/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-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:35:44,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:35:44,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:35:44,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 16:35:44,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:35:44,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:35:44,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:35:44,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:35:44,999 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:35:44,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:35:45,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:35:45,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:35:45,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:35:45,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:35:45,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:35:45,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:35:45,005 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:35:45,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:35:45,006 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:35:45,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:35:45,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:35:45,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:35:45,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:35:45,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:35:45,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:35:45,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:35:45,008 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:35:45,008 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:35:45,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:35:45,008 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:35:45,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:35:45,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:35:45,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:35:45,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:35:45,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:35:45,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:35:45,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:35:45,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:35:45,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:35:45,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:35:45,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:35:45,011 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:35:45,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:35:45,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:35:45,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:35:45,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:35:45,443 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:35:45,444 INFO L432 ainManager$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+lhb-reducer.c [2022-10-16 16:35:45,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/456c4f82f/69ebe2dc07624c819c4b795d0d1c51ab/FLAG2da2c6fbd [2022-10-16 16:35:46,665 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:35:46,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:35:46,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/456c4f82f/69ebe2dc07624c819c4b795d0d1c51ab/FLAG2da2c6fbd [2022-10-16 16:35:46,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/456c4f82f/69ebe2dc07624c819c4b795d0d1c51ab [2022-10-16 16:35:46,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:35:46,994 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:35:46,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:35:46,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:35:47,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:35:47,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:35:46" (1/1) ... [2022-10-16 16:35:47,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c8e9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:47, skipping insertion in model container [2022-10-16 16:35:47,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:35:46" (1/1) ... [2022-10-16 16:35:47,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:35:47,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:35:47,852 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+lhb-reducer.c[16849,16862] [2022-10-16 16:35:47,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21942,21955] [2022-10-16 16:35:47,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23299,23312] [2022-10-16 16:35:47,912 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+lhb-reducer.c[24107,24120] [2022-10-16 16:35:47,943 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+lhb-reducer.c[25792,25805] [2022-10-16 16:35:47,963 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+lhb-reducer.c[26600,26613] [2022-10-16 16:35:47,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27736,27749] [2022-10-16 16:35:48,015 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+lhb-reducer.c[30390,30403] [2022-10-16 16:35:48,023 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+lhb-reducer.c[31201,31214] [2022-10-16 16:35:48,033 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+lhb-reducer.c[32340,32353] [2022-10-16 16:35:48,048 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+lhb-reducer.c[34445,34458] [2022-10-16 16:35:48,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38533,38546] [2022-10-16 16:35:48,082 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+lhb-reducer.c[39344,39357] [2022-10-16 16:35:48,091 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+lhb-reducer.c[40483,40496] [2022-10-16 16:35:48,106 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+lhb-reducer.c[42588,42601] [2022-10-16 16:35:48,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46127,46140] [2022-10-16 16:35:48,164 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+lhb-reducer.c[52573,52586] [2022-10-16 16:35:48,171 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+lhb-reducer.c[53384,53397] [2022-10-16 16:35:48,180 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+lhb-reducer.c[54527,54540] [2022-10-16 16:35:48,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[56636,56649] [2022-10-16 16:35:48,217 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+lhb-reducer.c[60424,60437] [2022-10-16 16:35:48,274 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+lhb-reducer.c[67072,67085] [2022-10-16 16:35:48,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[79206,79219] [2022-10-16 16:35:48,361 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+lhb-reducer.c[80017,80030] [2022-10-16 16:35:48,373 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+lhb-reducer.c[81156,81169] [2022-10-16 16:35:48,393 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+lhb-reducer.c[83261,83274] [2022-10-16 16:35:48,433 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+lhb-reducer.c[86800,86813] [2022-10-16 16:35:48,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92697,92710] [2022-10-16 16:35:48,537 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+lhb-reducer.c[102772,102785] [2022-10-16 16:35:49,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:35:49,458 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:35:49,586 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+lhb-reducer.c[16849,16862] [2022-10-16 16:35:49,630 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+lhb-reducer.c[21942,21955] [2022-10-16 16:35:49,641 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+lhb-reducer.c[23299,23312] [2022-10-16 16:35:49,647 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+lhb-reducer.c[24107,24120] [2022-10-16 16:35:49,656 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+lhb-reducer.c[25792,25805] [2022-10-16 16:35:49,661 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+lhb-reducer.c[26600,26613] [2022-10-16 16:35:49,668 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+lhb-reducer.c[27736,27749] [2022-10-16 16:35:49,681 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+lhb-reducer.c[30390,30403] [2022-10-16 16:35:49,686 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+lhb-reducer.c[31201,31214] [2022-10-16 16:35:49,693 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+lhb-reducer.c[32340,32353] [2022-10-16 16:35:49,705 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+lhb-reducer.c[34445,34458] [2022-10-16 16:35:49,723 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+lhb-reducer.c[38533,38546] [2022-10-16 16:35:49,730 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+lhb-reducer.c[39344,39357] [2022-10-16 16:35:49,736 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+lhb-reducer.c[40483,40496] [2022-10-16 16:35:49,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[42588,42601] [2022-10-16 16:35:49,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46127,46140] [2022-10-16 16:35:49,789 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+lhb-reducer.c[52573,52586] [2022-10-16 16:35:49,794 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+lhb-reducer.c[53384,53397] [2022-10-16 16:35:49,801 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+lhb-reducer.c[54527,54540] [2022-10-16 16:35:49,811 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+lhb-reducer.c[56636,56649] [2022-10-16 16:35:49,829 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+lhb-reducer.c[60424,60437] [2022-10-16 16:35:49,859 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+lhb-reducer.c[67072,67085] [2022-10-16 16:35:49,908 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+lhb-reducer.c[79206,79219] [2022-10-16 16:35:49,914 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+lhb-reducer.c[80017,80030] [2022-10-16 16:35:49,920 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+lhb-reducer.c[81156,81169] [2022-10-16 16:35:49,930 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+lhb-reducer.c[83261,83274] [2022-10-16 16:35:49,946 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+lhb-reducer.c[86800,86813] [2022-10-16 16:35:49,970 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+lhb-reducer.c[92697,92710] [2022-10-16 16:35:50,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[102772,102785] [2022-10-16 16:35:50,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:35:50,751 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:35:50,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50 WrapperNode [2022-10-16 16:35:50,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:35:50,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:35:50,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:35:50,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:35:50,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:50,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:51,275 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16063 [2022-10-16 16:35:51,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:35:51,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:35:51,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:35:51,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:35:51,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:51,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:51,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:51,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:51,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:51,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:51,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:51,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:51,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:35:51,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:35:51,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:35:51,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:35:51,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (1/1) ... [2022-10-16 