions. [2022-10-16 04:02:47,039 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2136 transitions. Word has length 112 [2022-10-16 04:02:47,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:47,039 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2136 transitions. [2022-10-16 04:02:47,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:47,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2136 transitions. [2022-10-16 04:02:47,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:47,041 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:47,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:47,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 04:02:47,041 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:47,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:47,041 INFO L85 PathProgramCache]: Analyzing trace with hash -433532306, now seen corresponding path program 1 times [2022-10-16 04:02:47,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:47,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142345264] [2022-10-16 04:02:47,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:47,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:47,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:47,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142345264] [2022-10-16 04:02:47,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142345264] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:47,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:47,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:47,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854022613] [2022-10-16 04:02:47,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:47,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:47,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:47,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:47,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:47,398 INFO L87 Difference]: Start difference. First operand 1556 states and 2136 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:50,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:50,105 INFO L93 Difference]: Finished difference Result 2668 states and 3696 transitions. [2022-10-16 04:02:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:50,106 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:50,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:50,110 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:50,110 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:50,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:50,111 INFO L413 NwaCegarLoop]: 1165 mSDtfsCounter, 6631 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 3952 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6631 SdHoareTripleChecker+Valid, 4793 SdHoareTripleChecker+Invalid, 4169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 3952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:50,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6631 Valid, 4793 Invalid, 4169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 3952 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:02:50,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:50,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.398166339227243) internal successors, (2135), 1555 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2135 transitions. [2022-10-16 04:02:50,134 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2135 transitions. Word has length 112 [2022-10-16 04:02:50,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:50,134 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2135 transitions. [2022-10-16 04:02:50,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:50,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2135 transitions. [2022-10-16 04:02:50,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:50,136 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:50,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:50,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 04:02:50,136 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:50,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash 161225916, now seen corresponding path program 1 times [2022-10-16 04:02:50,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:50,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548627784] [2022-10-16 04:02:50,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:50,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:50,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:50,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548627784] [2022-10-16 04:02:50,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548627784] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:50,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:50,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:50,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877397065] [2022-10-16 04:02:50,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:50,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:50,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:50,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:50,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:50,518 INFO L87 Difference]: Start difference. First operand 1556 states and 2135 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:53,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:53,625 INFO L93 Difference]: Finished difference Result 2668 states and 3695 transitions. [2022-10-16 04:02:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:53,625 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:53,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:53,629 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:53,629 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:53,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:53,630 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 6276 mSDsluCounter, 4466 mSDsCounter, 0 mSdLazyCounter, 4506 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6276 SdHoareTripleChecker+Valid, 5563 SdHoareTripleChecker+Invalid, 4685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:53,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6276 Valid, 5563 Invalid, 4685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4506 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:02:53,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:53,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3975114603798298) internal successors, (2134), 1555 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2134 transitions. [2022-10-16 04:02:53,654 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2134 transitions. Word has length 112 [2022-10-16 04:02:53,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:53,654 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2134 transitions. [2022-10-16 04:02:53,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2134 transitions. [2022-10-16 04:02:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:53,656 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:53,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:53,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 04:02:53,657 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:53,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:53,657 INFO L85 PathProgramCache]: Analyzing trace with hash -898327691, now seen corresponding path program 1 times [2022-10-16 04:02:53,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:53,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859948322] [2022-10-16 04:02:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:53,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:53,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:53,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859948322] [2022-10-16 04:02:53,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859948322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:53,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:53,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:53,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031180060] [2022-10-16 04:02:53,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:53,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:53,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:53,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:53,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:53,970 INFO L87 Difference]: Start difference. First operand 1556 states and 2134 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:57,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:57,037 INFO L93 Difference]: Finished difference Result 2668 states and 3694 transitions. [2022-10-16 04:02:57,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:57,037 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:02:57,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:57,041 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:02:57,041 