/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.BOUNDED-14.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:34:38,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:34:38,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:34:38,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 16:34:38,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:34:38,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:34:38,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:34:38,193 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 16:34:38,250 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:34:38,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:34:38,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:34:38,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:34:38,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:34:38,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:34:38,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:34:38,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:34:38,256 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:34:38,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:34:38,257 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:34:38,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:34:38,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:34:38,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:34:38,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:34:38,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:34:38,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:34:38,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:34:38,259 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:34:38,259 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:34:38,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:34:38,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:34:38,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:34:38,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:34:38,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:34:38,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:34:38,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:34:38,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:34:38,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:34:38,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:34:38,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:34:38,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:34:38,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:34:38,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:34:38,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:34:38,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:34:38,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:34:38,633 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:34:38,633 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:34:38,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-16 16:34:38,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e872a642a/338af62bcaf149fc890691fada25eb2e/FLAG07795f4c9 [2022-10-16 16:34:39,759 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:34:39,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-16 16:34:39,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e872a642a/338af62bcaf149fc890691fada25eb2e/FLAG07795f4c9 [2022-10-16 16:34:40,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e872a642a/338af62bcaf149fc890691fada25eb2e [2022-10-16 16:34:40,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:34:40,202 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:34:40,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:34:40,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:34:40,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:34:40,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:34:40" (1/1) ... [2022-10-16 16:34:40,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34af3b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:40, skipping insertion in model container [2022-10-16 16:34:40,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:34:40" (1/1) ... [2022-10-16 16:34:40,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:34:40,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:34:41,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17604,17617] [2022-10-16 16:34:41,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22921,22934] [2022-10-16 16:34:41,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24278,24291] [2022-10-16 16:34:41,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25086,25099] [2022-10-16 16:34:41,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26814,26827] [2022-10-16 16:34:41,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27622,27635] [2022-10-16 16:34:41,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28801,28814] [2022-10-16 16:34:41,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31541,31554] [2022-10-16 16:34:41,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32352,32365] [2022-10-16 16:34:41,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33534,33547] [2022-10-16 16:34:41,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35725,35738] [2022-10-16 16:34:41,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39985,39998] [2022-10-16 16:34:41,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40796,40809] [2022-10-16 16:34:41,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41978,41991] [2022-10-16 16:34:41,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44169,44182] [2022-10-16 16:34:41,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47880,47893] [2022-10-16 16:34:41,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54627,54640] [2022-10-16 16:34:41,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55438,55451] [2022-10-16 16:34:41,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56581,56594] [2022-10-16 16:34:41,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58733,58746] [2022-10-16 16:34:41,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62650,62663] [2022-10-16 16:34:41,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69599,69612] [2022-10-16 16:34:41,723 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.BOUNDED-14.pals.c.v+lhb-reducer.c[82335,82348] [2022-10-16 16:34:41,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83146,83159] [2022-10-16 16:34:41,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84328,84341] [2022-10-16 16:34:41,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86519,86532] [2022-10-16 16:34:41,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90230,90243] [2022-10-16 16:34:41,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96428,96441] [2022-10-16 16:34:41,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[107019,107032] [2022-10-16 16:34:42,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:34:42,843 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:34:43,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17604,17617] [2022-10-16 16:34:43,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22921,22934] [2022-10-16 16:34:43,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24278,24291] [2022-10-16 16:34:43,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25086,25099] [2022-10-16 16:34:43,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26814,26827] [2022-10-16 16:34:43,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27622,27635] [2022-10-16 16:34:43,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28801,28814] [2022-10-16 16:34:43,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31541,31554] [2022-10-16 16:34:43,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32352,32365] [2022-10-16 16:34:43,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33534,33547] [2022-10-16 16:34:43,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35725,35738] [2022-10-16 16:34:43,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39985,39998] [2022-10-16 16:34:43,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40796,40809] [2022-10-16 16:34:43,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41978,41991] [2022-10-16 16:34:43,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44169,44182] [2022-10-16 16:34:43,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47880,47893] [2022-10-16 16:34:43,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54627,54640] [2022-10-16 16:34:43,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55438,55451] [2022-10-16 16:34:43,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56581,56594] [2022-10-16 16:34:43,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58733,58746] [2022-10-16 16:34:43,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62650,62663] [2022-10-16 16:34:43,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69599,69612] [2022-10-16 16:34:43,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82335,82348] [2022-10-16 16:34:43,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83146,83159] [2022-10-16 16:34:43,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84328,84341] [2022-10-16 16:34:43,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86519,86532] [2022-10-16 16:34:43,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90230,90243] [2022-10-16 16:34:43,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96428,96441] [2022-10-16 16:34:43,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[107019,107032] [2022-10-16 16:34:44,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:34:44,262 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:34:44,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44 WrapperNode [2022-10-16 16:34:44,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:34:44,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:34:44,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:34:44,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:34:44,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:44,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:44,727 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16839 [2022-10-16 16:34:44,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:34:44,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:34:44,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:34:44,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:34:44,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:44,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:44,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:44,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:45,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:45,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:45,238 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:45,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:45,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:34:45,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:34:45,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:34:45,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:34:45,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (1/1) ... [2022-10-16 16:34:45,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:34:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:34:45,395 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 16:34:45,414 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 16:34:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:34:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:34:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:34:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:34:45,967 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:34:45,970 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:34:57,489 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:34:57,557 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:34:57,558 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:34:57,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:34:57 BoogieIcfgContainer [2022-10-16 16:34:57,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:34:57,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:34:57,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:34:57,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:34:57,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:34:40" (1/3) ... [2022-10-16 16:34:57,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46efcd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:34:57, skipping insertion in model container [2022-10-16 16:34:57,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:34:44" (2/3) ... [2022-10-16 