16:35:51,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:35:51,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:35:51,918 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 16:35:51,943 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 16:35:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:35:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:35:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:35:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:35:52,466 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:35:52,468 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:36:04,197 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:36:04,281 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:36:04,282 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:36:04,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:36:04 BoogieIcfgContainer [2022-10-16 16:36:04,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:36:04,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:36:04,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:36:04,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:36:04,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:35:46" (1/3) ... [2022-10-16 16:36:04,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2671cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:36:04, skipping insertion in model container [2022-10-16 16:36:04,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:50" (2/3) ... [2022-10-16 16:36:04,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2671cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:36:04, skipping insertion in model container [2022-10-16 16:36:04,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:36:04" (3/3) ... [2022-10-16 16:36:04,311 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:36:04,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:36:04,334 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3976 error locations. [2022-10-16 16:36:04,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:36:04,576 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@81d26ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:36:04,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3976 error locations. [2022-10-16 16:36:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 9957 states, 5980 states have (on average 1.9551839464882943) internal successors, (11692), 9956 states have internal predecessors, (11692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:04,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:36:04,627 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:04,628 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] [2022-10-16 16:36:04,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3952ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:36:04,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:04,635 INFO L85 PathProgramCache]: Analyzing trace with hash 298875090, now seen corresponding path program 1 times [2022-10-16 16:36:04,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:04,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881582246] [2022-10-16 16:36:04,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:04,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:05,407 INFO 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 16:36:05,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:05,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881582246] [2022-10-16 16:36:05,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881582246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:05,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:05,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:05,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308168907] [2022-10-16 16:36:05,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:05,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:36:05,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:05,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:36:05,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:05,474 INFO L87 Difference]: Start difference. First operand has 9957 states, 5980 states have (on average 1.9551839464882943) internal successors, (11692), 9956 states have internal predecessors, (11692), 0 states have call successors, (0), 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 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:14,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:14,922 INFO L93 Difference]: Finished difference Result 10273 states and 12110 transitions. [2022-10-16 16:36:14,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:14,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-16 16:36:14,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:14,998 INFO L225 Difference]: With dead ends: 10273 [2022-10-16 16:36:14,999 INFO L226 Difference]: Without dead ends: 9940 [2022-10-16 16:36:15,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:15,014 INFO L413 NwaCegarLoop]: 3679 mSDtfsCounter, 19582 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 9559 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19582 SdHoareTripleChecker+Valid, 5601 SdHoareTripleChecker+Invalid, 9897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 9559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:15,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19582 Valid, 5601 Invalid, 9897 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [338 Valid, 9559 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-10-16 16:36:15,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9940 states. [2022-10-16 16:36:15,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9940 to 9755. [2022-10-16 16:36:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9755 states, 6071 states have (on average 1.7091088782737605) internal successors, (10376), 9754 states have internal predecessors, (10376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9755 states to 9755 states and 10376 transitions. [2022-10-16 16:36:15,391 INFO L78 Accepts]: Start accepts. Automaton has 9755 states and 10376 transitions. Word has length 68 [2022-10-16 16:36:15,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:15,395 INFO L495 AbstractCegarLoop]: Abstraction has 9755 states and 10376 transitions. [2022-10-16 16:36:15,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 9755 states and 10376 transitions. [2022-10-16 16:36:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:36:15,417 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:15,418 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] [2022-10-16 16:36:15,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:36:15,418 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3953ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:36:15,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:15,419 INFO L85 PathProgramCache]: Analyzing trace with hash 675210237, now seen corresponding path program 1 times [2022-10-16 16:36:15,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:15,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957596951] [2022-10-16 16:36:15,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:15,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:15,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:15,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957596951] [2022-10-16 16:36:15,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957596951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:15,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:15,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:15,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700918854] [2022-10-16 16:36:15,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:15,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:36:15,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:15,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:36:15,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:15,750 INFO L87 Difference]: Start difference. First operand 9755 states and 10376 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:23,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:23,938 INFO L93 Difference]: Finished difference Result 9907 states and 10579 transitions. [2022-10-16 16:36:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:36:23,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-16 16:36:23,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:23,993 INFO L225 Difference]: With dead ends: 9907 [2022-10-16 16:36:23,994 INFO L226 Difference]: Without dead ends: 9593 [2022-10-16 16:36:23,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:24,000 INFO L413 NwaCegarLoop]: 2212 mSDtfsCounter, 19132 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 8139 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19132 SdHoareTripleChecker+Valid, 2630 SdHoareTripleChecker+Invalid, 8481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 8139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:24,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19132 Valid, 2630 Invalid, 8481 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [342 Valid, 8139 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-10-16 16:36:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9593 states. [2022-10-16 16:36:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9593 to 9563. [2022-10-16 16:36:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9563 states, 6190 states have (on average 1.6578352180936995) internal successors, (10262), 9562 states have internal predecessors, (10262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:24,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9563 states to 9563 states and 10262 transitions. [2022-10-16 16:36:24,279 INFO L78 Accepts]: Start accepts. Automaton has 9563 states and 10262 transitions. Word has length 69 [2022-10-16 16:36:24,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:24,280 INFO L495 AbstractCegarLoop]: Abstraction has 9563 states and 10262 transitions. [2022-10-16 16:36:24,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 9563 states and 10262 transitions. [2022-10-16 16:36:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:36:24,283 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:24,284 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] [2022-10-16 16:36:24,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:36:24,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3954ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:36:24,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:24,285 INFO L85 PathProgramCache]: Analyzing trace with hash -543302092, now seen corresponding path program 1 times [2022-10-16 16:36:24,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:24,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276644126] [2022-10-16 16:36:24,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:24,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:24,547 INFO 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 16:36:24,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:24,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276644126] [2022-10-16 