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:02:57,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:02:57,042 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 6272 mSDsluCounter, 4466 mSDsCounter, 0 mSdLazyCounter, 4502 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6272 SdHoareTripleChecker+Valid, 5563 SdHoareTripleChecker+Invalid, 4681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:57,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6272 Valid, 5563 Invalid, 4681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4502 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:02:57,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:02:57,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:02:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3968565815324165) internal successors, (2133), 1555 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:57,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2133 transitions. [2022-10-16 04:02:57,068 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2133 transitions. Word has length 112 [2022-10-16 04:02:57,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:57,068 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2133 transitions. [2022-10-16 04:02:57,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2133 transitions. [2022-10-16 04:02:57,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:02:57,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:57,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:02:57,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 04:02:57,070 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:02:57,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:57,071 INFO L85 PathProgramCache]: Analyzing trace with hash -2106646961, now seen corresponding path program 1 times [2022-10-16 04:02:57,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:57,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667017803] [2022-10-16 04:02:57,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:57,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:02:57,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:57,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667017803] [2022-10-16 04:02:57,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667017803] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:57,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:57,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:02:57,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390917528] [2022-10-16 04:02:57,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:57,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:02:57,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:57,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:02:57,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:02:57,441 INFO L87 Difference]: Start difference. First operand 1556 states and 2133 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:00,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:00,057 INFO L93 Difference]: Finished difference Result 2716 states and 3767 transitions. [2022-10-16 04:03:00,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:00,057 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:03:00,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:00,061 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:03:00,061 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:03:00,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:00,062 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 4793 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 4204 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4793 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 4289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:00,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4793 Valid, 5278 Invalid, 4289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4204 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:03:00,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:03:00,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:03:00,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3962017026850033) internal successors, (2132), 1555 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:00,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2132 transitions. [2022-10-16 04:03:00,081 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2132 transitions. Word has length 112 [2022-10-16 04:03:00,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:00,081 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2132 transitions. [2022-10-16 04:03:00,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:00,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2132 transitions. [2022-10-16 04:03:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:03:00,083 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:00,083 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:00,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 04:03:00,083 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:00,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:00,083 INFO L85 PathProgramCache]: Analyzing trace with hash -386581842, now seen corresponding path program 1 times [2022-10-16 04:03:00,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:00,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434575375] [2022-10-16 04:03:00,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:00,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:00,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:00,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434575375] [2022-10-16 04:03:00,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434575375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:00,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:00,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:00,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551369470] [2022-10-16 04:03:00,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:00,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:00,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:00,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:00,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:00,354 INFO L87 Difference]: Start difference. First operand 1556 states and 2132 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:02,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:02,967 INFO L93 Difference]: Finished difference Result 2668 states and 3691 transitions. [2022-10-16 04:03:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:02,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:03:02,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:02,970 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:03:02,970 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:03:02,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:02,971 INFO L413 NwaCegarLoop]: 1184 mSDtfsCounter, 4945 mSDsluCounter, 3693 mSDsCounter, 0 mSdLazyCounter, 3990 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4945 SdHoareTripleChecker+Valid, 4877 SdHoareTripleChecker+Invalid, 4151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 3990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:02,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4945 Valid, 4877 Invalid, 4151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 3990 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:03:02,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:03:02,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:03:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.39554682383759) internal successors, (2131), 1555 states have internal predecessors, (2131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2131 transitions. [2022-10-16 04:03:02,988 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2131 transitions. Word has length 112 [2022-10-16 04:03:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:02,988 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2131 transitions. [2022-10-16 04:03:02,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2131 transitions. [2022-10-16 04:03:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:03:02,989 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:02,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:02,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 04:03:02,990 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:02,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:02,990 INFO L85 PathProgramCache]: Analyzing trace with hash 731901040, now seen corresponding path program 1 times [2022-10-16 04:03:02,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:02,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156891751] [2022-10-16 04:03:02,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:03,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:03,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156891751] [2022-10-16 