16:34:57,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46efcd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:34:57, skipping insertion in model container [2022-10-16 16:34:57,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:34:57" (3/3) ... [2022-10-16 16:34:57,580 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-16 16:34:57,602 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:34:57,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4236 error locations. [2022-10-16 16:34:57,812 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:34:57,821 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;@304e4ede, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:34:57,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4236 error locations. [2022-10-16 16:34:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 10496 states, 6259 states have (on average 1.9543057996485063) internal successors, (12232), 10495 states have internal predecessors, (12232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:57,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:34:57,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:57,868 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 16:34:57,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4210ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:34:57,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:57,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1055923599, now seen corresponding path program 1 times [2022-10-16 16:34:57,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:57,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571379670] [2022-10-16 16:34:57,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:57,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:58,613 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 16:34:58,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:58,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571379670] [2022-10-16 16:34:58,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571379670] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:58,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:58,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:34:58,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315928559] [2022-10-16 16:34:58,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:58,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:34:58,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:58,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:34:58,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:34:58,696 INFO L87 Difference]: Start difference. First operand has 10496 states, 6259 states have (on average 1.9543057996485063) internal successors, (12232), 10495 states have internal predecessors, (12232), 0 states have call successors, (0), 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 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 16:35:08,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:08,116 INFO L93 Difference]: Finished difference Result 10830 states and 12664 transitions. [2022-10-16 16:35:08,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:08,122 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 16:35:08,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:08,199 INFO L225 Difference]: With dead ends: 10830 [2022-10-16 16:35:08,199 INFO L226 Difference]: Without dead ends: 10501 [2022-10-16 16:35:08,212 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 16:35:08,216 INFO L413 NwaCegarLoop]: 4419 mSDtfsCounter, 20654 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 9637 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20654 SdHoareTripleChecker+Valid, 6400 SdHoareTripleChecker+Invalid, 9972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 9637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:08,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20654 Valid, 6400 Invalid, 9972 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [335 Valid, 9637 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-10-16 16:35:08,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10501 states. [2022-10-16 16:35:08,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10501 to 10303. [2022-10-16 16:35:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10303 states, 6355 states have (on average 1.7192761605035405) internal successors, (10926), 10302 states have internal predecessors, (10926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10303 states to 10303 states and 10926 transitions. [2022-10-16 16:35:08,536 INFO L78 Accepts]: Start accepts. Automaton has 10303 states and 10926 transitions. Word has length 69 [2022-10-16 16:35:08,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:08,537 INFO L495 AbstractCegarLoop]: Abstraction has 10303 states and 10926 transitions. [2022-10-16 16:35:08,537 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 16:35:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 10303 states and 10926 transitions. [2022-10-16 16:35:08,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:35:08,542 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:08,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:08,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:35:08,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4211ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:35:08,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:08,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1626124376, now seen corresponding path program 1 times [2022-10-16 16:35:08,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:08,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302744044] [2022-10-16 16:35:08,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:08,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:08,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:08,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:08,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302744044] [2022-10-16 16:35:08,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302744044] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:08,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:08,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:08,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609888796] [2022-10-16 16:35:08,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:08,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:08,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:08,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:08,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:08,878 INFO L87 Difference]: Start difference. First operand 10303 states and 10926 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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 16:35:16,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:16,787 INFO L93 Difference]: Finished difference Result 10464 states and 11137 transitions. [2022-10-16 16:35:16,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:35:16,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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 16:35:16,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:16,837 INFO L225 Difference]: With dead ends: 10464 [2022-10-16 16:35:16,837 INFO L226 Difference]: Without dead ends: 10150 [2022-10-16 16:35:16,840 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 16:35:16,842 INFO L413 NwaCegarLoop]: 2862 mSDtfsCounter, 20112 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 8140 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20112 SdHoareTripleChecker+Valid, 3292 SdHoareTripleChecker+Invalid, 8480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 8140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:16,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20112 Valid, 3292 Invalid, 8480 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [340 Valid, 8140 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-10-16 16:35:16,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10150 states. [2022-10-16 16:35:17,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10150 to 10116. [2022-10-16 16:35:17,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10116 states, 6479 states have (on average 1.6700108041364408) internal successors, (10820), 10115 states have internal predecessors, (10820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:17,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10116 states to 10116 states and 10820 transitions. [2022-10-16 16:35:17,108 INFO L78 Accepts]: Start accepts. Automaton has 10116 states and 10820 transitions. Word has length 70 [2022-10-16 16:35:17,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:17,108 INFO L495 AbstractCegarLoop]: Abstraction has 10116 states and 10820 transitions. [2022-10-16 16:35:17,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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 16:35:17,109 INFO L276 IsEmpty]: Start isEmpty. Operand 10116 states and 10820 transitions. [2022-10-16 16:35:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:35:17,112 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:17,112 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 16:35:17,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:35:17,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4212ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:35:17,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:17,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1129734317, now seen corresponding path program 1 times [2022-10-16 16:35:17,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:17,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971090891] [2022-10-16 16:35:17,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:17,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:17,365 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 16:35:17,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:17,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971090891] [2022-10-16 16:35:17,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971090891] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:17,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:17,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:17,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301246447] [2022-10-16 16:35:17,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:17,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:17,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:17,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:17,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:17,373 INFO L87 Difference]: Start difference. First operand 10116 states and 10820 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 16:35:27,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:27,105 INFO L93 Difference]: Finished difference Result 10466 states and 11233 transitions. [2022-10-16 16:35:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:35:27,106 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 16:35:27,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:27,149 INFO L225 Difference]: With dead ends: 10466 [2022-10-16 16:35:27,149 INFO L226 Difference]: Without dead ends: 10187 [2022-10-16 16:35:27,153 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 16:35:27,155 INFO L413 NwaCegarLoop]: 3671 mSDtfsCounter, 25258 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 10121 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25258 SdHoareTripleChecker+Valid, 6718 SdHoareTripleChecker+Invalid, 10477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 10121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:27,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25258 Valid, 6718 Invalid, 10477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [356 Valid, 10121 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-10-16 16:35:27,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10187 states. [2022-10-16 16:35:27,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10187 to 9964. [2022-10-16 16:35:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9964 states, 6603 states have (on average 1.627442071785552) internal successors, (10746), 9963 states have internal predecessors, (10746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 9964 states and 10746 transitions. [2022-10-16 16:35:27,418 INFO L78 Accepts]: Start accepts. Automaton has 9964 states and 10746 transitions. Word has length 71 [2022-10-16 16:35:27,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:27,418 INFO L495 AbstractCegarLoop]: Abstraction has 9964 states and 10746 transitions. [2022-10-16 16:35:27,418 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 16:35:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 9964 states and 10746 transitions. [2022-10-16 16:35:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:35:27,421 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:27,421 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 16:35:27,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:35:27,422 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4213ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:35:27,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:27,423 INFO L85 PathProgramCache]: Analyzing trace with hash -662007878, now seen corresponding path program 1 times [2022-10-16 16:35:27,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:27,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595345482] [2022-10-16 16:35:27,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:27,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:27,724 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 16:35:27,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:27,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595345482] [2022-10-16 16:35:27,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595345482] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:27,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:27,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:27,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109728264] [2022-10-16 16:35:27,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:27,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:27,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:27,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:27,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:27,731 INFO L87 Difference]: Start difference. First operand 9964 states and 10746 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 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 16:35:36,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:36,756 INFO L93 Difference]: Finished difference Result 10156 states and 10954 transitions. [2022-10-16 16:35:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:35:36,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 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 16:35:36,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:36,789 INFO L225 Difference]: With dead ends: 10156 [2022-10-16 16:35:36,789 INFO L226 Difference]: Without dead ends: 9859 [2022-10-16 16:35:36,794 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 16:35:36,796 INFO L413 NwaCegarLoop]: 2862 mSDtfsCounter, 27666 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 8442 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27666 SdHoareTripleChecker+Valid, 4129 SdHoareTripleChecker+Invalid, 8811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 8442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:36,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27666 Valid, 4129 Invalid, 8811 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [369 Valid, 8442 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-10-16 16:35:36,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9859 states. [2022-10-16 16:35:37,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9859 to 9794. [2022-10-16 16:35:37,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9794 states, 6727 states have (on average 1.5833209454437343) internal successors, (10651), 9793 states have internal predecessors, (10651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:37,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9794 states to 9794 states and 10651 transitions. [2022-10-16 16:35:37,069 INFO L78 Accepts]: Start accepts. Automaton has 9794 states and 10651 transitions. Word has length 72 [2022-10-16 16:35:37,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:37,070 INFO L495 AbstractCegarLoop]: Abstraction has 9794 states and 10651 transitions. [2022-10-16 16:35:37,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 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 16:35:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 9794 states and 10651 transitions. [2022-10-16 16:35:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:35:37,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:37,073 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 16:35:37,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:35:37,074 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4214ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:35:37,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:37,075 INFO L85 PathProgramCache]: Analyzing trace with hash 952609845, now seen corresponding path program 1 times [2022-10-16 16:35:37,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:37,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151485736] [2022-10-16 16:35:37,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:37,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:37,270 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 16:35:37,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:37,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151485736] [2022-10-16 16:35:37,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151485736] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:37,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:37,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:37,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920288481] [2022-10-16 16:35:37,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:37,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:37,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:37,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:37,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:37,273 INFO L87 Difference]: Start difference. First operand 9794 states and 10651 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 16:35:47,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:47,241 INFO L93 Difference]: Finished difference Result 10287 states and 11263 transitions. [2022-10-16 16:35:47,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:35:47,242 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 16:35:47,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:47,265 INFO L225 Difference]: With dead ends: 10287 [2022-10-16 16:35:47,265 INFO L226 Difference]: Without dead ends: 10016 [2022-10-16 16:35:47,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:35:47,273 INFO L413 NwaCegarLoop]: 3677 mSDtfsCounter, 30814 mSDsluCounter, 4487 mSDsCounter, 0 mSdLazyCounter, 11240 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30814 SdHoareTripleChecker+Valid, 8164 SdHoareTripleChecker+Invalid, 11634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 11240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:47,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30814 Valid, 8164 Invalid, 11634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [394 Valid, 11240 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-10-16 16:35:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10016 states. [2022-10-16 16:35:47,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10016 to 9650. [2022-10-16 16:35:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9650 states, 6851 states have (on average 1.5441541380820318) internal successors, (10579), 9649 states have internal predecessors, (10579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9650 states to 9650 states and 10579 transitions. [2022-10-16 16:35:47,499 INFO L78 Accepts]: Start accepts. Automaton has 9650 states and 10579 transitions. Word has length 73 [2022-10-16 16:35:47,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:47,499 INFO L495 AbstractCegarLoop]: Abstraction has 9650 states and 10579 transitions. [2022-10-16 16:35:47,500 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 16:35:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 9650 states and 10579 transitions. [2022-10-16 16:35:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:35:47,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:47,502 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 16:35:47,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:35:47,503 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4215ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:35:47,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:47,504 INFO L85 PathProgramCache]: Analyzing trace with hash -533848292, now seen corresponding path program 1 times [2022-10-16 16:35:47,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:47,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542732932] [2022-10-16 16:35:47,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:47,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:47,847 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 16:35:47,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:47,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542732932] [2022-10-16 16:35:47,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542732932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:47,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:47,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:47,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044110759] [2022-10-16 16:35:47,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:47,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:47,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:47,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:47,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:47,851 INFO L87 Difference]: Start difference. First operand 9650 states and 10579 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 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 16:35:57,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:57,113 INFO L93 Difference]: Finished difference Result 9994 states and 10986 transitions. [2022-10-16 16:35:57,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:35:57,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 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 16:35:57,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:57,135 INFO L225 Difference]: With dead ends: 9994 [2022-10-16 16:35:57,135 INFO L226 Difference]: Without dead ends: 9710 [2022-10-16 16:35:57,140 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 16:35:57,141 INFO L413 NwaCegarLoop]: 2978 mSDtfsCounter, 33397 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 9125 mSolverCounterSat, 418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33397 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 9543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 418 IncrementalHoareTripleChecker+Valid, 9125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:57,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33397 Valid, 5295 Invalid, 9543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [418 Valid, 9125 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-10-16 16:35:57,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9710 states. [2022-10-16 16:35:57,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9710 to 9617. [2022-10-16 16:35:57,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9617 states, 7099 states have (on average 1.50626848851951) internal successors, (10693), 9616 states have internal predecessors, (10693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9617 states to 9617 states and 10693 transitions. [2022-10-16 16:35:57,369 INFO L78 Accepts]: Start accepts. Automaton has 9617 states and 10693 transitions. Word has length 74 [2022-10-16 16:35:57,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:57,371 INFO L495 AbstractCegarLoop]: Abstraction has 9617 states and 10693 transitions. [2022-10-16 16:35:57,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 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 16:35:57,371 INFO L276 IsEmpty]: Start isEmpty. Operand 9617 states and 10693 transitions. [2022-10-16 16:35:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:35:57,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:57,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:57,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:35:57,375 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4216ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:35:57,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:57,375 