16:36:24,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276644126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:24,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:24,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:24,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353716885] [2022-10-16 16:36:24,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:24,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:24,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:24,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:24,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:24,551 INFO L87 Difference]: Start difference. First operand 9563 states and 10262 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:34,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:34,131 INFO L93 Difference]: Finished difference Result 9891 states and 10659 transitions. [2022-10-16 16:36:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:36:34,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-16 16:36:34,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:34,181 INFO L225 Difference]: With dead ends: 9891 [2022-10-16 16:36:34,181 INFO L226 Difference]: Without dead ends: 9612 [2022-10-16 16:36:34,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:36:34,188 INFO L413 NwaCegarLoop]: 2929 mSDtfsCounter, 23664 mSDsluCounter, 2854 mSDsCounter, 0 mSdLazyCounter, 9968 mSolverCounterSat, 359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23664 SdHoareTripleChecker+Valid, 5783 SdHoareTripleChecker+Invalid, 10327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 359 IncrementalHoareTripleChecker+Valid, 9968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:34,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23664 Valid, 5783 Invalid, 10327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [359 Valid, 9968 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-10-16 16:36:34,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9612 states. [2022-10-16 16:36:34,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9612 to 9406. [2022-10-16 16:36:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9406 states, 6309 states have (on average 1.613567918846093) internal successors, (10180), 9405 states have internal predecessors, (10180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9406 states to 9406 states and 10180 transitions. [2022-10-16 16:36:34,435 INFO L78 Accepts]: Start accepts. Automaton has 9406 states and 10180 transitions. Word has length 70 [2022-10-16 16:36:34,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:34,436 INFO L495 AbstractCegarLoop]: Abstraction has 9406 states and 10180 transitions. [2022-10-16 16:36:34,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:34,437 INFO L276 IsEmpty]: Start isEmpty. Operand 9406 states and 10180 transitions. [2022-10-16 16:36:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:36:34,440 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:34,442 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] [2022-10-16 16:36:34,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:36:34,442 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3955ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:36:34,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:34,446 INFO L85 PathProgramCache]: Analyzing trace with hash 337521375, now seen corresponding path program 1 times [2022-10-16 16:36:34,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:34,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709981100] [2022-10-16 16:36:34,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:34,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:34,737 INFO 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 16:36:34,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:34,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709981100] [2022-10-16 16:36:34,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709981100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:34,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:34,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:34,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458920650] [2022-10-16 16:36:34,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:34,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:34,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:34,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:34,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:34,742 INFO L87 Difference]: Start difference. First operand 9406 states and 10180 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:44,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:44,098 INFO L93 Difference]: Finished difference Result 9585 states and 10380 transitions. [2022-10-16 16:36:44,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:44,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-10-16 16:36:44,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:44,120 INFO L225 Difference]: With dead ends: 9585 [2022-10-16 16:36:44,121 INFO L226 Difference]: Without dead ends: 9288 [2022-10-16 16:36:44,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:36:44,127 INFO L413 NwaCegarLoop]: 2220 mSDtfsCounter, 25981 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 8511 mSolverCounterSat, 371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25981 SdHoareTripleChecker+Valid, 3451 SdHoareTripleChecker+Invalid, 8882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 8511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:44,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25981 Valid, 3451 Invalid, 8882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [371 Valid, 8511 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-10-16 16:36:44,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9288 states. [2022-10-16 16:36:44,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9288 to 9231. [2022-10-16 16:36:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9231 states, 6428 states have (on average 1.5676726820161793) internal successors, (10077), 9230 states have internal predecessors, (10077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9231 states to 9231 states and 10077 transitions. [2022-10-16 16:36:44,358 INFO L78 Accepts]: Start accepts. Automaton has 9231 states and 10077 transitions. Word has length 71 [2022-10-16 16:36:44,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:44,358 INFO L495 AbstractCegarLoop]: Abstraction has 9231 states and 10077 transitions. [2022-10-16 16:36:44,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 9231 states and 10077 transitions. [2022-10-16 16:36:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:36:44,361 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:44,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:44,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:36:44,362 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3956ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:36:44,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1873245078, now seen corresponding path program 1 times [2022-10-16 16:36:44,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:44,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516798152] [2022-10-16 16:36:44,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:44,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:44,583 INFO 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 16:36:44,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:44,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516798152] [2022-10-16 16:36:44,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516798152] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:44,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:44,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:44,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575121160] [2022-10-16 16:36:44,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:44,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:44,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:44,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:44,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:44,589 INFO L87 Difference]: Start difference. First operand 9231 states and 10077 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:54,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:54,720 INFO L93 Difference]: Finished difference Result 9693 states and 10665 transitions. [2022-10-16 16:36:54,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:36:54,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:36:54,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:54,744 INFO L225 Difference]: With dead ends: 9693 [2022-10-16 16:36:54,744 INFO L226 Difference]: Without dead ends: 9422 [2022-10-16 16:36:54,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:36:54,750 INFO L413 NwaCegarLoop]: 2935 mSDtfsCounter, 28685 mSDsluCounter, 4150 mSDsCounter, 0 mSdLazyCounter, 11011 mSolverCounterSat, 400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28685 SdHoareTripleChecker+Valid, 7085 SdHoareTripleChecker+Invalid, 11411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 400 IncrementalHoareTripleChecker+Valid, 11011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:54,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28685 Valid, 7085 Invalid, 11411 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [400 Valid, 11011 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-10-16 16:36:54,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9422 states. [2022-10-16 16:36:54,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9422 to 9082. [2022-10-16 16:36:54,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9082 states, 6547 states have (on average 1.526958912478998) internal successors, (9997), 9081 states have internal predecessors, (9997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9082 states to 9082 states and 9997 transitions. [2022-10-16 16:36:54,988 INFO L78 Accepts]: Start accepts. Automaton has 9082 states and 9997 transitions. Word has length 72 [2022-10-16 16:36:54,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:54,988 INFO L495 AbstractCegarLoop]: Abstraction has 9082 states and 9997 transitions. [2022-10-16 16:36:54,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 9082 states and 9997 transitions. [2022-10-16 16:36:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:36:54,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:54,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:54,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:36:54,992 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3957ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:36:54,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:54,993 INFO L85 PathProgramCache]: Analyzing trace with hash -2058927679, now seen corresponding path program 1 times [2022-10-16 16:36:54,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:54,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113138369] [2022-10-16 16:36:54,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:54,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:55,243 INFO 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 16:36:55,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:55,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113138369] [2022-10-16 16:36:55,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113138369] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:55,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:55,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:55,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636319971] [2022-10-16 16:36:55,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:55,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:55,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:55,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:55,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:55,246 INFO L87 Difference]: Start difference. First operand 9082 states and 9997 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:04,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:04,514 INFO L93 Difference]: Finished difference Result 9404 states and 10388 transitions. [2022-10-16 16:37:04,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:37:04,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:37:04,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:04,536 INFO L225 Difference]: With dead ends: 9404 [2022-10-16 16:37:04,536 INFO L226 Difference]: Without dead ends: 9120 [2022-10-16 16:37:04,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:37:04,546 INFO L413 NwaCegarLoop]: 2320 mSDtfsCounter, 31271 mSDsluCounter, 2150 mSDsCounter, 0 mSdLazyCounter, 9191 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31271 SdHoareTripleChecker+Valid, 4470 SdHoareTripleChecker+Invalid, 9608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 9191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:04,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31271 Valid, 4470 Invalid, 9608 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [417 Valid, 9191 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-10-16 16:37:04,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9120 states. [2022-10-16 16:37:04,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9120 to 9039. [2022-10-16 16:37:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9039 states, 6785 states have (on average 1.4878408253500368) internal successors, (10095), 9038 states have internal predecessors, (10095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:04,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9039 states to 9039 states and 10095 transitions. [2022-10-16 16:37:04,775 INFO L78 Accepts]: Start accepts. Automaton has 9039 states and 10095 transitions. Word has length 73 [2022-10-16 16:37:04,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:04,777 INFO L495 AbstractCegarLoop]: Abstraction has 9039 states and 10095 transitions. [2022-10-16 16:37:04,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 9039 states and 10095 transitions. [2022-10-16 16:37:04,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:37:04,786 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:04,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:04,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:37:04,787 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3958ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:37:04,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:04,788 INFO L85 PathProgramCache]: Analyzing trace with hash 597768440, now seen corresponding path program 1 times [2022-10-16 16:37:04,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:04,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459856605] [2022-10-16 16:37:04,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:04,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:05,046 INFO 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 16:37:05,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:05,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459856605] [2022-10-16 16:37:05,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459856605] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:05,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:05,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:05,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578697682] [2022-10-16 16:37:05,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:05,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:05,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:05,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:05,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:05,049 INFO L87 Difference]: Start difference. First operand 9039 states and 10095 transitions. Second operand has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:15,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:15,401 INFO L93 Difference]: Finished difference Result 9629 states and 10871 transitions. [2022-10-16 16:37:15,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:37:15,401 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:37:15,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:15,421 INFO L225 Difference]: With dead ends: 9629 [2022-10-16 16:37:15,421 INFO L226 Difference]: Without dead ends: 9363 [2022-10-16 16:37:15,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:37:15,427 INFO L413 NwaCegarLoop]: 3060 mSDtfsCounter, 32429 mSDsluCounter, 5469 mSDsCounter, 0 mSdLazyCounter, 12229 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32429 SdHoareTripleChecker+Valid, 8529 SdHoareTripleChecker+Invalid, 12683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 12229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:15,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32429 Valid, 8529 Invalid, 12683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [454 Valid, 12229 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-10-16 16:37:15,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9363 states. [2022-10-16 16:37:15,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9363 to 8895. [2022-10-16 16:37:15,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8895 states, 6904 states have (on average 1.4504634994206258) internal successors, (10014), 8894 states have internal predecessors, (10014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8895 states to 8895 states and 10014 transitions. [2022-10-16 16:37:15,660 INFO L78 Accepts]: Start accepts. Automaton has 8895 states and 10014 transitions. Word has length 74 [2022-10-16 16:37:15,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:15,661 INFO L495 AbstractCegarLoop]: Abstraction has 8895 states and 10014 transitions. [2022-10-16 16:37:15,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 8895 states and 10014 transitions. [2022-10-16 16:37:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:37:15,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:15,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:15,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:37:15,666 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3959ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:37:15,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:15,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1350969507, now seen corresponding path program 1 times [2022-10-16 16:37:15,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:15,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587219430] [2022-10-16 16:37:15,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:15,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:15,900 INFO 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 16:37:15,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:15,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587219430] [2022-10-16 16:37:15,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587219430] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:15,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:15,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:15,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485572547] [2022-10-16 16:37:15,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:15,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:15,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:15,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:15,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:15,903 INFO L87 Difference]: Start difference. First operand 8895 states and 10014 transitions. Second operand has 7 states, 6 states have (on average 12.5) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:25,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:25,861 INFO L93 Difference]: Finished difference Result 9357 states and 10587 transitions. [2022-10-16 16:37:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:37:25,861 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.5) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:37:25,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:25,876 INFO L225 Difference]: With dead ends: 9357 [2022-10-16 16:37:25,876 INFO L226 Difference]: Without dead ends: 9082 [2022-10-16 16:37:25,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:37:25,881 INFO L413 NwaCegarLoop]: 2428 mSDtfsCounter, 35089 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 10149 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35089 SdHoareTripleChecker+Valid, 5741 SdHoareTripleChecker+Invalid, 10626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 10149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:25,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35089 Valid, 5741 Invalid, 10626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [477 Valid, 10149 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2022-10-16 16:37:25,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9082 states. [2022-10-16 16:37:26,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9082 to 8980. [2022-10-16 16:37:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8980 states, 7261 states have (on average 1.4185373915438644) internal successors, (10300), 8979 states have internal predecessors, (10300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8980 states to 8980 states and 10300 transitions. [2022-10-16 16:37:26,104 INFO L78 Accepts]: Start accepts. Automaton has 8980 states and 10300 transitions. Word has length 75 [2022-10-16 16:37:26,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:26,104 INFO L495 AbstractCegarLoop]: Abstraction has 8980 states and 10300 transitions. [2022-10-16 16:37:26,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.5) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:26,105 INFO L276 IsEmpty]: Start isEmpty. Operand 8980 states and 10300 transitions. [2022-10-16 16:37:26,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:37:26,108 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:26,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:26,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:37:26,109 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3960ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:37:26,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:26,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1069601190, now seen corresponding path program 1 times [2022-10-16 16:37:26,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:26,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284207205] [2022-10-16 16:37:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:26,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:26,371 INFO 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 16:37:26,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:26,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284207205] [2022-10-16 16:37:26,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284207205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:26,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:26,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:37:26,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368248444] [2022-10-16 16:37:26,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:26,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:37:26,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:26,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:37:26,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:37:26,374 INFO L87 Difference]: Start difference. First operand 8980 states and 10300 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:37,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:37,375 INFO L93 Difference]: Finished difference Result 9692 states and 11261 transitions. [2022-10-16 16:37:37,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:37:37,375 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:37:37,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:37,394 INFO L225 Difference]: With dead ends: 9692 [2022-10-16 16:37:37,394 INFO L226 Difference]: Without dead ends: 9429 [2022-10-16 16:37:37,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:37:37,399 INFO L413 NwaCegarLoop]: 3185 mSDtfsCounter, 35089 mSDsluCounter, 6888 mSDsCounter, 0 mSdLazyCounter, 13586 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35089 SdHoareTripleChecker+Valid, 10073 SdHoareTripleChecker+Invalid, 14103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 13586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:37,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35089 Valid, 10073 Invalid, 14103 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [517 Valid, 13586 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-10-16 16:37:37,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9429 states. [2022-10-16 16:37:37,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9429 to 8839. [2022-10-16 16:37:37,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8839 states, 7380 states have (on average 1.3842818428184283) internal successors, (10216), 8838 states have internal predecessors, (10216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8839 states to 8839 states and 10216 transitions. [2022-10-16 16:37:37,655 INFO L78 Accepts]: Start accepts. Automaton has 8839 states and 10216 transitions. Word has length 76 [2022-10-16 16:37:37,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:37,656 INFO L495 AbstractCegarLoop]: Abstraction has 8839 states and 10216 transitions. [2022-10-16 16:37:37,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 8839 states and 10216 transitions. [2022-10-16 16:37:37,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:37:37,661 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:37,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:37,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:37:37,661 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3961ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:37:37,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:37,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1202118533, now seen corresponding path program 1 times [2022-10-16 16:37:37,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:37,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433489706] [2022-10-16 16:37:37,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:37,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:37,925 INFO 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 16:37:37,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:37,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433489706] [2022-10-16 16:37:37,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433489706] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:37,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:37,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:37:37,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426954205] [2022-10-16 16:37:37,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:37,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:37:37,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:37,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:37:37,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:37:37,928 INFO L87 Difference]: Start difference. First operand 8839 states and 10216 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:48,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:48,560 INFO L93 Difference]: Finished difference Result 9438 states and 10962 transitions. [2022-10-16 16:37:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 16:37:48,560 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:37:48,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:48,576 INFO L225 Difference]: With dead ends: 9438 [2022-10-16 16:37:48,576 INFO L226 Difference]: Without dead ends: 9169 [2022-10-16 16:37:48,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:37:48,581 INFO L413 NwaCegarLoop]: 2436 mSDtfsCounter, 37776 mSDsluCounter, 4656 mSDsCounter, 0 mSdLazyCounter, 11310 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37776 SdHoareTripleChecker+Valid, 7092 SdHoareTripleChecker+Invalid, 11858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 11310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:48,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37776 Valid, 7092 Invalid, 11858 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [548 Valid, 11310 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-10-16 16:37:48,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9169 states. [2022-10-16 16:37:48,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9169 to 9049. [2022-10-16 16:37:48,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9049 states, 7856 states have (on average 1.359215885947047) internal successors, (10678), 9048 states have internal predecessors, (10678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9049 states to 9049 states and 10678 transitions. [2022-10-16 16:37:48,871 INFO L78 Accepts]: Start accepts. Automaton has 9049 states and 10678 transitions. Word has length 77 [2022-10-16 16:37:48,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:48,871 INFO L495 AbstractCegarLoop]: Abstraction has 9049 states and 10678 transitions. [2022-10-16 16:37:48,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 9049 states and 10678 transitions. [2022-10-16 16:37:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:37:48,878 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:48,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:48,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:37:48,879 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3962ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:37:48,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:48,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1389014084, now seen corresponding path program 1 times [2022-10-16 16:37:48,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:48,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128899142] [2022-10-16 16:37:48,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:48,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:49,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:49,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128899142] [2022-10-16 16:37:49,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128899142] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:49,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:49,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:37:49,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020794512] [2022-10-16 16:37:49,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:49,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:37:49,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:49,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:37:49,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:49,226 INFO L87 Difference]: Start difference. First operand 9049 states and 10678 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 9 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:01,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:01,880 INFO L93 Difference]: Finished difference Result 14537 states and 19010 transitions. [2022-10-16 16:38:01,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-16 16:38:01,881 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 9 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:38:01,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:01,893 INFO L225 Difference]: With dead ends: 14537 [2022-10-16 16:38:01,893 INFO L226 Difference]: Without dead ends: 12220 [2022-10-16 16:38:01,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=444, Invalid=1536, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 16:38:01,899 INFO L413 NwaCegarLoop]: 3205 mSDtfsCounter, 37217 mSDsluCounter, 10292 mSDsCounter, 0 mSdLazyCounter, 16115 mSolverCounterSat, 598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37217 SdHoareTripleChecker+Valid, 13497 SdHoareTripleChecker+Invalid, 16713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 598 IncrementalHoareTripleChecker+Valid, 16115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:01,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37217 Valid, 13497 Invalid, 16713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [598 Valid, 16115 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-10-16 16:38:01,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12220 states. [2022-10-16 16:38:02,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12220 to 10814. [2022-10-16 16:38:02,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10814 states, 9879 states have (on average 1.3696730438303473) internal successors, (13531), 10813 states have internal predecessors, (13531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10814 states to 10814 states and 13531 transitions. [2022-10-16 16:38:02,378 INFO L78 Accepts]: Start accepts. Automaton has 10814 states and 13531 transitions. Word has length 78 [2022-10-16 16:38:02,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:02,378 INFO L495 AbstractCegarLoop]: Abstraction has 10814 states and 13531 transitions. [2022-10-16 16:38:02,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 9 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 10814 states and 13531 transitions. [2022-10-16 16:38:02,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:38:02,385 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:02,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:02,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:38:02,386 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3963ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:38:02,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:02,387 INFO L85 PathProgramCache]: Analyzing trace with hash -109746585, now seen corresponding path program 1 times [2022-10-16 16:38:02,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:02,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879920125] [2022-10-16 16:38:02,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:02,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:02,729 INFO 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 16:38:02,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:02,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879920125] [2022-10-16 16:38:02,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879920125] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:02,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:02,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:38:02,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690686937] [2022-10-16 16:38:02,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:02,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:38:02,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:02,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:38:02,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:38:02,732 INFO L87 Difference]: Start difference. First operand 10814 states and 13531 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:15,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:15,146 INFO L93 Difference]: Finished difference Result 12963 states and 16556 transitions. [2022-10-16 16:38:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 16:38:15,147 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:38:15,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:15,164 INFO L225 Difference]: With dead ends: 12963 [2022-10-16 16:38:15,165 INFO L226 Difference]: Without dead ends: 12697 [2022-10-16 16:38:15,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=389, Invalid=1171, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 16:38:15,170 INFO L413 NwaCegarLoop]: 2490 mSDtfsCounter, 40370 mSDsluCounter, 6121 mSDsCounter, 0 mSdLazyCounter, 13260 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40370 SdHoareTripleChecker+Valid, 8611 SdHoareTripleChecker+Invalid, 13951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 13260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:15,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40370 Valid, 8611 Invalid, 13951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [691 Valid, 13260 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-10-16 16:38:15,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12697 states. [2022-10-16 16:38:15,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12697 to 12457. [2022-10-16 16:38:15,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12457 states, 11784 states have (on average 1.3739816700610998) internal successors, (16191), 12456 states have internal predecessors, (16191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12457 states to 12457 states and 16191 transitions. [2022-10-16 16:38:15,812 INFO L78 Accepts]: Start accepts. Automaton has 12457 states and 16191 transitions. Word has length 79 [2022-10-16 16:38:15,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:15,813 INFO L495 AbstractCegarLoop]: Abstraction has 12457 states and 16191 transitions. [2022-10-16 16:38:15,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:15,813 INFO L276 IsEmpty]: Start isEmpty. Operand 12457 states and 16191 transitions. [2022-10-16 16:38:15,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:38:15,826 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:15,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:15,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:38:15,826 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr448ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:38:15,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:15,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1834534999, now seen corresponding path program 1 times [2022-10-16 16:38:15,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:15,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357226587] [2022-10-16 16:38:15,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:16,060 INFO 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 16:38:16,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:16,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357226587] [2022-10-16 16:38:16,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357226587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:16,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:16,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:16,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808613590] [2022-10-16 16:38:16,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:16,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:38:16,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:16,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:38:16,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:16,063 INFO L87 Difference]: Start difference. First operand 12457 states and 16191 transitions. Second operand has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:23,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:23,408 INFO L93 Difference]: Finished difference Result 14302 states and 19046 transitions. [2022-10-16 16:38:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:38:23,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 16:38:23,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:23,424 INFO L225 Difference]: With dead ends: 14302 [2022-10-16 16:38:23,424 INFO L226 Difference]: Without dead ends: 14282 [2022-10-16 16:38:23,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:23,427 INFO L413 NwaCegarLoop]: 2915 mSDtfsCounter, 6111 mSDsluCounter, 2625 mSDsCounter, 0 mSdLazyCounter, 9651 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6111 SdHoareTripleChecker+Valid, 5540 SdHoareTripleChecker+Invalid, 9672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 9651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:23,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6111 Valid, 5540 Invalid, 9672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 9651 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-10-16 16:38:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14282 states. [2022-10-16 16:38:23,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14282 to 12797. [2022-10-16 16:38:23,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12797 states, 12141 states have (on average 1.3799522279878098) internal successors, (16754), 12796 states have internal predecessors, (16754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12797 states to 12797 states and 16754 transitions. [2022-10-16 16:38:23,997 INFO L78 Accepts]: Start accepts. Automaton has 12797 states and 16754 transitions. Word has length 123 [2022-10-16 16:38:23,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:23,997 INFO L495 AbstractCegarLoop]: Abstraction has 12797 states and 16754 transitions. [2022-10-16 16:38:23,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 12797 states and 16754 transitions. [2022-10-16 16:38:24,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:38:24,011 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:24,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:24,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:38:24,012 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr652ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:38:24,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:24,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1784616709, now seen corresponding path program 1 times [2022-10-16 16:38:24,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:24,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740298322] [2022-10-16 16:38:24,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:24,224 INFO 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 16:38:24,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:24,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740298322] [2022-10-16 16:38:24,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740298322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:24,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:24,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:24,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85639933] [2022-10-16 16:38:24,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:24,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:38:24,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:24,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:38:24,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:24,227 INFO L87 Difference]: Start difference. First operand 12797 states and 16754 transitions. Second operand has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:31,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:31,567 INFO L93 Difference]: Finished difference Result 14645 states and 19582 transitions. [2022-10-16 16:38:31,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:38:31,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 16:38:31,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:31,587 INFO L225 Difference]: With dead ends: 14645 [2022-10-16 16:38:31,587 INFO L226 Difference]: Without dead ends: 14625 [2022-10-16 16:38:31,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:31,592 INFO L413 NwaCegarLoop]: 2950 mSDtfsCounter, 6163 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 9648 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6163 SdHoareTripleChecker+Valid, 5554 SdHoareTripleChecker+Invalid, 9669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 9648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:31,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6163 Valid, 5554 Invalid, 9669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 9648 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-10-16 16:38:31,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14625 states. [2022-10-16 16:38:32,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14625 to 14565. [2022-10-16 16:38:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14565 states, 13926 states have (on average 1.4042797644693379) internal successors, (19556), 14564 states have internal predecessors, (19556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:32,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14565 states to 14565 states and 19556 transitions. [2022-10-16 16:38:32,354 INFO L78 Accepts]: Start accepts. Automaton has 14565 states and 19556 transitions. Word has length 123 [2022-10-16 16:38:32,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:32,354 INFO L495 AbstractCegarLoop]: Abstraction has 14565 states and 19556 transitions. [2022-10-16 16:38:32,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:32,355 INFO L276 IsEmpty]: Start isEmpty. Operand 14565 states and 19556 transitions. [2022-10-16 16:38:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:38:32,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:32,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:32,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:38:32,369 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr856ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:38:32,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:32,370 INFO L85 PathProgramCache]: Analyzing trace with hash 197914570, now seen corresponding path program 1 times [2022-10-16 16:38:32,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:32,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075195816] [2022-10-16 16:38:32,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:32,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:32,575 INFO 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 16:38:32,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:32,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075195816] [2022-10-16 16:38:32,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075195816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:32,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:32,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:32,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150723764] [2022-10-16 16:38:32,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:32,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:38:32,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:32,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:38:32,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:32,578 INFO L87 Difference]: Start difference. First operand 14565 states and 19556 transitions. Second operand has 4 states, 3 states have (on average 41.333333333333336) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:38,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:38,040 INFO L93 Difference]: Finished difference Result 14988 states and 20154 transitions. [2022-10-16 16:38:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:38:38,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 41.333333333333336) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-16 16:38:38,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:38,059 INFO L225 Difference]: With dead ends: 14988 [2022-10-16 16:38:38,060 INFO L226 Difference]: Without dead ends: 14976 [2022-10-16 16:38:38,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:38,067 INFO L413 NwaCegarLoop]: 6787 mSDtfsCounter, 1960 mSDsluCounter, 2069 mSDsCounter, 0 mSdLazyCounter, 5474 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1960 SdHoareTripleChecker+Valid, 8856 SdHoareTripleChecker+Invalid, 5488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 5474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:38,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1960 Valid, 8856 Invalid, 5488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 5474 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-10-16 16:38:38,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14976 states. [2022-10-16 16:38:38,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14976 to 14916. [2022-10-16 16:38:38,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14916 states, 14283 states have (on average 1.4062171812644402) internal successors, (20085), 14915 states have internal predecessors, (20085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14916 states to 14916 states and 20085 transitions. [2022-10-16 16:38:38,822 INFO L78 Accepts]: Start accepts. Automaton has 14916 states and 20085 transitions. Word has length 124 [2022-10-16 16:38:38,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:38,822 INFO L495 AbstractCegarLoop]: Abstraction has 14916 states and 20085 transitions. [2022-10-16 16:38:38,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 41.333333333333336) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:38,823 INFO L276 IsEmpty]: Start isEmpty. Operand 14916 states and 20085 transitions. [2022-10-16 16:38:38,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:38:38,833 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:38,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:38,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:38:38,834 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr653ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:38:38,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:38,834 INFO L85 PathProgramCache]: Analyzing trace with hash -511452965, now seen corresponding path program 1 times [2022-10-16 16:38:38,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:38,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756888067] [2022-10-16 16:38:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:38,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:39,028 INFO 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 16:38:39,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:39,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756888067] [2022-10-16 16:38:39,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756888067] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:39,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:39,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:39,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33946884] [2022-10-16 16:38:39,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:39,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:38:39,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:39,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:38:39,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:39,031 INFO L87 Difference]: Start difference. First operand 14916 states and 20085 transitions. Second operand has 4 states, 3 states have (on average 41.333333333333336) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:45,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:45,993 INFO L93 Difference]: Finished difference Result 14946 states and 20085 transitions. [2022-10-16 16:38:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:38:45,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 41.333333333333336) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-16 16:38:45,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:46,010 INFO L225 Difference]: With dead ends: 14946 [2022-10-16 16:38:46,011 INFO L226 Difference]: Without dead ends: 14926 [2022-10-16 16:38:46,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:46,015 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 7192 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 9336 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7192 SdHoareTripleChecker+Valid, 3982 SdHoareTripleChecker+Invalid, 9361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 9336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:46,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7192 Valid, 3982 Invalid, 9361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 9336 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-10-16 16:38:46,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14926 states. [2022-10-16 16:38:46,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14926 to 14539. [2022-10-16 16:38:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14539 states, 13926 states have (on average 1.3981042654028435) internal successors, (19470), 14538 states have internal predecessors, (19470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14539 states to 14539 states and 19470 transitions. [2022-10-16 16:38:46,745 INFO L78 Accepts]: Start accepts. Automaton has 14539 states and 19470 transitions. Word has length 124 [2022-10-16 16:38:46,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:46,746 INFO L495 AbstractCegarLoop]: Abstraction has 14539 states and 19470 transitions. [2022-10-16 16:38:46,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 41.333333333333336) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 14539 states and 19470 transitions. [2022-10-16 16:38:46,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:38:46,755 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:46,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:46,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:38:46,756 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr450ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:38:46,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:46,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2051626329, now seen corresponding path program 1 times [2022-10-16 16:38:46,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:46,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279912846] [2022-10-16 16:38:46,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:46,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:46,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:38:46,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:46,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279912846] [2022-10-16 16:38:46,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279912846] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:46,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:46,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:46,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845088386] [2022-10-16 16:38:46,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:46,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:46,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:46,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:46,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:46,992 INFO L87 Difference]: Start difference. First operand 14539 states and 19470 transitions. Second operand has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:54,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:54,815 INFO L93 Difference]: Finished difference Result 14977 states and 20050 transitions. [2022-10-16 16:38:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:54,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 16:38:54,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:54,834 INFO L225 Difference]: With dead ends: 14977 [2022-10-16 16:38:54,834 INFO L226 Difference]: Without dead ends: 14962 [2022-10-16 16:38:54,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:54,838 INFO L413 NwaCegarLoop]: 2989 mSDtfsCounter, 11989 mSDsluCounter, 2870 mSDsCounter, 0 mSdLazyCounter, 9664 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11989 SdHoareTripleChecker+Valid, 5859 SdHoareTripleChecker+Invalid, 9681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 9664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:54,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11989 Valid, 5859 Invalid, 9681 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 9664 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-10-16 16:38:54,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14962 states. [2022-10-16 16:38:55,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14962 to 14884. [2022-10-16 16:38:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14884 states, 14283 states have (on average 1.4022964363229014) internal successors, (20029), 14883 states have internal predecessors, (20029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14884 states to 14884 states and 20029 transitions. [2022-10-16 16:38:55,513 INFO L78 Accepts]: Start accepts. Automaton has 14884 states and 20029 transitions. Word has length 125 [2022-10-16 16:38:55,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:55,514 INFO L495 AbstractCegarLoop]: Abstraction has 14884 states and 20029 transitions. [2022-10-16 16:38:55,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 14884 states and 20029 transitions. [2022-10-16 16:38:55,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:38:55,521 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:55,521 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:55,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:38:55,521 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr306ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:38:55,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:55,522 INFO L85 PathProgramCache]: Analyzing trace with hash -145028998, now seen corresponding path program 1 times [2022-10-16 16:38:55,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:55,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433347535] [2022-10-16 16:38:55,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:55,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:55,799 INFO 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 16:38:55,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:55,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433347535] [2022-10-16 16:38:55,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433347535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:55,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:55,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:55,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143123225] [2022-10-16 16:38:55,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:55,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:55,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:55,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:55,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:55,802 INFO L87 Difference]: Start difference. First operand 14884 states and 20029 transitions. Second operand has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:03,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:03,248 INFO L93 Difference]: Finished difference Result 14962 states and 20029 transitions. [2022-10-16 16:39:03,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:39:03,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 16:39:03,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:03,262 INFO L225 Difference]: With dead ends: 14962 [2022-10-16 16:39:03,262 INFO L226 Difference]: Without dead ends: 14947 [2022-10-16 16:39:03,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:39:03,265 INFO L413 NwaCegarLoop]: 2763 mSDtfsCounter, 12219 mSDsluCounter, 2974 mSDsCounter, 0 mSdLazyCounter, 9705 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12219 SdHoareTripleChecker+Valid, 5737 SdHoareTripleChecker+Invalid, 9723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 9705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:03,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12219 Valid, 5737 Invalid, 9723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 9705 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-10-16 16:39:03,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14947 states. [2022-10-16 16:39:03,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14947 to 14872. [2022-10-16 16:39:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14872 states, 14283 states have (on average 1.3989357978015824) internal successors, (19981), 14871 states have internal predecessors, (19981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14872 states to 14872 states and 19981 transitions. [2022-10-16 16:39:03,917 INFO L78 Accepts]: Start accepts. Automaton has 14872 states and 19981 transitions. Word has length 125 [2022-10-16 16:39:03,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:03,917 INFO L495 AbstractCegarLoop]: Abstraction has 14872 states and 19981 transitions. [2022-10-16 16:39:03,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 14872 states and 19981 transitions. [2022-10-16 16:39:03,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:39:03,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:03,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:03,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:39:03,924 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr654ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:39:03,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:03,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1324831175, now seen corresponding path program 1 times [2022-10-16 16:39:03,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:03,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450173846] [2022-10-16 16:39:03,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:03,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:04,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:39:04,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:04,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450173846] [2022-10-16 16:39:04,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450173846] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:04,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:04,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:39:04,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466583084] [2022-10-16 16:39:04,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:04,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:39:04,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:04,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:39:04,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:39:04,139 INFO L87 Difference]: Start difference. First operand 14872 states and 19981 transitions. Second operand has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:12,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:12,061 INFO L93 Difference]: Finished difference Result 15667 states and 21141 transitions. [2022-10-16 16:39:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:39:12,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 16:39:12,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:12,082 INFO L225 Difference]: With dead ends: 15667 [2022-10-16 16:39:12,083 INFO L226 Difference]: Without dead ends: 15652 [2022-10-16 16:39:12,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:39:12,088 INFO L413 NwaCegarLoop]: 3050 mSDtfsCounter, 11968 mSDsluCounter, 2855 mSDsCounter, 0 mSdLazyCounter, 9748 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11968 SdHoareTripleChecker+Valid, 5905 SdHoareTripleChecker+Invalid, 9765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 9748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:12,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11968 Valid, 5905 Invalid, 9765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 9748 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-10-16 16:39:12,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15652 states. [2022-10-16 16:39:12,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15652 to 15217. [2022-10-16 16:39:12,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15217 states, 14640 states have (on average 1.4030054644808743) internal successors, (20540), 15216 states have internal predecessors, (20540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15217 states to 15217 states and 20540 transitions. [2022-10-16 16:39:12,876 INFO L78 Accepts]: Start accepts. Automaton has 15217 states and 20540 transitions. Word has length 125 [2022-10-16 16:39:12,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:12,877 INFO L495 AbstractCegarLoop]: Abstraction has 15217 states and 20540 transitions. [2022-10-16 16:39:12,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand 15217 states and 20540 transitions. [2022-10-16 16:39:12,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 16:39:12,888 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:12,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:12,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:39:12,888 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr451ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:39:12,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:12,889 INFO L85 PathProgramCache]: Analyzing trace with hash -824090623, now seen corresponding path program 1 times [2022-10-16 16:39:12,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:12,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122928881] [2022-10-16 16:39:12,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:12,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:39:13,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:13,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122928881] [2022-10-16 16:39:13,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122928881] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:13,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:13,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:39:13,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960378559] [2022-10-16 16:39:13,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:13,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:39:13,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:13,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:39:13,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:39:13,105 INFO L87 Difference]: Start difference. First operand 15217 states and 20540 transitions. Second operand has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:20,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:20,840 INFO L93 Difference]: Finished difference Result 17779 states and 24519 transitions. [2022-10-16 16:39:20,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:39:20,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 16:39:20,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:20,868 INFO L225 Difference]: With dead ends: 17779 [2022-10-16 16:39:20,868 INFO L226 Difference]: Without dead ends: 17764 [2022-10-16 16:39:20,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:39:20,875 INFO L413 NwaCegarLoop]: 2329 mSDtfsCounter, 14383 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 9432 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14383 SdHoareTripleChecker+Valid, 4379 SdHoareTripleChecker+Invalid, 9460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 9432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:20,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14383 Valid, 4379 Invalid, 9460 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [28 Valid, 9432 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-10-16 16:39:20,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17764 states. [2022-10-16 16:39:21,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17764 to 16276. [2022-10-16 16:39:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16276 states, 15711 states have (on average 1.4162052065431863) internal successors, (22250), 16275 states have internal predecessors, (22250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16276 states to 16276 states and 22250 transitions. [2022-10-16 16:39:21,742 INFO L78 Accepts]: Start accepts. Automaton has 16276 states and 22250 transitions. Word has length 126 [2022-10-16 16:39:21,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:21,743 INFO L495 AbstractCegarLoop]: Abstraction has 16276 states and 22250 transitions. [2022-10-16 16:39:21,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 16276 states and 22250 transitions. [2022-10-16 16:39:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 16:39:21,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:21,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:21,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:39:21,753 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr594ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3973 more)] === [2022-10-16 16:39:21,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:21,754 INFO L85 PathProgramCache]: Analyzing trace with hash 105986625, now seen corresponding path program 1 times [2022-10-16 16:39:21,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:21,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502889681] [2022-10-16 16:39:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:21,980 INFO 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 16:39:21,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:21,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502889681] [2022-10-16 16:39:21,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502889681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:21,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:21,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:39:21,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396249317] [2022-10-16 16:39:21,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:21,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:39:21,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:21,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:39:21,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:39:21,984 INFO L87 Difference]: Start difference. First operand 16276 states and 22250 transitions. Second operand has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)