04:03:03,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156891751] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:03,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:03,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:03,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761708673] [2022-10-16 04:03:03,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:03,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:03,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:03,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:03,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:03,301 INFO L87 Difference]: Start difference. First operand 1556 states and 2131 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:05,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:05,775 INFO L93 Difference]: Finished difference Result 2716 states and 3764 transitions. [2022-10-16 04:03:05,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:05,776 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:03:05,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:05,779 INFO L225 Difference]: With dead ends: 2716 [2022-10-16 04:03:05,780 INFO L226 Difference]: Without dead ends: 2716 [2022-10-16 04:03:05,780 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 04:03:05,780 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 5011 mSDsluCounter, 3945 mSDsCounter, 0 mSdLazyCounter, 4131 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5011 SdHoareTripleChecker+Valid, 5225 SdHoareTripleChecker+Invalid, 4217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 4131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:05,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5011 Valid, 5225 Invalid, 4217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 4131 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 04:03:05,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-10-16 04:03:05,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-10-16 04:03:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3948919449901769) internal successors, (2130), 1555 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2130 transitions. [2022-10-16 04:03:05,801 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2130 transitions. Word has length 112 [2022-10-16 04:03:05,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:05,801 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2130 transitions. [2022-10-16 04:03:05,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2130 transitions. [2022-10-16 04:03:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:03:05,803 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:05,803 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:05,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 04:03:05,803 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:05,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:05,804 INFO L85 PathProgramCache]: Analyzing trace with hash 699413483, now seen corresponding path program 1 times [2022-10-16 04:03:05,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:05,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880796627] [2022-10-16 04:03:05,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:05,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:06,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:06,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880796627] [2022-10-16 04:03:06,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880796627] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:06,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:06,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:06,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169315619] [2022-10-16 04:03:06,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:06,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:06,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:06,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:06,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:06,135 INFO L87 Difference]: Start difference. First operand 1556 states and 2130 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:09,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:09,272 INFO L93 Difference]: Finished difference Result 2668 states and 3689 transitions. [2022-10-16 04:03:09,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:09,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:03:09,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:09,276 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:03:09,276 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:03:09,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:09,277 INFO L413 NwaCegarLoop]: 1188 mSDtfsCounter, 6093 mSDsluCounter, 4738 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6093 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 4943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 4768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:09,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6093 Valid, 5926 Invalid, 4943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 4768 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:03:09,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:03:09,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:03:09,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3942370661427637) internal successors, (2129), 1555 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2129 transitions. [2022-10-16 04:03:09,295 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2129 transitions. Word has length 112 [2022-10-16 04:03:09,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:09,295 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2129 transitions. [2022-10-16 04:03:09,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2129 transitions. [2022-10-16 04:03:09,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:03:09,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:09,296 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:09,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 04:03:09,297 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:09,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:09,297 INFO L85 PathProgramCache]: Analyzing trace with hash -70692188, now seen corresponding path program 1 times [2022-10-16 04:03:09,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:09,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164198443] [2022-10-16 04:03:09,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:09,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:09,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:09,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164198443] [2022-10-16 04:03:09,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164198443] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:09,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:09,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:09,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699123284] [2022-10-16 04:03:09,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:09,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:09,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:09,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:09,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:09,541 INFO L87 Difference]: Start difference. First operand 1556 states and 2129 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:12,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:12,213 INFO L93 Difference]: Finished difference Result 2668 states and 3687 transitions. [2022-10-16 04:03:12,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:12,213 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:03:12,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:12,217 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:03:12,217 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:03:12,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:12,220 INFO L413 NwaCegarLoop]: 1252 mSDtfsCounter, 4678 mSDsluCounter, 3897 mSDsCounter, 0 mSdLazyCounter, 4219 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4678 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 4375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 4219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:12,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4678 Valid, 5149 Invalid, 4375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 4219 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 04:03:12,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:03:12,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:03:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3935821872953504) internal successors, (2128), 1555 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:12,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2128 transitions. [2022-10-16 04:03:12,241 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2128 transitions. Word has length 112 [2022-10-16 