INFO L85 PathProgramCache]: Analyzing trace with hash 630589719, now seen corresponding path program 1 times [2022-10-16 16:35:57,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:57,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098206670] [2022-10-16 16:35:57,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:57,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:57,676 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 16:35:57,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:57,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098206670] [2022-10-16 16:35:57,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098206670] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:57,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:57,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:35:57,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140024103] [2022-10-16 16:35:57,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:57,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:35:57,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:57,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:35:57,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:35:57,680 INFO L87 Difference]: Start difference. First operand 9617 states and 10693 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 16:36:08,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:08,114 INFO L93 Difference]: Finished difference Result 10247 states and 11501 transitions. [2022-10-16 16:36:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:36:08,115 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 16:36:08,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:08,136 INFO L225 Difference]: With dead ends: 10247 [2022-10-16 16:36:08,137 INFO L226 Difference]: Without dead ends: 9981 [2022-10-16 16:36:08,142 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 16:36:08,143 INFO L413 NwaCegarLoop]: 3810 mSDtfsCounter, 35085 mSDsluCounter, 5949 mSDsCounter, 0 mSdLazyCounter, 12535 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35085 SdHoareTripleChecker+Valid, 9759 SdHoareTripleChecker+Invalid, 12980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 12535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:08,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35085 Valid, 9759 Invalid, 12980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [445 Valid, 12535 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-10-16 16:36:08,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9981 states. [2022-10-16 16:36:08,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9981 to 9478. [2022-10-16 16:36:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9478 states, 7223 states have (on average 1.470303198117126) internal successors, (10620), 9477 states have internal predecessors, (10620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9478 states to 9478 states and 10620 transitions. [2022-10-16 16:36:08,370 INFO L78 Accepts]: Start accepts. Automaton has 9478 states and 10620 transitions. Word has length 75 [2022-10-16 16:36:08,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:08,370 INFO L495 AbstractCegarLoop]: Abstraction has 9478 states and 10620 transitions. [2022-10-16 16:36:08,371 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 16:36:08,371 INFO L276 IsEmpty]: Start isEmpty. Operand 9478 states and 10620 transitions. [2022-10-16 16:36:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:36:08,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:08,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:08,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:36:08,374 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4217ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:36:08,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:08,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1926537602, now seen corresponding path program 1 times [2022-10-16 16:36:08,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:08,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427050715] [2022-10-16 16:36:08,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:08,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:08,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:08,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427050715] [2022-10-16 16:36:08,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427050715] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:08,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:08,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:36:08,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640572651] [2022-10-16 16:36:08,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:08,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:36:08,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:08,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:36:08,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:08,644 INFO L87 Difference]: Start difference. First operand 9478 states and 10620 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 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 16:36:18,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:18,540 INFO L93 Difference]: Finished difference Result 9971 states and 11217 transitions. [2022-10-16 16:36:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:36:18,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 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 16:36:18,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:18,563 INFO L225 Difference]: With dead ends: 9971 [2022-10-16 16:36:18,563 INFO L226 Difference]: Without dead ends: 9696 [2022-10-16 16:36:18,569 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 16:36:18,570 INFO L413 NwaCegarLoop]: 3094 mSDtfsCounter, 37744 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 10085 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37744 SdHoareTripleChecker+Valid, 6722 SdHoareTripleChecker+Invalid, 10566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 10085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:18,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37744 Valid, 6722 Invalid, 10566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [481 Valid, 10085 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-10-16 16:36:18,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9696 states. [2022-10-16 16:36:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9696 to 9578. [2022-10-16 16:36:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9578 states, 7595 states have (on average 1.4391046741277156) internal successors, (10930), 9577 states have internal predecessors, (10930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:18,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9578 states to 9578 states and 10930 transitions. [2022-10-16 16:36:18,826 INFO L78 Accepts]: Start accepts. Automaton has 9578 states and 10930 transitions. Word has length 76 [2022-10-16 16:36:18,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:18,826 INFO L495 AbstractCegarLoop]: Abstraction has 9578 states and 10930 transitions. [2022-10-16 16:36:18,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 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 16:36:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 9578 states and 10930 transitions. [2022-10-16 16:36:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:36:18,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:18,830 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 16:36:18,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:36:18,831 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4218ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:36:18,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:18,831 INFO L85 PathProgramCache]: Analyzing trace with hash 406894073, now seen corresponding path program 1 times [2022-10-16 16:36:18,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:18,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512924629] [2022-10-16 16:36:18,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:18,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:19,112 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 16:36:19,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:19,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512924629] [2022-10-16 16:36:19,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512924629] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:19,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:19,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:36:19,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424991583] [2022-10-16 16:36:19,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:19,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:36:19,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:19,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:36:19,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:36:19,117 INFO L87 Difference]: Start difference. First operand 9578 states and 10930 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 16:36:30,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:30,254 INFO L93 Difference]: Finished difference Result 10339 states and 11931 transitions. [2022-10-16 16:36:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:36:30,255 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 16:36:30,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:30,272 INFO L225 Difference]: With dead ends: 10339 [2022-10-16 16:36:30,273 INFO L226 Difference]: Without dead ends: 10076 [2022-10-16 16:36:30,278 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 16:36:30,279 INFO L413 NwaCegarLoop]: 3943 mSDtfsCounter, 38272 mSDsluCounter, 7518 mSDsCounter, 0 mSdLazyCounter, 13970 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38272 SdHoareTripleChecker+Valid, 11461 SdHoareTripleChecker+Invalid, 14475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 13970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:30,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38272 Valid, 11461 Invalid, 14475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [505 Valid, 13970 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-10-16 16:36:30,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10076 states. [2022-10-16 16:36:30,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10076 to 9442. [2022-10-16 16:36:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9442 states, 7719 states have (on average 1.4061406917994559) internal successors, (10854), 9441 states have internal predecessors, (10854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9442 states to 9442 states and 10854 transitions. [2022-10-16 16:36:30,541 INFO L78 Accepts]: Start accepts. Automaton has 9442 states and 10854 transitions. Word has length 77 [2022-10-16 16:36:30,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:30,541 INFO L495 AbstractCegarLoop]: Abstraction has 9442 states and 10854 transitions. [2022-10-16 16:36:30,541 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 16:36:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 9442 states and 10854 transitions. [2022-10-16 16:36:30,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:36:30,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:30,545 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 16:36:30,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:36:30,546 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4219ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:36:30,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:30,546 INFO L85 PathProgramCache]: Analyzing trace with hash -271168032, now seen corresponding path program 1 times [2022-10-16 16:36:30,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:30,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763294685] [2022-10-16 16:36:30,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:30,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:30,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:30,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763294685] [2022-10-16 16:36:30,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763294685] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:30,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:30,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:36:30,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730340979] [2022-10-16 16:36:30,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:30,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:36:30,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:30,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:36:30,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:36:30,813 INFO L87 Difference]: Start difference. First operand 9442 states and 10854 transitions. Second operand has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 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 16:36:41,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:41,332 INFO L93 Difference]: Finished difference Result 10081 states and 11632 transitions. [2022-10-16 16:36:41,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 16:36:41,332 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 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 16:36:41,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:41,346 INFO L225 Difference]: With dead ends: 10081 [2022-10-16 16:36:41,346 INFO L226 Difference]: Without dead ends: 9812 [2022-10-16 16:36:41,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:36:41,353 INFO L413 NwaCegarLoop]: 3103 mSDtfsCounter, 40966 mSDsluCounter, 5127 mSDsCounter, 0 mSdLazyCounter, 11249 mSolverCounterSat, 555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40966 SdHoareTripleChecker+Valid, 8230 SdHoareTripleChecker+Invalid, 11804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 555 IncrementalHoareTripleChecker+Valid, 11249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:41,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40966 Valid, 8230 Invalid, 11804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [555 Valid, 11249 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-10-16 16:36:41,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9812 states. [2022-10-16 16:36:41,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9812 to 9672. [2022-10-16 16:36:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9672 states, 8215 states have (on average 1.381375532562386) internal successors, (11348), 9671 states have internal predecessors, (11348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:41,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9672 states to 9672 states and 11348 transitions. [2022-10-16 16:36:41,660 INFO L78 Accepts]: Start accepts. Automaton has 9672 states and 11348 transitions. Word has length 78 [2022-10-16 16:36:41,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:41,660 INFO L495 AbstractCegarLoop]: Abstraction has 9672 states and 11348 transitions. [2022-10-16 16:36:41,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 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 16:36:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 9672 states and 11348 transitions. [2022-10-16 16:36:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:36:41,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:41,665 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, 1, 1, 1, 1] [2022-10-16 16:36:41,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:36:41,665 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4220ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:36:41,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:41,666 INFO L85 PathProgramCache]: Analyzing trace with hash 183743195, now seen corresponding path program 1 times [2022-10-16 16:36:41,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:41,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185555835] [2022-10-16 16:36:41,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:41,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:41,979 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 16:36:41,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:41,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185555835] [2022-10-16 16:36:41,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185555835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:41,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:41,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:36:41,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482463603] [2022-10-16 16:36:41,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:41,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:36:41,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:41,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:36:41,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:41,983 INFO L87 Difference]: Start difference. First operand 9672 states and 11348 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 16:36:54,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:54,906 INFO L93 Difference]: Finished difference Result 15436 states and 20032 transitions. [2022-10-16 16:36:54,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-16 16:36:54,907 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 16:36:54,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:54,920 INFO L225 Difference]: With dead ends: 15436 [2022-10-16 16:36:54,921 INFO L226 Difference]: Without dead ends: 13030 [2022-10-16 16:36:54,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=444, Invalid=1536, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 16:36:54,927 INFO L413 NwaCegarLoop]: 3983 mSDtfsCounter, 40754 mSDsluCounter, 11853 mSDsCounter, 0 mSdLazyCounter, 16941 mSolverCounterSat, 577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40754 SdHoareTripleChecker+Valid, 15836 SdHoareTripleChecker+Invalid, 17518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 16941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:54,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40754 Valid, 15836 Invalid, 17518 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [577 Valid, 16941 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-10-16 16:36:54,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13030 states. [2022-10-16 16:36:55,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13030 to 11522. [2022-10-16 16:36:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11522 states, 10323 states have (on average 1.3888404533565823) internal successors, (14337), 11521 states have internal predecessors, (14337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:55,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11522 states to 11522 states and 14337 transitions. [2022-10-16 16:36:55,519 INFO L78 Accepts]: Start accepts. Automaton has 11522 states and 14337 transitions. Word has length 79 [2022-10-16 16:36:55,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:55,520 INFO L495 AbstractCegarLoop]: Abstraction has 11522 states and 14337 transitions. [2022-10-16 16:36:55,520 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 16:36:55,520 INFO L276 IsEmpty]: Start isEmpty. Operand 11522 states and 14337 transitions. [2022-10-16 16:36:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:36:55,525 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:55,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:55,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:36:55,526 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4221ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:36:55,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:55,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1401089346, now seen corresponding path program 1 times [2022-10-16 16:36:55,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:55,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046283575] [2022-10-16 16:36:55,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:55,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:55,838 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 16:36:55,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:55,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046283575] [2022-10-16 16:36:55,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046283575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:55,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:55,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:36:55,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510163870] [2022-10-16 16:36:55,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:55,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:36:55,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:55,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:36:55,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:55,840 INFO L87 Difference]: Start difference. First operand 11522 states and 14337 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:08,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:08,201 INFO L93 Difference]: Finished difference Result 13796 states and 17491 transitions. [2022-10-16 16:37:08,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 16:37:08,201 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:37:08,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:08,218 INFO L225 Difference]: With dead ends: 13796 [2022-10-16 16:37:08,218 INFO L226 Difference]: Without dead ends: 13530 [2022-10-16 16:37:08,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=389, Invalid=1171, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 16:37:08,225 INFO L413 NwaCegarLoop]: 3174 mSDtfsCounter, 44037 mSDsluCounter, 6665 mSDsCounter, 0 mSdLazyCounter, 13316 mSolverCounterSat, 704 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44037 SdHoareTripleChecker+Valid, 9839 SdHoareTripleChecker+Invalid, 14020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 704 IncrementalHoareTripleChecker+Valid, 13316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:08,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44037 Valid, 9839 Invalid, 14020 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [704 Valid, 13316 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2022-10-16 16:37:08,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13530 states. [2022-10-16 16:37:09,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13530 to 13246. [2022-10-16 16:37:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13246 states, 12309 states have (on average 1.3913396701600456) internal successors, (17126), 13245 states have internal predecessors, (17126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13246 states to 13246 states and 17126 transitions. [2022-10-16 16:37:09,144 INFO L78 Accepts]: Start accepts. Automaton has 13246 states and 17126 transitions. Word has length 80 [2022-10-16 16:37:09,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:09,144 INFO L495 AbstractCegarLoop]: Abstraction has 13246 states and 17126 transitions. [2022-10-16 16:37:09,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 13246 states and 17126 transitions. [2022-10-16 16:37:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:37:09,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:09,155 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] [2022-10-16 16:37:09,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:37:09,155 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4234ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:37:09,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:09,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1456287144, now seen corresponding path program 1 times [2022-10-16 16:37:09,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:09,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421661101] [2022-10-16 16:37:09,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:09,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:09,297 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 16:37:09,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:09,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421661101] [2022-10-16 16:37:09,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421661101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:09,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:09,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:37:09,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906109811] [2022-10-16 16:37:09,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:09,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:37:09,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:09,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:37:09,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:37:09,299 INFO L87 Difference]: Start difference. First operand 13246 states and 17126 transitions. Second operand has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:10,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:10,495 INFO L93 Difference]: Finished difference Result 13246 states and 17126 transitions. [2022-10-16 16:37:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:37:10,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-16 16:37:10,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:10,513 INFO L225 Difference]: With dead ends: 13246 [2022-10-16 16:37:10,513 INFO L226 Difference]: Without dead ends: 12990 [2022-10-16 16:37:10,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:37:10,519 INFO L413 NwaCegarLoop]: 7065 mSDtfsCounter, 4305 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4305 SdHoareTripleChecker+Valid, 10023 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:10,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4305 Valid, 10023 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:37:10,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12990 states. [2022-10-16 16:37:11,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12990 to 12990. [2022-10-16 16:37:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12990 states, 12309 states have (on average 1.370541879925258) internal successors, (16870), 12989 states have internal predecessors, (16870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12990 states to 12990 states and 16870 transitions. [2022-10-16 16:37:11,296 INFO L78 Accepts]: Start accepts. Automaton has 12990 states and 16870 transitions. Word has length 98 [2022-10-16 16:37:11,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:11,296 INFO L495 AbstractCegarLoop]: Abstraction has 12990 states and 16870 transitions. [2022-10-16 16:37:11,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 12990 states and 16870 transitions. [2022-10-16 16:37:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 16:37:11,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:11,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:11,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:37:11,308 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:37:11,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:11,309 INFO L85 PathProgramCache]: Analyzing trace with hash 29729817, now seen corresponding path program 1 times [2022-10-16 16:37:11,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:11,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605439723] [2022-10-16 16:37:11,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:11,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:11,449 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 16:37:11,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:11,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605439723] [2022-10-16 16:37:11,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605439723] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:11,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:11,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:37:11,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455781580] [2022-10-16 16:37:11,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:11,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:37:11,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:11,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:37:11,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:37:11,452 INFO L87 Difference]: Start difference. First operand 12990 states and 16870 transitions. Second operand has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:12,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:12,196 INFO L93 Difference]: Finished difference Result 12990 states and 16870 transitions. [2022-10-16 16:37:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:37:12,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 16:37:12,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:12,212 INFO L225 Difference]: With dead ends: 12990 [2022-10-16 16:37:12,213 INFO L226 Difference]: Without dead ends: 12988 [2022-10-16 16:37:12,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:37:12,217 INFO L413 NwaCegarLoop]: 7172 mSDtfsCounter, 7344 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7344 SdHoareTripleChecker+Valid, 7172 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:12,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7344 Valid, 7172 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:37:12,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12988 states. [2022-10-16 16:37:12,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12988 to 12988. [2022-10-16 16:37:12,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12988 states, 12309 states have (on average 1.3663985701519215) internal successors, (16819), 12987 states have internal predecessors, (16819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12988 states to 12988 states and 16819 transitions. [2022-10-16 16:37:12,788 INFO L78 Accepts]: Start accepts. Automaton has 12988 states and 16819 transitions. Word has length 103 [2022-10-16 16:37:12,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:12,789 INFO L495 AbstractCegarLoop]: Abstraction has 12988 states and 16819 transitions. [2022-10-16 16:37:12,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:12,789 INFO L276 IsEmpty]: Start isEmpty. Operand 12988 states and 16819 transitions. [2022-10-16 16:37:12,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:37:12,799 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:12,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:12,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:37:12,800 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:37:12,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:12,800 INFO L85 PathProgramCache]: Analyzing trace with hash 921624675, now seen corresponding path program 1 times [2022-10-16 16:37:12,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:12,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662425379] [2022-10-16 16:37:12,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:12,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:12,990 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 16:37:12,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:12,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662425379] [2022-10-16 16:37:12,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662425379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:12,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:12,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:37:12,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136264284] [2022-10-16 16:37:12,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:12,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:37:12,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:12,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:37:12,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:37:12,992 INFO L87 Difference]: Start difference. First operand 12988 states and 16819 transitions. Second operand has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:13,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:13,745 INFO L93 Difference]: Finished difference Result 12988 states and 16819 transitions. [2022-10-16 16:37:13,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:37:13,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:37:13,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:13,760 INFO L225 Difference]: With dead ends: 12988 [2022-10-16 16:37:13,760 INFO L226 Difference]: Without dead ends: 12986 [2022-10-16 16:37:13,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:37:13,765 INFO L413 NwaCegarLoop]: 7172 mSDtfsCounter, 7341 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7341 SdHoareTripleChecker+Valid, 7172 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:13,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7341 Valid, 7172 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:13,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12986 states. [2022-10-16 16:37:14,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12986 to 12986. [2022-10-16 16:37:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12986 states, 12309 states have (on average 1.3622552603785847) internal successors, (16768), 12985 states have internal predecessors, (16768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12986 states to 12986 states and 16768 transitions. [2022-10-16 16:37:14,278 INFO L78 Accepts]: Start accepts. Automaton has 12986 states and 16768 transitions. Word has length 104 [2022-10-16 16:37:14,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:14,279 INFO L495 AbstractCegarLoop]: Abstraction has 12986 states and 16768 transitions. [2022-10-16 16:37:14,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:14,279 INFO L276 IsEmpty]: Start isEmpty. Operand 12986 states and 16768 transitions. [2022-10-16 16:37:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 16:37:14,288 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:14,288 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 16:37:14,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:37:14,289 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr658ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:37:14,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:14,289 INFO L85 PathProgramCache]: Analyzing trace with hash 2104938771, now seen corresponding path program 1 times [2022-10-16 16:37:14,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:14,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495743989] [2022-10-16 16:37:14,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:14,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:14,500 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 16:37:14,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:14,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495743989] [2022-10-16 16:37:14,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495743989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:14,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:14,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:14,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603563265] [2022-10-16 16:37:14,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:14,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:14,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:14,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:14,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:14,506 INFO L87 Difference]: Start difference. First operand 12986 states and 16768 transitions. Second operand has 4 states, 3 states have (on average 42.0) internal successors, (126), 4 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 16:37:21,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:21,455 INFO L93 Difference]: Finished difference Result 13425 states and 17384 transitions. [2022-10-16 16:37:21,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:37:21,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.0) internal successors, (126), 4 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 16:37:21,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:21,470 INFO L225 Difference]: With dead ends: 13425 [2022-10-16 16:37:21,470 INFO L226 Difference]: Without dead ends: 13405 [2022-10-16 16:37:21,474 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 16:37:21,474 INFO L413 NwaCegarLoop]: 3125 mSDtfsCounter, 6438 mSDsluCounter, 2899 mSDsCounter, 0 mSdLazyCounter, 9620 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6438 SdHoareTripleChecker+Valid, 6024 SdHoareTripleChecker+Invalid, 9642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 9620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:21,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6438 Valid, 6024 Invalid, 9642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 9620 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-10-16 16:37:21,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13405 states. [2022-10-16 16:37:22,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13405 to 13341. [2022-10-16 16:37:22,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13341 states, 12681 states have (on average 1.3688194937307783) internal successors, (17358), 13340 states have internal predecessors, (17358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13341 states to 13341 states and 17358 transitions. [2022-10-16 16:37:22,067 INFO L78 Accepts]: Start accepts. Automaton has 13341 states and 17358 transitions. Word has length 126 [2022-10-16 16:37:22,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:22,067 INFO L495 AbstractCegarLoop]: Abstraction has 13341 states and 17358 transitions. [2022-10-16 16:37:22,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.0) internal successors, (126), 4 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 16:37:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 13341 states and 17358 transitions. [2022-10-16 16:37:22,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 16:37:22,075 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:22,075 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 16:37:22,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:37:22,075 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr454ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:37:22,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:22,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1883451453, now seen corresponding path program 1 times [2022-10-16 16:37:22,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:22,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667197325] [2022-10-16 16:37:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:22,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:22,279 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 16:37:22,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:22,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667197325] [2022-10-16 16:37:22,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667197325] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:22,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:22,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:22,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555149716] [2022-10-16 16:37:22,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:22,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:22,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:22,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:22,281 INFO L87 Difference]: Start difference. First operand 13341 states and 17358 transitions. Second operand has 4 states, 3 states have (on average 42.0) internal successors, (126), 4 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 16:37:29,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:29,351 INFO L93 Difference]: Finished difference Result 15265 states and 20303 transitions. [2022-10-16 16:37:29,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:37:29,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.0) internal successors, (126), 4 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 16:37:29,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:29,364 INFO L225 Difference]: With dead ends: 15265 [2022-10-16 16:37:29,364 INFO L226 Difference]: Without dead ends: 15245 [2022-10-16 16:37:29,367 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 16:37:29,368 INFO L413 NwaCegarLoop]: 3373 mSDtfsCounter, 6386 mSDsluCounter, 3026 mSDsCounter, 0 mSdLazyCounter, 9619 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6386 SdHoareTripleChecker+Valid, 6399 SdHoareTripleChecker+Invalid, 9640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 9619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:29,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6386 Valid, 6399 Invalid, 9640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 9619 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-10-16 16:37:29,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15245 states. [2022-10-16 16:37:29,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15245 to 15184. [2022-10-16 16:37:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15184 states, 14541 states have (on average 1.3919950484835981) internal successors, (20241), 15183 states have internal predecessors, (20241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15184 states to 15184 states and 20241 transitions. [2022-10-16 16:37:30,010 INFO L78 Accepts]: Start accepts. Automaton has 15184 states and 20241 transitions. Word has length 126 [2022-10-16 16:37:30,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:30,011 INFO L495 AbstractCegarLoop]: Abstraction has 15184 states and 20241 transitions. [2022-10-16 16:37:30,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.0) internal successors, (126), 4 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 16:37:30,011 INFO L276 IsEmpty]: Start isEmpty. Operand 15184 states and 20241 transitions. [2022-10-16 16:37:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:37:30,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:30,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:30,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:37:30,018 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr862ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:37:30,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:30,018 INFO L85 PathProgramCache]: Analyzing trace with hash 932874543, now seen corresponding path program 1 times [2022-10-16 16:37:30,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:30,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112894650] [2022-10-16 16:37:30,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:30,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:30,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:30,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112894650] [2022-10-16 16:37:30,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112894650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:30,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:30,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:30,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848230753] [2022-10-16 16:37:30,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:30,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:30,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:30,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:30,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:30,207 INFO L87 Difference]: Start difference. First operand 15184 states and 20241 transitions. Second operand has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:37,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:37,928 INFO L93 Difference]: Finished difference Result 15626 states and 20857 transitions. [2022-10-16 16:37:37,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:37:37,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 16:37:37,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:37,948 INFO L225 Difference]: With dead ends: 15626 [2022-10-16 16:37:37,949 INFO L226 Difference]: Without dead ends: 15614 [2022-10-16 16:37:37,954 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 16:37:37,955 INFO L413 NwaCegarLoop]: 6893 mSDtfsCounter, 1505 mSDsluCounter, 4155 mSDsCounter, 0 mSdLazyCounter, 9844 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 11048 SdHoareTripleChecker+Invalid, 9859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 9844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:37,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 11048 Invalid, 9859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 9844 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-10-16 16:37:37,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15614 states. [2022-10-16 16:37:38,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15614 to 15550. [2022-10-16 16:37:38,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15550 states, 14913 states have (on average 1.3939515858646818) internal successors, (20788), 15549 states have internal predecessors, (20788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:38,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15550 states to 15550 states and 20788 transitions. [2022-10-16 16:37:38,745 INFO L78 Accepts]: Start accepts. Automaton has 15550 states and 20788 transitions. Word has length 127 [2022-10-16 16:37:38,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:38,745 INFO L495 AbstractCegarLoop]: Abstraction has 15550 states and 20788 transitions. [2022-10-16 16:37:38,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:38,746 INFO L276 IsEmpty]: Start isEmpty. Operand 15550 states and 20788 transitions. [2022-10-16 16:37:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:37:38,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:38,753 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, 1] [2022-10-16 16:37:38,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:37:38,753 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr659ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:37:38,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:38,754 INFO L85 PathProgramCache]: Analyzing trace with hash 828596387, now seen corresponding path program 1 times [2022-10-16 16:37:38,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:38,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567412526] [2022-10-16 16:37:38,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:38,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:38,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:38,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567412526] [2022-10-16 16:37:38,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567412526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:38,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:38,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:38,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961231645] [2022-10-16 16:37:38,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:38,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:38,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:38,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:38,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:38,963 INFO L87 Difference]: Start difference. First operand 15550 states and 20788 transitions. Second operand has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:46,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:46,376 INFO L93 Difference]: Finished difference Result 15582 states and 20788 transitions. [2022-10-16 16:37:46,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:37:46,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 16:37:46,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:46,394 INFO L225 Difference]: With dead ends: 15582 [2022-10-16 16:37:46,394 INFO L226 Difference]: Without dead ends: 15562 [2022-10-16 16:37:46,399 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 16:37:46,400 INFO L413 NwaCegarLoop]: 2494 mSDtfsCounter, 7477 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 9264 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7477 SdHoareTripleChecker+Valid, 4427 SdHoareTripleChecker+Invalid, 9290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 9264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:46,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7477 Valid, 4427 Invalid, 9290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [26 Valid, 9264 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-10-16 16:37:46,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15562 states. [2022-10-16 16:37:47,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15562 to 15158. [2022-10-16 16:37:47,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15158 states, 14541 states have (on average 1.3860807372257753) internal successors, (20155), 15157 states have internal predecessors, (20155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:47,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15158 states to 15158 states and 20155 transitions. [2022-10-16 16:37:47,207 INFO L78 Accepts]: Start accepts. Automaton has 15158 states and 20155 transitions. Word has length 127 [2022-10-16 16:37:47,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:47,208 INFO L495 AbstractCegarLoop]: Abstraction has 15158 states and 20155 transitions. [2022-10-16 16:37:47,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 15158 states and 20155 transitions. [2022-10-16 16:37:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 16:37:47,216 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:47,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:47,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:37:47,216 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr660ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:37:47,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:47,217 INFO L85 PathProgramCache]: Analyzing trace with hash -83311851, now seen corresponding path program 1 times [2022-10-16 16:37:47,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:47,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820923750] [2022-10-16 16:37:47,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:47,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:47,440 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 16:37:47,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:47,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820923750] [2022-10-16 16:37:47,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820923750] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:47,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:47,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:47,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405818652] [2022-10-16 16:37:47,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:47,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:47,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:47,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:47,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:47,442 INFO L87 Difference]: Start difference. First operand 15158 states and 20155 transitions. Second operand has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:55,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:55,959 INFO L93 Difference]: Finished difference Result 15989 states and 21351 transitions. [2022-10-16 16:37:55,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:37:55,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 16:37:55,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:55,976 INFO L225 Difference]: With dead ends: 15989 [2022-10-16 16:37:55,976 INFO L226 Difference]: Without dead ends: 15974 [2022-10-16 16:37:55,980 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 16:37:55,980 INFO L413 NwaCegarLoop]: 3102 mSDtfsCounter, 12248 mSDsluCounter, 4138 mSDsCounter, 0 mSdLazyCounter, 10760 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12248 SdHoareTripleChecker+Valid, 7240 SdHoareTripleChecker+Invalid, 10778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 10760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:55,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12248 Valid, 7240 Invalid, 10778 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 10760 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-10-16 16:37:55,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15974 states. [2022-10-16 16:37:56,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15974 to 15518. [2022-10-16 16:37:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15518 states, 14913 states have (on average 1.390196472876014) internal successors, (20732), 15517 states have internal predecessors, (20732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15518 states to 15518 states and 20732 transitions. [2022-10-16 16:37:56,823 INFO L78 Accepts]: Start accepts. Automaton has 15518 states and 20732 transitions. Word has length 128 [2022-10-16 16:37:56,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:56,823 INFO L495 AbstractCegarLoop]: Abstraction has 15518 states and 20732 transitions. [2022-10-16 16:37:56,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 15518 states and 20732 transitions. [2022-10-16 16:37:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 16:37:56,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:56,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:56,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:37:56,830 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr456ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:37:56,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:56,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1815530491, now seen corresponding path program 1 times [2022-10-16 16:37:56,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:56,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954688889] [2022-10-16 16:37:56,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:56,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:57,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:57,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:57,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954688889] [2022-10-16 16:37:57,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954688889] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:57,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:57,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:57,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456477977] [2022-10-16 16:37:57,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:57,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:57,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:57,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:57,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:57,068 INFO L87 Difference]: Start difference. First operand 15518 states and 20732 transitions. Second operand has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:05,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:05,014 INFO L93 Difference]: Finished difference Result 15977 states and 21330 transitions. [2022-10-16 16:38:05,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:05,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 16:38:05,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:05,029 INFO L225 Difference]: With dead ends: 15977 [2022-10-16 16:38:05,029 INFO L226 Difference]: Without dead ends: 15962 [2022-10-16 16:38:05,033 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 16:38:05,033 INFO L413 NwaCegarLoop]: 3458 mSDtfsCounter, 12533 mSDsluCounter, 3286 mSDsCounter, 0 mSdLazyCounter, 9712 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12533 SdHoareTripleChecker+Valid, 6744 SdHoareTripleChecker+Invalid, 9729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 9712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:05,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12533 Valid, 6744 Invalid, 9729 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 9712 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-10-16 16:38:05,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15962 states. [2022-10-16 16:38:05,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15962 to 15878. [2022-10-16 16:38:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15878 states, 15285 states have (on average 1.3941118743866536) internal successors, (21309), 15877 states have internal predecessors, (21309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15878 states to 15878 states and 21309 transitions. [2022-10-16 16:38:05,894 INFO L78 Accepts]: Start accepts. Automaton has 15878 states and 21309 transitions. Word has length 128 [2022-10-16 16:38:05,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:05,895 INFO L495 AbstractCegarLoop]: Abstraction has 15878 states and 21309 transitions. [2022-10-16 16:38:05,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:05,895 INFO L276 IsEmpty]: Start isEmpty. Operand 15878 states and 21309 transitions. [2022-10-16 16:38:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 16:38:05,902 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:05,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:05,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:38:05,902 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr312ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:38:05,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1408067711, now seen corresponding path program 1 times [2022-10-16 16:38:05,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:05,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029388418] [2022-10-16 16:38:05,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:06,104 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 16:38:06,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:06,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029388418] [2022-10-16 16:38:06,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029388418] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:06,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:06,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:06,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54091114] [2022-10-16 16:38:06,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:06,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:06,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:06,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:06,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:06,106 INFO L87 Difference]: Start difference. First operand 15878 states and 21309 transitions. Second operand has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:14,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:14,518 INFO L93 Difference]: Finished difference Result 15962 states and 21309 transitions. [2022-10-16 16:38:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:14,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 16:38:14,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:14,542 INFO L225 Difference]: With dead ends: 15962 [2022-10-16 16:38:14,542 INFO L226 Difference]: Without dead ends: 15947 [2022-10-16 16:38:14,547 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 16:38:14,547 INFO L413 NwaCegarLoop]: 3220 mSDtfsCounter, 12214 mSDsluCounter, 4266 mSDsCounter, 0 mSdLazyCounter, 10790 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12214 SdHoareTripleChecker+Valid, 7486 SdHoareTripleChecker+Invalid, 10808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 10790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:14,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12214 Valid, 7486 Invalid, 10808 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 10790 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-10-16 16:38:14,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15947 states. [2022-10-16 16:38:15,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15947 to 15866. [2022-10-16 16:38:15,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15866 states, 15285 states have (on average 1.3909715407262022) internal successors, (21261), 15865 states have internal predecessors, (21261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:15,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15866 states to 15866 states and 21261 transitions. [2022-10-16 16:38:15,438 INFO L78 Accepts]: Start accepts. Automaton has 15866 states and 21261 transitions. Word has length 128 [2022-10-16 16:38:15,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:15,439 INFO L495 AbstractCegarLoop]: Abstraction has 15866 states and 21261 transitions. [2022-10-16 16:38:15,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:15,439 INFO L276 IsEmpty]: Start isEmpty. Operand 15866 states and 21261 transitions. [2022-10-16 16:38:15,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 16:38:15,447 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:15,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:15,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:38:15,448 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr864ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-16 16:38:15,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:15,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1155562607, now seen corresponding path program 1 times [2022-10-16 16:38:15,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:15,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391750027] [2022-10-16 16:38:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:15,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:15,679 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 16:38:15,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:15,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391750027] [2022-10-16 16:38:15,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391750027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:15,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:15,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:15,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837344084] [2022-10-16 16:38:15,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:15,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:15,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:15,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:15,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:15,682 INFO L87 Difference]: Start difference. First operand 15866 states and 21261 transitions. Second operand has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)