04:03:12,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:12,241 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2128 transitions. [2022-10-16 04:03:12,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2128 transitions. [2022-10-16 04:03:12,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:03:12,243 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:12,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:03:12,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 04:03:12,243 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:12,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:12,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1966983208, now seen corresponding path program 1 times [2022-10-16 04:03:12,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:12,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832923921] [2022-10-16 04:03:12,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:12,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:12,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:12,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:12,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832923921] [2022-10-16 04:03:12,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832923921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:12,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:12,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:12,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066025715] [2022-10-16 04:03:12,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:12,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:12,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:12,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:12,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:12,520 INFO L87 Difference]: Start difference. First operand 1556 states and 2128 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:15,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:15,063 INFO L93 Difference]: Finished difference Result 2668 states and 3685 transitions. [2022-10-16 04:03:15,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:15,064 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:03:15,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:15,067 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:03:15,067 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:03:15,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:15,068 INFO L413 NwaCegarLoop]: 1201 mSDtfsCounter, 3338 mSDsluCounter, 3746 mSDsCounter, 0 mSdLazyCounter, 4021 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 4947 SdHoareTripleChecker+Invalid, 4127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 4021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:15,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 4947 Invalid, 4127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 4021 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 04:03:15,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:03:15,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:03:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3929273084479372) internal successors, (2127), 1555 states have internal predecessors, (2127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2127 transitions. [2022-10-16 04:03:15,088 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2127 transitions. Word has length 112 [2022-10-16 04:03:15,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:15,089 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2127 transitions. [2022-10-16 04:03:15,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2127 transitions. [2022-10-16 04:03:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 04:03:15,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:15,091 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] [2022-10-16 04:03:15,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 04:03:15,091 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:15,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:15,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1604204881, now seen corresponding path program 1 times [2022-10-16 04:03:15,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:15,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409252149] [2022-10-16 04:03:15,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:15,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:15,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:15,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409252149] [2022-10-16 04:03:15,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409252149] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:15,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:15,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:15,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569887648] [2022-10-16 04:03:15,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:15,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:15,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:15,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:15,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:15,439 INFO L87 Difference]: Start difference. First operand 1556 states and 2127 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:18,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:18,410 INFO L93 Difference]: Finished difference Result 2668 states and 3683 transitions. [2022-10-16 04:03:18,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:18,411 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 04:03:18,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:18,413 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:03:18,413 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:03:18,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:18,414 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 6177 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 4569 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6177 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 4746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:18,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6177 Valid, 5708 Invalid, 4746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4569 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 04:03:18,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:03:18,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:03:18,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3916175507531108) internal successors, (2125), 1555 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2125 transitions. [2022-10-16 04:03:18,435 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2125 transitions. Word has length 113 [2022-10-16 04:03:18,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:18,435 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2125 transitions. [2022-10-16 04:03:18,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:18,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2125 transitions. [2022-10-16 04:03:18,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 04:03:18,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:18,437 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] [2022-10-16 04:03:18,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 04:03:18,437 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:18,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:18,437 INFO L85 PathProgramCache]: Analyzing trace with hash -445136554, now seen corresponding path program 1 times [2022-10-16 04:03:18,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:18,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620900898] [2022-10-16 04:03:18,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:18,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:18,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:18,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620900898] [2022-10-16 04:03:18,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620900898] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:18,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:18,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:18,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527378839] [2022-10-16 04:03:18,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:18,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:18,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:18,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:18,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:18,745 INFO L87 Difference]: Start difference. First operand 1556 states and 2125 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:21,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:21,710 INFO L93 Difference]: Finished difference Result 2668 states and 3682 transitions. [2022-10-16 04:03:21,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:21,710 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 04:03:21,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:21,713 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:03:21,714 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:03:21,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:21,715 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 6172 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 4566 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6172 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 4743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:21,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6172 Valid, 5708 Invalid, 4743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4566 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 04:03:21,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:03:21,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:03:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3909626719056976) internal successors, (2124), 1555 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2124 transitions. [2022-10-16 04:03:21,734 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2124 transitions. Word has length 113 [2022-10-16 04:03:21,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:21,735 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2124 transitions. [2022-10-16 04:03:21,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2124 transitions. [2022-10-16 04:03:21,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 04:03:21,736 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:21,736 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] [2022-10-16 04:03:21,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 04:03:21,737 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:21,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:21,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1804423120, now seen corresponding path program 1 times [2022-10-16 04:03:21,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:21,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53542243] [2022-10-16 04:03:21,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:21,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:22,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:22,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53542243] [2022-10-16 04:03:22,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53542243] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:22,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:22,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:22,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594566225] [2022-10-16 04:03:22,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:22,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:22,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:22,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:22,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:22,084 INFO L87 Difference]: Start difference. First operand 1556 states and 2124 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:25,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:25,073 INFO L93 Difference]: Finished difference Result 2668 states and 3681 transitions. [2022-10-16 04:03:25,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:25,074 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 04:03:25,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:25,077 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:03:25,078 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:03:25,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:25,078 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 6169 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 4561 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6169 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 4738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:25,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6169 Valid, 5708 Invalid, 4738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4561 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 04:03:25,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:03:25,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:03:25,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3903077930582841) internal successors, (2123), 1555 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2123 transitions. [2022-10-16 04:03:25,096 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2123 transitions. Word has length 113 [2022-10-16 04:03:25,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:25,096 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2123 transitions. [2022-10-16 04:03:25,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2123 transitions. [2022-10-16 04:03:25,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 04:03:25,097 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:25,097 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] [2022-10-16 04:03:25,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-10-16 04:03:25,098 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:25,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:25,098 INFO L85 PathProgramCache]: Analyzing trace with hash 594542364, now seen corresponding path program 1 times [2022-10-16 04:03:25,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:25,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395706796] [2022-10-16 04:03:25,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:25,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:25,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:25,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395706796] [2022-10-16 04:03:25,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395706796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:25,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:25,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:03:25,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016342573] [2022-10-16 04:03:25,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:25,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:03:25,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:25,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:03:25,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:03:25,433 INFO L87 Difference]: Start difference. First operand 1556 states and 2123 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:28,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:28,488 INFO L93 Difference]: Finished difference Result 2668 states and 3680 transitions. [2022-10-16 04:03:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:03:28,488 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 04:03:28,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:28,491 INFO L225 Difference]: With dead ends: 2668 [2022-10-16 04:03:28,491 INFO L226 Difference]: Without dead ends: 2668 [2022-10-16 04:03:28,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:03:28,492 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 6056 mSDsluCounter, 4774 mSDsCounter, 0 mSdLazyCounter, 4732 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6056 SdHoareTripleChecker+Valid, 5974 SdHoareTripleChecker+Invalid, 4907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 4732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:28,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6056 Valid, 5974 Invalid, 4907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 4732 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 04:03:28,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-10-16 04:03:28,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-10-16 04:03:28,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.389652914210871) internal successors, (2122), 1555 states have internal predecessors, (2122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:28,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2122 transitions. [2022-10-16 04:03:28,509 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2122 transitions. Word has length 113 [2022-10-16 04:03:28,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:28,510 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2122 transitions. [2022-10-16 04:03:28,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2122 transitions. [2022-10-16 04:03:28,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 04:03:28,511 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:28,511 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] [2022-10-16 04:03:28,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 04:03:28,512 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-16 04:03:28,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:28,512 INFO L85 PathProgramCache]: Analyzing trace with hash -586781953, now seen corresponding path program 1 times [2022-10-16 04:03:28,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:28,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184286117] [2022-10-16 04:03:28,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:28,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms