/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-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:12:44,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:12:44,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:12:44,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 16:12:44,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:12:44,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:12:44,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:12:44,200 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 16:12:44,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:12:44,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:12:44,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:12:44,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:12:44,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:12:44,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:12:44,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:12:44,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:12:44,266 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:12:44,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:12:44,267 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:12:44,267 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:12:44,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:12:44,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:12:44,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:12:44,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:12:44,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:12:44,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:12:44,268 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:12:44,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:12:44,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:12:44,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:12:44,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:12:44,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:12:44,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:12:44,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:12:44,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:12:44,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:12:44,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:12:44,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:12:44,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:12:44,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:12:44,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:12:44,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:12:44,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:12:44,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:12:44,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:12:44,722 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:12:44,724 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:12:44,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:12:44,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7fcc79cd/5e14309ea3944a7aa2ce9247d8527647/FLAG48323d4fe [2022-10-16 16:12:46,210 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:12:46,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:12:46,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7fcc79cd/5e14309ea3944a7aa2ce9247d8527647/FLAG48323d4fe [2022-10-16 16:12:46,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7fcc79cd/5e14309ea3944a7aa2ce9247d8527647 [2022-10-16 16:12:46,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:12:46,820 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:12:46,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:12:46,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:12:46,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:12:46,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:12:46" (1/1) ... [2022-10-16 16:12:46,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230702b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:46, skipping insertion in model container [2022-10-16 16:12:46,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:12:46" (1/1) ... [2022-10-16 16:12:46,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:12:47,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:12:48,268 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-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82693,82706] [2022-10-16 16:12:48,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[113477,113490] [2022-10-16 16:12:48,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[165794,165807] [2022-10-16 16:12:48,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[197365,197378] [2022-10-16 16:12:48,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[205886,205899] [2022-10-16 16:12:48,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[207836,207849] [2022-10-16 16:12:48,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[224171,224184] [2022-10-16 16:12:48,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231245,231258] [2022-10-16 16:12:48,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[259571,259584] [2022-10-16 16:12:49,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[287337,287350] [2022-10-16 16:12:49,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[370939,370952] [2022-10-16 16:12:49,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[389606,389619] [2022-10-16 16:12:49,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[408649,408662] [2022-10-16 16:12:49,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[415665,415678] [2022-10-16 16:12:49,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[419162,419175] [2022-10-16 16:12:49,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[433807,433820] [2022-10-16 16:12:49,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[448287,448300] [2022-10-16 16:12:49,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[480365,480378] [2022-10-16 16:12:49,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[569807,569820] [2022-10-16 16:12:50,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:12:50,152 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:12:50,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82693,82706] [2022-10-16 16:12:50,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[113477,113490] [2022-10-16 16:12:50,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[165794,165807] [2022-10-16 16:12:50,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[197365,197378] [2022-10-16 16:12:50,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[205886,205899] [2022-10-16 16:12:50,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[207836,207849] [2022-10-16 16:12:50,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[224171,224184] [2022-10-16 16:12:50,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231245,231258] [2022-10-16 16:12:50,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[259571,259584] [2022-10-16 16:12:50,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[287337,287350] [2022-10-16 16:12:51,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[370939,370952] [2022-10-16 16:12:51,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[389606,389619] [2022-10-16 16:12:51,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[408649,408662] [2022-10-16 16:12:51,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[415665,415678] [2022-10-16 16:12:51,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[419162,419175] [2022-10-16 16:12:51,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[433807,433820] [2022-10-16 16:12:51,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[448287,448300] [2022-10-16 16:12:51,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[480365,480378] [2022-10-16 16:12:51,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[569807,569820] [2022-10-16 16:12:51,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:12:51,910 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:12:51,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51 WrapperNode [2022-10-16 16:12:51,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:12:51,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:12:51,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:12:51,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:12:51,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:52,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:52,576 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30987 [2022-10-16 16:12:52,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:12:52,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:12:52,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:12:52,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:12:52,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:52,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:52,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:52,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:53,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:53,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:53,249 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:53,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:53,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:12:53,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:12:53,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:12:53,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:12:53,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (1/1) ... [2022-10-16 16:12:53,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:12:53,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:12:53,575 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 16:12:53,588 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 16:12:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:12:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:12:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:12:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:12:54,376 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:12:54,378 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:13:08,740 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:13:08,800 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:13:08,800 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:13:08,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:13:08 BoogieIcfgContainer [2022-10-16 16:13:08,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:13:08,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:13:08,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:13:08,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:13:08,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:12:46" (1/3) ... [2022-10-16 16:13:08,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c5593f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:13:08, skipping insertion in model container [2022-10-16 16:13:08,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:51" (2/3) ... [2022-10-16 16:13:08,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c5593f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:13:08, skipping insertion in model container [2022-10-16 16:13:08,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:13:08" (3/3) ... [2022-10-16 16:13:08,823 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:13:08,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:13:08,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2504 error locations. [2022-10-16 16:13:09,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:13:09,080 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;@3ca88381, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:13:09,080 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2504 error locations. [2022-10-16 16:13:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 11137 states, 8632 states have (on average 1.8644578313253013) internal successors, (16094), 11136 states have internal predecessors, (16094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:13:09,128 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:09,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:13:09,130 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:13:09,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:09,135 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:13:09,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:09,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242484749] [2022-10-16 16:13:09,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:09,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:09,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:09,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242484749] [2022-10-16 16:13:09,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242484749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:09,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:09,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:13:09,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897057576] [2022-10-16 16:13:09,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:09,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:13:09,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:09,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:13:09,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:13:09,674 INFO L87 Difference]: Start difference. First operand has 11137 states, 8632 states have (on average 1.8644578313253013) internal successors, (16094), 11136 states have internal predecessors, (16094), 0 states have call successors, (0), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:10,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:10,004 INFO L93 Difference]: Finished difference Result 11140 states and 16096 transitions. [2022-10-16 16:13:10,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:13:10,007 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 16:13:10,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:10,090 INFO L225 Difference]: With dead ends: 11140 [2022-10-16 16:13:10,091 INFO L226 Difference]: Without dead ends: 10794 [2022-10-16 16:13:10,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:13:10,108 INFO L413 NwaCegarLoop]: 15747 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15747 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:10,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15747 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:10,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10794 states. [2022-10-16 16:13:10,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10794 to 10794. [2022-10-16 16:13:10,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10794 states, 8618 states have (on average 1.4834068229287538) internal successors, (12784), 10793 states have internal predecessors, (12784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:10,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10794 states to 10794 states and 12784 transitions. [2022-10-16 16:13:10,515 INFO L78 Accepts]: Start accepts. Automaton has 10794 states and 12784 transitions. Word has length 4 [2022-10-16 16:13:10,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:10,516 INFO L495 AbstractCegarLoop]: Abstraction has 10794 states and 12784 transitions. [2022-10-16 16:13:10,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 10794 states and 12784 transitions. [2022-10-16 16:13:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:13:10,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:10,531 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] [2022-10-16 16:13:10,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:13:10,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1988ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:13:10,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:10,532 INFO L85 PathProgramCache]: Analyzing trace with hash 373105159, now seen corresponding path program 1 times [2022-10-16 16:13:10,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:10,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786420335] [2022-10-16 16:13:10,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:10,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:10,982 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 16:13:10,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:10,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786420335] [2022-10-16 16:13:10,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786420335] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:10,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:10,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:10,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471938623] [2022-10-16 16:13:10,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:10,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:13:10,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:10,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:13:10,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:13:10,987 INFO L87 Difference]: Start difference. First operand 10794 states and 12784 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:16,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:16,548 INFO L93 Difference]: Finished difference Result 11064 states and 13168 transitions. [2022-10-16 16:13:16,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:13:16,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-16 16:13:16,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:16,606 INFO L225 Difference]: With dead ends: 11064 [2022-10-16 16:13:16,607 INFO L226 Difference]: Without dead ends: 10840 [2022-10-16 16:13:16,613 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 16:13:16,615 INFO L413 NwaCegarLoop]: 8734 mSDtfsCounter, 20539 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 5456 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20539 SdHoareTripleChecker+Valid, 12229 SdHoareTripleChecker+Invalid, 5733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 5456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:16,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20539 Valid, 12229 Invalid, 5733 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [277 Valid, 5456 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-16 16:13:16,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10840 states. [2022-10-16 16:13:17,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10840 to 10697. [2022-10-16 16:13:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10697 states, 8743 states have (on average 1.4591101452590645) internal successors, (12757), 10696 states have internal predecessors, (12757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10697 states to 10697 states and 12757 transitions. [2022-10-16 16:13:17,110 INFO L78 Accepts]: Start accepts. Automaton has 10697 states and 12757 transitions. Word has length 58 [2022-10-16 16:13:17,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:17,111 INFO L495 AbstractCegarLoop]: Abstraction has 10697 states and 12757 transitions. [2022-10-16 16:13:17,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 10697 states and 12757 transitions. [2022-10-16 16:13:17,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:13:17,118 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:17,118 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] [2022-10-16 16:13:17,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:13:17,119 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1989ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:13:17,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:17,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1318615501, now seen corresponding path program 1 times [2022-10-16 16:13:17,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:17,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617048776] [2022-10-16 16:13:17,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:17,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:17,387 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 16:13:17,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:17,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617048776] [2022-10-16 16:13:17,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617048776] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:17,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:17,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:17,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098831803] [2022-10-16 16:13:17,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:17,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:13:17,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:17,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:13:17,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:13:17,392 INFO L87 Difference]: Start difference. First operand 10697 states and 12757 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:22,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:22,088 INFO L93 Difference]: Finished difference Result 10826 states and 12944 transitions. [2022-10-16 16:13:22,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:13:22,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 16:13:22,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:22,147 INFO L225 Difference]: With dead ends: 10826 [2022-10-16 16:13:22,147 INFO L226 Difference]: Without dead ends: 10574 [2022-10-16 16:13:22,151 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 16:13:22,158 INFO L413 NwaCegarLoop]: 8162 mSDtfsCounter, 23368 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 4555 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23368 SdHoareTripleChecker+Valid, 9200 SdHoareTripleChecker+Invalid, 4961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 4555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:22,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23368 Valid, 9200 Invalid, 4961 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [406 Valid, 4555 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 16:13:22,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10574 states. [2022-10-16 16:13:22,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10574 to 10562. [2022-10-16 16:13:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10562 states, 8858 states have (on average 1.4326032964551818) internal successors, (12690), 10561 states have internal predecessors, (12690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10562 states to 10562 states and 12690 transitions. [2022-10-16 16:13:22,647 INFO L78 Accepts]: Start accepts. Automaton has 10562 states and 12690 transitions. Word has length 59 [2022-10-16 16:13:22,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:22,650 INFO L495 AbstractCegarLoop]: Abstraction has 10562 states and 12690 transitions. [2022-10-16 16:13:22,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:22,651 INFO L276 IsEmpty]: Start isEmpty. Operand 10562 states and 12690 transitions. [2022-10-16 16:13:22,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:13:22,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:22,653 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] [2022-10-16 16:13:22,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:13:22,657 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1990ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:13:22,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:22,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2072618889, now seen corresponding path program 1 times [2022-10-16 16:13:22,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:22,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410473421] [2022-10-16 16:13:22,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:22,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:22,909 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 16:13:22,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:22,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410473421] [2022-10-16 16:13:22,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410473421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:22,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:22,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:22,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582484558] [2022-10-16 16:13:22,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:22,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:22,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:22,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:22,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:22,913 INFO L87 Difference]: Start difference. First operand 10562 states and 12690 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:28,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:28,295 INFO L93 Difference]: Finished difference Result 10823 states and 13053 transitions. [2022-10-16 16:13:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:13:28,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 16:13:28,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:28,320 INFO L225 Difference]: With dead ends: 10823 [2022-10-16 16:13:28,320 INFO L226 Difference]: Without dead ends: 10617 [2022-10-16 16:13:28,323 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 16:13:28,327 INFO L413 NwaCegarLoop]: 8733 mSDtfsCounter, 28449 mSDsluCounter, 6030 mSDsCounter, 0 mSdLazyCounter, 6281 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28449 SdHoareTripleChecker+Valid, 14763 SdHoareTripleChecker+Invalid, 6581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 6281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:28,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28449 Valid, 14763 Invalid, 6581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [300 Valid, 6281 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-16 16:13:28,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10617 states. [2022-10-16 16:13:28,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10617 to 10471. [2022-10-16 16:13:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10471 states, 8971 states have (on average 1.4117712629584216) internal successors, (12665), 10470 states have internal predecessors, (12665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10471 states to 10471 states and 12665 transitions. [2022-10-16 16:13:28,655 INFO L78 Accepts]: Start accepts. Automaton has 10471 states and 12665 transitions. Word has length 60 [2022-10-16 16:13:28,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:28,656 INFO L495 AbstractCegarLoop]: Abstraction has 10471 states and 12665 transitions. [2022-10-16 16:13:28,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:28,657 INFO L276 IsEmpty]: Start isEmpty. Operand 10471 states and 12665 transitions. [2022-10-16 16:13:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:13:28,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:28,660 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] [2022-10-16 16:13:28,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:13:28,660 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1991ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:13:28,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:28,661 INFO L85 PathProgramCache]: Analyzing trace with hash -173297419, now seen corresponding path program 1 times [2022-10-16 16:13:28,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:28,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267900283] [2022-10-16 16:13:28,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:28,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:28,895 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 16:13:28,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:28,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267900283] [2022-10-16 16:13:28,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267900283] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:28,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:28,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:28,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376862747] [2022-10-16 16:13:28,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:28,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:28,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:28,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:28,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:28,909 INFO L87 Difference]: Start difference. First operand 10471 states and 12665 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:33,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:33,916 INFO L93 Difference]: Finished difference Result 10607 states and 12847 transitions. [2022-10-16 16:13:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:13:33,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-16 16:13:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:33,938 INFO L225 Difference]: With dead ends: 10607 [2022-10-16 16:13:33,938 INFO L226 Difference]: Without dead ends: 10377 [2022-10-16 16:13:33,941 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 16:13:33,942 INFO L413 NwaCegarLoop]: 8190 mSDtfsCounter, 32153 mSDsluCounter, 2843 mSDsCounter, 0 mSdLazyCounter, 4948 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32153 SdHoareTripleChecker+Valid, 11033 SdHoareTripleChecker+Invalid, 5439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 4948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:33,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32153 Valid, 11033 Invalid, 5439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [491 Valid, 4948 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-16 16:13:33,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10377 states. [2022-10-16 16:13:34,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10377 to 10355. [2022-10-16 16:13:34,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10355 states, 9083 states have (on average 1.3886381151601894) internal successors, (12613), 10354 states have internal predecessors, (12613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:34,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10355 states to 10355 states and 12613 transitions. [2022-10-16 16:13:34,252 INFO L78 Accepts]: Start accepts. Automaton has 10355 states and 12613 transitions. Word has length 61 [2022-10-16 16:13:34,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:34,253 INFO L495 AbstractCegarLoop]: Abstraction has 10355 states and 12613 transitions. [2022-10-16 16:13:34,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 10355 states and 12613 transitions. [2022-10-16 16:13:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:13:34,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:34,258 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] [2022-10-16 16:13:34,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:13:34,258 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1992ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:13:34,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:34,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1077226229, now seen corresponding path program 1 times [2022-10-16 16:13:34,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:34,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961854328] [2022-10-16 16:13:34,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:34,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:34,461 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 16:13:34,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:34,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961854328] [2022-10-16 16:13:34,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961854328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:34,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:34,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:34,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576508760] [2022-10-16 16:13:34,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:34,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:34,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:34,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:34,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:34,465 INFO L87 Difference]: Start difference. First operand 10355 states and 12613 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:40,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:40,194 INFO L93 Difference]: Finished difference Result 10729 states and 13151 transitions. [2022-10-16 16:13:40,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:13:40,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-16 16:13:40,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:40,227 INFO L225 Difference]: With dead ends: 10729 [2022-10-16 16:13:40,227 INFO L226 Difference]: Without dead ends: 10535 [2022-10-16 16:13:40,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:13:40,233 INFO L413 NwaCegarLoop]: 8735 mSDtfsCounter, 35389 mSDsluCounter, 8748 mSDsCounter, 0 mSdLazyCounter, 7294 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35389 SdHoareTripleChecker+Valid, 17483 SdHoareTripleChecker+Invalid, 7639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 7294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:40,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35389 Valid, 17483 Invalid, 7639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [345 Valid, 7294 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-10-16 16:13:40,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10535 states. [2022-10-16 16:13:40,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10535 to 10275. [2022-10-16 16:13:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10275 states, 9195 states have (on average 1.3697661772702556) internal successors, (12595), 10274 states have internal predecessors, (12595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:40,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10275 states to 10275 states and 12595 transitions. [2022-10-16 16:13:40,683 INFO L78 Accepts]: Start accepts. Automaton has 10275 states and 12595 transitions. Word has length 62 [2022-10-16 16:13:40,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:40,685 INFO L495 AbstractCegarLoop]: Abstraction has 10275 states and 12595 transitions. [2022-10-16 16:13:40,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 10275 states and 12595 transitions. [2022-10-16 16:13:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:13:40,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:40,691 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] [2022-10-16 16:13:40,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:13:40,692 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1993ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:13:40,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:40,692 INFO L85 PathProgramCache]: Analyzing trace with hash 965751735, now seen corresponding path program 1 times [2022-10-16 16:13:40,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:40,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641187499] [2022-10-16 16:13:40,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:40,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:40,932 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 16:13:40,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:40,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641187499] [2022-10-16 16:13:40,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641187499] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:40,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:40,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:40,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157098613] [2022-10-16 16:13:40,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:40,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:40,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:40,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:40,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:40,935 INFO L87 Difference]: Start difference. First operand 10275 states and 12595 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:46,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:46,246 INFO L93 Difference]: Finished difference Result 10531 states and 12953 transitions. [2022-10-16 16:13:46,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:13:46,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-16 16:13:46,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:46,266 INFO L225 Difference]: With dead ends: 10531 [2022-10-16 16:13:46,266 INFO L226 Difference]: Without dead ends: 10319 [2022-10-16 16:13:46,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:13:46,271 INFO L413 NwaCegarLoop]: 8193 mSDtfsCounter, 39335 mSDsluCounter, 5232 mSDsCounter, 0 mSdLazyCounter, 5713 mSolverCounterSat, 571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39335 SdHoareTripleChecker+Valid, 13425 SdHoareTripleChecker+Invalid, 6284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 571 IncrementalHoareTripleChecker+Valid, 5713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:46,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39335 Valid, 13425 Invalid, 6284 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [571 Valid, 5713 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 16:13:46,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10319 states. [2022-10-16 16:13:46,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10319 to 10289. [2022-10-16 16:13:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10289 states, 9419 states have (on average 1.3520543582121245) internal successors, (12735), 10288 states have internal predecessors, (12735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:46,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10289 states to 10289 states and 12735 transitions. [2022-10-16 16:13:46,650 INFO L78 Accepts]: Start accepts. Automaton has 10289 states and 12735 transitions. Word has length 63 [2022-10-16 16:13:46,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:46,651 INFO L495 AbstractCegarLoop]: Abstraction has 10289 states and 12735 transitions. [2022-10-16 16:13:46,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 10289 states and 12735 transitions. [2022-10-16 16:13:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:13:46,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:46,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:46,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:13:46,656 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1994ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:13:46,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:46,656 INFO L85 PathProgramCache]: Analyzing trace with hash -126440819, now seen corresponding path program 1 times [2022-10-16 16:13:46,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:46,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758071212] [2022-10-16 16:13:46,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:46,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:46,898 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 16:13:46,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:46,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758071212] [2022-10-16 16:13:46,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758071212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:46,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:46,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:13:46,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253433887] [2022-10-16 16:13:46,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:46,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:13:46,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:46,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:13:46,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:13:46,901 INFO L87 Difference]: Start difference. First operand 10289 states and 12735 transitions. Second operand has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:53,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:53,170 INFO L93 Difference]: Finished difference Result 11683 states and 14871 transitions. [2022-10-16 16:13:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:13:53,174 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 16:13:53,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:53,198 INFO L225 Difference]: With dead ends: 11683 [2022-10-16 16:13:53,199 INFO L226 Difference]: Without dead ends: 10595 [2022-10-16 16:13:53,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:13:53,206 INFO L413 NwaCegarLoop]: 8762 mSDtfsCounter, 41224 mSDsluCounter, 11663 mSDsCounter, 0 mSdLazyCounter, 8550 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41224 SdHoareTripleChecker+Valid, 20425 SdHoareTripleChecker+Invalid, 8960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 8550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:53,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41224 Valid, 20425 Invalid, 8960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [410 Valid, 8550 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-16 16:13:53,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10595 states. [2022-10-16 16:13:53,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10595 to 10225. [2022-10-16 16:13:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10225 states, 9531 states have (on average 1.3353268282446753) internal successors, (12727), 10224 states have internal predecessors, (12727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:53,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10225 states to 10225 states and 12727 transitions. [2022-10-16 16:13:53,723 INFO L78 Accepts]: Start accepts. Automaton has 10225 states and 12727 transitions. Word has length 64 [2022-10-16 16:13:53,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:53,724 INFO L495 AbstractCegarLoop]: Abstraction has 10225 states and 12727 transitions. [2022-10-16 16:13:53,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 10225 states and 12727 transitions. [2022-10-16 16:13:53,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:13:53,729 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:53,729 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] [2022-10-16 16:13:53,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:13:53,730 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1995ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:13:53,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:53,730 INFO L85 PathProgramCache]: Analyzing trace with hash 375328377, now seen corresponding path program 1 times [2022-10-16 16:13:53,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:53,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020181135] [2022-10-16 16:13:53,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:53,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:53,999 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 16:13:54,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:54,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020181135] [2022-10-16 16:13:54,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020181135] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:54,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:54,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:13:54,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111120793] [2022-10-16 16:13:54,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:54,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:13:54,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:54,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:13:54,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:13:54,003 INFO L87 Difference]: Start difference. First operand 10225 states and 12727 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:00,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:00,145 INFO L93 Difference]: Finished difference Result 11076 states and 13984 transitions. [2022-10-16 16:14:00,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 16:14:00,146 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-16 16:14:00,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:00,164 INFO L225 Difference]: With dead ends: 11076 [2022-10-16 16:14:00,165 INFO L226 Difference]: Without dead ends: 10875 [2022-10-16 16:14:00,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 16:14:00,169 INFO L413 NwaCegarLoop]: 8228 mSDtfsCounter, 46007 mSDsluCounter, 8234 mSDsCounter, 0 mSdLazyCounter, 6772 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46007 SdHoareTripleChecker+Valid, 16462 SdHoareTripleChecker+Invalid, 7483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 6772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:00,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46007 Valid, 16462 Invalid, 7483 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [711 Valid, 6772 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-10-16 16:14:00,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10875 states. [2022-10-16 16:14:00,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10875 to 10815. [2022-10-16 16:14:00,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10815 states, 10319 states have (on average 1.3341409051264657) internal successors, (13767), 10814 states have internal predecessors, (13767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10815 states to 10815 states and 13767 transitions. [2022-10-16 16:14:00,626 INFO L78 Accepts]: Start accepts. Automaton has 10815 states and 13767 transitions. Word has length 65 [2022-10-16 16:14:00,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:00,626 INFO L495 AbstractCegarLoop]: Abstraction has 10815 states and 13767 transitions. [2022-10-16 16:14:00,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand 10815 states and 13767 transitions. [2022-10-16 16:14:00,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:14:00,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:00,643 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] [2022-10-16 16:14:00,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:14:00,643 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr994ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:00,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:00,644 INFO L85 PathProgramCache]: Analyzing trace with hash 518843336, now seen corresponding path program 1 times [2022-10-16 16:14:00,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:00,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66300584] [2022-10-16 16:14:00,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:00,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:00,828 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 16:14:00,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:00,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66300584] [2022-10-16 16:14:00,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66300584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:00,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:00,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:00,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638631688] [2022-10-16 16:14:00,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:00,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:14:00,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:00,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:14:00,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:14:00,830 INFO L87 Difference]: Start difference. First operand 10815 states and 13767 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:04,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:04,960 INFO L93 Difference]: Finished difference Result 11511 states and 14841 transitions. [2022-10-16 16:14:04,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:14:04,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-16 16:14:04,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:04,979 INFO L225 Difference]: With dead ends: 11511 [2022-10-16 16:14:04,979 INFO L226 Difference]: Without dead ends: 11491 [2022-10-16 16:14:04,985 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 16:14:04,986 INFO L413 NwaCegarLoop]: 8818 mSDtfsCounter, 9353 mSDsluCounter, 8770 mSDsCounter, 0 mSdLazyCounter, 5778 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9353 SdHoareTripleChecker+Valid, 17588 SdHoareTripleChecker+Invalid, 5850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 5778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:04,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9353 Valid, 17588 Invalid, 5850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 5778 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-16 16:14:05,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11491 states. [2022-10-16 16:14:05,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11491 to 11021. [2022-10-16 16:14:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11021 states, 10543 states have (on average 1.33804419994309) internal successors, (14107), 11020 states have internal predecessors, (14107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:05,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11021 states to 11021 states and 14107 transitions. [2022-10-16 16:14:05,478 INFO L78 Accepts]: Start accepts. Automaton has 11021 states and 14107 transitions. Word has length 90 [2022-10-16 16:14:05,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:05,479 INFO L495 AbstractCegarLoop]: Abstraction has 11021 states and 14107 transitions. [2022-10-16 16:14:05,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:05,479 INFO L276 IsEmpty]: Start isEmpty. Operand 11021 states and 14107 transitions. [2022-10-16 16:14:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:14:05,494 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:05,494 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] [2022-10-16 16:14:05,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:14:05,495 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1616ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:05,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:05,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1020905525, now seen corresponding path program 1 times [2022-10-16 16:14:05,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:05,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412867991] [2022-10-16 16:14:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:05,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:05,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:05,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:05,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412867991] [2022-10-16 16:14:05,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412867991] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:05,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:05,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:14:05,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73963076] [2022-10-16 16:14:05,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:05,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:14:05,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:05,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:14:05,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:14:05,731 INFO L87 Difference]: Start difference. First operand 11021 states and 14107 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:10,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:10,577 INFO L93 Difference]: Finished difference Result 11497 states and 14811 transitions. [2022-10-16 16:14:10,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:14:10,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 16:14:10,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:10,592 INFO L225 Difference]: With dead ends: 11497 [2022-10-16 16:14:10,592 INFO L226 Difference]: Without dead ends: 11477 [2022-10-16 16:14:10,596 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 16:14:10,597 INFO L413 NwaCegarLoop]: 8872 mSDtfsCounter, 17720 mSDsluCounter, 11170 mSDsCounter, 0 mSdLazyCounter, 6813 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17720 SdHoareTripleChecker+Valid, 20042 SdHoareTripleChecker+Invalid, 6889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 6813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:10,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17720 Valid, 20042 Invalid, 6889 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [76 Valid, 6813 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 16:14:10,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11477 states. [2022-10-16 16:14:11,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11477 to 11227. [2022-10-16 16:14:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11227 states, 10767 states have (on average 1.3410420730008359) internal successors, (14439), 11226 states have internal predecessors, (14439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11227 states to 11227 states and 14439 transitions. [2022-10-16 16:14:11,042 INFO L78 Accepts]: Start accepts. Automaton has 11227 states and 14439 transitions. Word has length 91 [2022-10-16 16:14:11,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:11,043 INFO L495 AbstractCegarLoop]: Abstraction has 11227 states and 14439 transitions. [2022-10-16 16:14:11,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:11,043 INFO L276 IsEmpty]: Start isEmpty. Operand 11227 states and 14439 transitions. [2022-10-16 16:14:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:14:11,058 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:11,058 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] [2022-10-16 16:14:11,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:14:11,058 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr996ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:11,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:11,059 INFO L85 PathProgramCache]: Analyzing trace with hash 392710858, now seen corresponding path program 1 times [2022-10-16 16:14:11,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:11,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446076007] [2022-10-16 16:14:11,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:11,293 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 16:14:11,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:11,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446076007] [2022-10-16 16:14:11,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446076007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:11,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:11,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:14:11,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566310481] [2022-10-16 16:14:11,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:11,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:14:11,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:11,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:14:11,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:14:11,296 INFO L87 Difference]: Start difference. First operand 11227 states and 14439 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:16,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:16,128 INFO L93 Difference]: Finished difference Result 11705 states and 15143 transitions. [2022-10-16 16:14:16,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:14:16,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-10-16 16:14:16,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:16,144 INFO L225 Difference]: With dead ends: 11705 [2022-10-16 16:14:16,144 INFO L226 Difference]: Without dead ends: 11689 [2022-10-16 16:14:16,148 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 16:14:16,149 INFO L413 NwaCegarLoop]: 8823 mSDtfsCounter, 17918 mSDsluCounter, 10763 mSDsCounter, 0 mSdLazyCounter, 6815 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17918 SdHoareTripleChecker+Valid, 19586 SdHoareTripleChecker+Invalid, 6884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 6815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:16,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17918 Valid, 19586 Invalid, 6884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 6815 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 16:14:16,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11689 states. [2022-10-16 16:14:16,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11689 to 11661. [2022-10-16 16:14:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11661 states, 11215 states have (on average 1.3486402139991083) internal successors, (15125), 11660 states have internal predecessors, (15125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11661 states to 11661 states and 15125 transitions. [2022-10-16 16:14:16,602 INFO L78 Accepts]: Start accepts. Automaton has 11661 states and 15125 transitions. Word has length 92 [2022-10-16 16:14:16,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:16,603 INFO L495 AbstractCegarLoop]: Abstraction has 11661 states and 15125 transitions. [2022-10-16 16:14:16,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 11661 states and 15125 transitions. [2022-10-16 16:14:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:14:16,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:16,616 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] [2022-10-16 16:14:16,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:14:16,616 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2200ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:16,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:16,617 INFO L85 PathProgramCache]: Analyzing trace with hash 357843782, now seen corresponding path program 1 times [2022-10-16 16:14:16,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:16,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231567807] [2022-10-16 16:14:16,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:16,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:16,856 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 16:14:16,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:16,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231567807] [2022-10-16 16:14:16,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231567807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:16,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:16,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:16,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456266397] [2022-10-16 16:14:16,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:16,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:16,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:16,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:16,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:16,859 INFO L87 Difference]: Start difference. First operand 11661 states and 15125 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:22,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:22,435 INFO L93 Difference]: Finished difference Result 11689 states and 15125 transitions. [2022-10-16 16:14:22,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:14:22,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:14:22,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:22,450 INFO L225 Difference]: With dead ends: 11689 [2022-10-16 16:14:22,450 INFO L226 Difference]: Without dead ends: 11675 [2022-10-16 16:14:22,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:14:22,455 INFO L413 NwaCegarLoop]: 8883 mSDtfsCounter, 25485 mSDsluCounter, 13873 mSDsCounter, 0 mSdLazyCounter, 8179 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25485 SdHoareTripleChecker+Valid, 22756 SdHoareTripleChecker+Invalid, 8277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 8179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:22,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25485 Valid, 22756 Invalid, 8277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [98 Valid, 8179 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-16 16:14:22,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11675 states. [2022-10-16 16:14:22,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11675 to 11537. [2022-10-16 16:14:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11537 states, 11103 states have (on average 1.3454922093127983) internal successors, (14939), 11536 states have internal predecessors, (14939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11537 states to 11537 states and 14939 transitions. [2022-10-16 16:14:22,941 INFO L78 Accepts]: Start accepts. Automaton has 11537 states and 14939 transitions. Word has length 93 [2022-10-16 16:14:22,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:22,941 INFO L495 AbstractCegarLoop]: Abstraction has 11537 states and 14939 transitions. [2022-10-16 16:14:22,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 11537 states and 14939 transitions. [2022-10-16 16:14:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:14:22,955 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:22,956 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] [2022-10-16 16:14:22,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:14:22,956 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1618ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:22,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:22,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1838369783, now seen corresponding path program 1 times [2022-10-16 16:14:22,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:22,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890022887] [2022-10-16 16:14:22,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:22,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:23,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:23,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890022887] [2022-10-16 16:14:23,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890022887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:23,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:23,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:23,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120232612] [2022-10-16 16:14:23,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:23,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:23,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:23,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:23,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:23,199 INFO L87 Difference]: Start difference. First operand 11537 states and 14939 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:28,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:28,165 INFO L93 Difference]: Finished difference Result 11903 states and 15459 transitions. [2022-10-16 16:14:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:14:28,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:14:28,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:28,179 INFO L225 Difference]: With dead ends: 11903 [2022-10-16 16:14:28,179 INFO L226 Difference]: Without dead ends: 11889 [2022-10-16 16:14:28,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:14:28,184 INFO L413 NwaCegarLoop]: 8884 mSDtfsCounter, 26110 mSDsluCounter, 11451 mSDsCounter, 0 mSdLazyCounter, 6882 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26110 SdHoareTripleChecker+Valid, 20335 SdHoareTripleChecker+Invalid, 6953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 6882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:28,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26110 Valid, 20335 Invalid, 6953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [71 Valid, 6882 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 16:14:28,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11889 states. [2022-10-16 16:14:28,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11889 to 11861. [2022-10-16 16:14:28,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11861 states, 11439 states have (on average 1.3500305970801643) internal successors, (15443), 11860 states have internal predecessors, (15443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:28,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11861 states to 11861 states and 15443 transitions. [2022-10-16 16:14:28,717 INFO L78 Accepts]: Start accepts. Automaton has 11861 states and 15443 transitions. Word has length 93 [2022-10-16 16:14:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:28,718 INFO L495 AbstractCegarLoop]: Abstraction has 11861 states and 15443 transitions. [2022-10-16 16:14:28,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand 11861 states and 15443 transitions. [2022-10-16 16:14:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:14:28,727 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:28,727 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] [2022-10-16 16:14:28,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:14:28,727 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1168ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:28,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:28,728 INFO L85 PathProgramCache]: Analyzing trace with hash 842358496, now seen corresponding path program 1 times [2022-10-16 16:14:28,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:28,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095533718] [2022-10-16 16:14:28,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:28,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:28,955 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 16:14:28,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:28,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095533718] [2022-10-16 16:14:28,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095533718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:28,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:28,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:28,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882770817] [2022-10-16 16:14:28,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:28,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:14:28,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:28,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:14:28,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:14:28,957 INFO L87 Difference]: Start difference. First operand 11861 states and 15443 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:32,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:32,974 INFO L93 Difference]: Finished difference Result 12109 states and 15809 transitions. [2022-10-16 16:14:32,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:14:32,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:14:32,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:32,989 INFO L225 Difference]: With dead ends: 12109 [2022-10-16 16:14:32,989 INFO L226 Difference]: Without dead ends: 12087 [2022-10-16 16:14:32,993 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 16:14:32,994 INFO L413 NwaCegarLoop]: 8819 mSDtfsCounter, 9529 mSDsluCounter, 8444 mSDsCounter, 0 mSdLazyCounter, 5605 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9529 SdHoareTripleChecker+Valid, 17263 SdHoareTripleChecker+Invalid, 5675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 5605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:32,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9529 Valid, 17263 Invalid, 5675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 5605 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 16:14:33,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12087 states. [2022-10-16 16:14:33,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12087 to 12065. [2022-10-16 16:14:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12065 states, 11663 states have (on average 1.3534253622567092) internal successors, (15785), 12064 states have internal predecessors, (15785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:33,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12065 states to 12065 states and 15785 transitions. [2022-10-16 16:14:33,438 INFO L78 Accepts]: Start accepts. Automaton has 12065 states and 15785 transitions. Word has length 93 [2022-10-16 16:14:33,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:33,438 INFO L495 AbstractCegarLoop]: Abstraction has 12065 states and 15785 transitions. [2022-10-16 16:14:33,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:33,439 INFO L276 IsEmpty]: Start isEmpty. Operand 12065 states and 15785 transitions. [2022-10-16 16:14:33,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:14:33,448 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:33,448 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] [2022-10-16 16:14:33,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:14:33,449 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr997ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:33,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:33,449 INFO L85 PathProgramCache]: Analyzing trace with hash -710850558, now seen corresponding path program 1 times [2022-10-16 16:14:33,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:33,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457361829] [2022-10-16 16:14:33,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:33,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:33,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:33,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457361829] [2022-10-16 16:14:33,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457361829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:33,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:33,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:14:33,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64898247] [2022-10-16 16:14:33,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:33,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:14:33,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:33,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:14:33,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:14:33,663 INFO L87 Difference]: Start difference. First operand 12065 states and 15785 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:38,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:38,155 INFO L93 Difference]: Finished difference Result 13215 states and 17587 transitions. [2022-10-16 16:14:38,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:14:38,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:14:38,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:38,178 INFO L225 Difference]: With dead ends: 13215 [2022-10-16 16:14:38,178 INFO L226 Difference]: Without dead ends: 13199 [2022-10-16 16:14:38,183 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 16:14:38,184 INFO L413 NwaCegarLoop]: 8284 mSDtfsCounter, 21620 mSDsluCounter, 7478 mSDsCounter, 0 mSdLazyCounter, 5585 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21620 SdHoareTripleChecker+Valid, 15762 SdHoareTripleChecker+Invalid, 5792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 5585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:38,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21620 Valid, 15762 Invalid, 5792 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [207 Valid, 5585 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 16:14:38,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13199 states. [2022-10-16 16:14:38,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13199 to 12723. [2022-10-16 16:14:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12723 states, 12335 states have (on average 1.3659505472233482) internal successors, (16849), 12722 states have internal predecessors, (16849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12723 states to 12723 states and 16849 transitions. [2022-10-16 16:14:38,666 INFO L78 Accepts]: Start accepts. Automaton has 12723 states and 16849 transitions. Word has length 93 [2022-10-16 16:14:38,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:38,666 INFO L495 AbstractCegarLoop]: Abstraction has 12723 states and 16849 transitions. [2022-10-16 16:14:38,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 12723 states and 16849 transitions. [2022-10-16 16:14:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:14:38,676 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:38,676 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] [2022-10-16 16:14:38,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:14:38,676 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1619ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:38,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:38,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1154910421, now seen corresponding path program 1 times [2022-10-16 16:14:38,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:38,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139987343] [2022-10-16 16:14:38,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:38,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:38,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:38,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139987343] [2022-10-16 16:14:38,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139987343] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:38,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:38,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:38,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838486309] [2022-10-16 16:14:38,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:38,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:38,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:38,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:38,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:38,917 INFO L87 Difference]: Start difference. First operand 12723 states and 16849 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:43,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:43,972 INFO L93 Difference]: Finished difference Result 14553 states and 19689 transitions. [2022-10-16 16:14:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:14:43,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:14:43,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:43,991 INFO L225 Difference]: With dead ends: 14553 [2022-10-16 16:14:43,991 INFO L226 Difference]: Without dead ends: 14539 [2022-10-16 16:14:43,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:14:43,997 INFO L413 NwaCegarLoop]: 8336 mSDtfsCounter, 30033 mSDsluCounter, 8805 mSDsCounter, 0 mSdLazyCounter, 6084 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30033 SdHoareTripleChecker+Valid, 17141 SdHoareTripleChecker+Invalid, 6314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 6084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:43,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30033 Valid, 17141 Invalid, 6314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [230 Valid, 6084 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 16:14:44,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14539 states. [2022-10-16 16:14:44,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14539 to 14055. [2022-10-16 16:14:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14055 states, 13679 states have (on average 1.3858469186344031) internal successors, (18957), 14054 states have internal predecessors, (18957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14055 states to 14055 states and 18957 transitions. [2022-10-16 16:14:44,657 INFO L78 Accepts]: Start accepts. Automaton has 14055 states and 18957 transitions. Word has length 94 [2022-10-16 16:14:44,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:44,657 INFO L495 AbstractCegarLoop]: Abstraction has 14055 states and 18957 transitions. [2022-10-16 16:14:44,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 14055 states and 18957 transitions. [2022-10-16 16:14:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:14:44,667 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:44,668 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] [2022-10-16 16:14:44,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:14:44,668 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1169ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:44,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash 343326549, now seen corresponding path program 1 times [2022-10-16 16:14:44,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:44,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901629217] [2022-10-16 16:14:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:44,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:44,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:44,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901629217] [2022-10-16 16:14:44,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901629217] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:44,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:44,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:44,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882468506] [2022-10-16 16:14:44,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:44,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:14:44,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:44,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:14:44,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:14:44,838 INFO L87 Difference]: Start difference. First operand 14055 states and 18957 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:48,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:48,941 INFO L93 Difference]: Finished difference Result 14065 states and 18957 transitions. [2022-10-16 16:14:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:14:48,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:14:48,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:48,958 INFO L225 Difference]: With dead ends: 14065 [2022-10-16 16:14:48,958 INFO L226 Difference]: Without dead ends: 14043 [2022-10-16 16:14:48,963 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 16:14:48,964 INFO L413 NwaCegarLoop]: 8292 mSDtfsCounter, 12676 mSDsluCounter, 6828 mSDsCounter, 0 mSdLazyCounter, 5220 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12676 SdHoareTripleChecker+Valid, 15120 SdHoareTripleChecker+Invalid, 5395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 5220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:48,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12676 Valid, 15120 Invalid, 5395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 5220 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-10-16 16:14:48,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14043 states. [2022-10-16 16:14:49,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14043 to 14033. [2022-10-16 16:14:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14033 states, 13679 states have (on average 1.3832151473060896) internal successors, (18921), 14032 states have internal predecessors, (18921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:49,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14033 states to 14033 states and 18921 transitions. [2022-10-16 16:14:49,681 INFO L78 Accepts]: Start accepts. Automaton has 14033 states and 18921 transitions. Word has length 94 [2022-10-16 16:14:49,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:49,681 INFO L495 AbstractCegarLoop]: Abstraction has 14033 states and 18921 transitions. [2022-10-16 16:14:49,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 14033 states and 18921 transitions. [2022-10-16 16:14:49,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:14:49,688 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:49,689 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] [2022-10-16 16:14:49,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:14:49,689 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr998ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:49,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:49,689 INFO L85 PathProgramCache]: Analyzing trace with hash -561516084, now seen corresponding path program 1 times [2022-10-16 16:14:49,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:49,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304176173] [2022-10-16 16:14:49,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:49,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:49,879 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 16:14:49,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:49,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304176173] [2022-10-16 16:14:49,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304176173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:49,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:49,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:49,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415186577] [2022-10-16 16:14:49,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:49,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:49,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:49,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:49,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:49,882 INFO L87 Difference]: Start difference. First operand 14033 states and 18921 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:54,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:54,906 INFO L93 Difference]: Finished difference Result 14285 states and 19271 transitions. [2022-10-16 16:14:54,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:14:54,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:14:54,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:54,924 INFO L225 Difference]: With dead ends: 14285 [2022-10-16 16:14:54,924 INFO L226 Difference]: Without dead ends: 14271 [2022-10-16 16:14:54,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:14:54,929 INFO L413 NwaCegarLoop]: 8793 mSDtfsCounter, 26832 mSDsluCounter, 10975 mSDsCounter, 0 mSdLazyCounter, 6672 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26832 SdHoareTripleChecker+Valid, 19768 SdHoareTripleChecker+Invalid, 6740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 6672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:54,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26832 Valid, 19768 Invalid, 6740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [68 Valid, 6672 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-16 16:14:54,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14271 states. [2022-10-16 16:14:55,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14271 to 14245. [2022-10-16 16:14:55,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14245 states, 13903 states have (on average 1.3849528878659283) internal successors, (19255), 14244 states have internal predecessors, (19255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14245 states to 14245 states and 19255 transitions. [2022-10-16 16:14:55,558 INFO L78 Accepts]: Start accepts. Automaton has 14245 states and 19255 transitions. Word has length 94 [2022-10-16 16:14:55,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:55,559 INFO L495 AbstractCegarLoop]: Abstraction has 14245 states and 19255 transitions. [2022-10-16 16:14:55,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 14245 states and 19255 transitions. [2022-10-16 16:14:55,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:14:55,567 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:55,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:55,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:14:55,567 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2202ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:14:55,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:55,568 INFO L85 PathProgramCache]: Analyzing trace with hash 291416968, now seen corresponding path program 1 times [2022-10-16 16:14:55,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:55,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976066421] [2022-10-16 16:14:55,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:55,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:55,877 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 16:14:55,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:55,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976066421] [2022-10-16 16:14:55,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976066421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:55,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:55,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:14:55,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954716197] [2022-10-16 16:14:55,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:55,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:14:55,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:55,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:14:55,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:14:55,880 INFO L87 Difference]: Start difference. First operand 14245 states and 19255 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:01,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:01,691 INFO L93 Difference]: Finished difference Result 19209 states and 27039 transitions. [2022-10-16 16:15:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:15:01,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 16:15:01,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:01,709 INFO L225 Difference]: With dead ends: 19209 [2022-10-16 16:15:01,709 INFO L226 Difference]: Without dead ends: 14483 [2022-10-16 16:15:01,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:15:01,719 INFO L413 NwaCegarLoop]: 8845 mSDtfsCounter, 33030 mSDsluCounter, 14195 mSDsCounter, 0 mSdLazyCounter, 7935 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33030 SdHoareTripleChecker+Valid, 23040 SdHoareTripleChecker+Invalid, 7995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 7935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:01,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33030 Valid, 23040 Invalid, 7995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [60 Valid, 7935 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 16:15:01,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14483 states. [2022-10-16 16:15:02,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14483 to 14461. [2022-10-16 16:15:02,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14461 states, 14127 states have (on average 1.3862108020103348) internal successors, (19583), 14460 states have internal predecessors, (19583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14461 states to 14461 states and 19583 transitions. [2022-10-16 16:15:02,438 INFO L78 Accepts]: Start accepts. Automaton has 14461 states and 19583 transitions. Word has length 95 [2022-10-16 16:15:02,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:02,439 INFO L495 AbstractCegarLoop]: Abstraction has 14461 states and 19583 transitions. [2022-10-16 16:15:02,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 14461 states and 19583 transitions. [2022-10-16 16:15:02,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:15:02,448 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:02,448 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] [2022-10-16 16:15:02,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:15:02,448 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1620ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:15:02,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:02,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1442506681, now seen corresponding path program 1 times [2022-10-16 16:15:02,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:02,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717355591] [2022-10-16 16:15:02,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:02,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:02,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:02,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717355591] [2022-10-16 16:15:02,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717355591] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:02,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:02,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:02,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864773835] [2022-10-16 16:15:02,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:02,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:02,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:02,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:02,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:02,721 INFO L87 Difference]: Start difference. First operand 14461 states and 19583 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:08,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:08,537 INFO L93 Difference]: Finished difference Result 18977 states and 26667 transitions. [2022-10-16 16:15:08,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:15:08,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 16:15:08,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:08,556 INFO L225 Difference]: With dead ends: 18977 [2022-10-16 16:15:08,556 INFO L226 Difference]: Without dead ends: 14699 [2022-10-16 16:15:08,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:15:08,568 INFO L413 NwaCegarLoop]: 8846 mSDtfsCounter, 33509 mSDsluCounter, 13903 mSDsCounter, 0 mSdLazyCounter, 7887 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33509 SdHoareTripleChecker+Valid, 22749 SdHoareTripleChecker+Invalid, 7934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 7887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:08,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33509 Valid, 22749 Invalid, 7934 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [47 Valid, 7887 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 16:15:08,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14699 states. [2022-10-16 16:15:09,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14699 to 14677. [2022-10-16 16:15:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14677 states, 14351 states have (on average 1.3874294474252666) internal successors, (19911), 14676 states have internal predecessors, (19911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:09,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14677 states to 14677 states and 19911 transitions. [2022-10-16 16:15:09,281 INFO L78 Accepts]: Start accepts. Automaton has 14677 states and 19911 transitions. Word has length 95 [2022-10-16 16:15:09,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:09,281 INFO L495 AbstractCegarLoop]: Abstraction has 14677 states and 19911 transitions. [2022-10-16 16:15:09,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:09,281 INFO L276 IsEmpty]: Start isEmpty. Operand 14677 states and 19911 transitions. [2022-10-16 16:15:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:15:09,288 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:09,288 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] [2022-10-16 16:15:09,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:15:09,289 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1170ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:15:09,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:09,289 INFO L85 PathProgramCache]: Analyzing trace with hash 2053205378, now seen corresponding path program 1 times [2022-10-16 16:15:09,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:09,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637407971] [2022-10-16 16:15:09,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:09,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:09,507 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 16:15:09,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:09,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637407971] [2022-10-16 16:15:09,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637407971] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:09,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:09,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:09,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140143008] [2022-10-16 16:15:09,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:09,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:09,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:09,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:09,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:09,509 INFO L87 Difference]: Start difference. First operand 14677 states and 19911 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:14,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:14,045 INFO L93 Difference]: Finished difference Result 14929 states and 20269 transitions. [2022-10-16 16:15:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:15:14,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 16:15:14,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:14,068 INFO L225 Difference]: With dead ends: 14929 [2022-10-16 16:15:14,068 INFO L226 Difference]: Without dead ends: 14909 [2022-10-16 16:15:14,073 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 16:15:14,074 INFO L413 NwaCegarLoop]: 8791 mSDtfsCounter, 19408 mSDsluCounter, 8678 mSDsCounter, 0 mSdLazyCounter, 5574 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19408 SdHoareTripleChecker+Valid, 17469 SdHoareTripleChecker+Invalid, 5641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 5574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:14,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19408 Valid, 17469 Invalid, 5641 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [67 Valid, 5574 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-16 16:15:14,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14909 states. [2022-10-16 16:15:14,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14909 to 14883. [2022-10-16 16:15:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14883 states, 14575 states have (on average 1.3891595197255575) internal successors, (20247), 14882 states have internal predecessors, (20247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:14,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 20247 transitions. [2022-10-16 16:15:14,828 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 20247 transitions. Word has length 95 [2022-10-16 16:15:14,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:14,828 INFO L495 AbstractCegarLoop]: Abstraction has 14883 states and 20247 transitions. [2022-10-16 16:15:14,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 20247 transitions. [2022-10-16 16:15:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:15:14,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:14,838 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] [2022-10-16 16:15:14,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:15:14,838 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr999ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:15:14,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:14,839 INFO L85 PathProgramCache]: Analyzing trace with hash -227114684, now seen corresponding path program 1 times [2022-10-16 16:15:14,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:14,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324055609] [2022-10-16 16:15:14,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:14,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:15,021 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 16:15:15,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:15,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324055609] [2022-10-16 16:15:15,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324055609] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:15,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:15,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:15:15,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79808307] [2022-10-16 16:15:15,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:15,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:15:15,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:15,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:15:15,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:15:15,024 INFO L87 Difference]: Start difference. First operand 14883 states and 20247 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:20,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:20,742 INFO L93 Difference]: Finished difference Result 16267 states and 22391 transitions. [2022-10-16 16:15:20,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:15:20,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 16:15:20,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:20,763 INFO L225 Difference]: With dead ends: 16267 [2022-10-16 16:15:20,763 INFO L226 Difference]: Without dead ends: 16251 [2022-10-16 16:15:20,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:15:20,769 INFO L413 NwaCegarLoop]: 8289 mSDtfsCounter, 29316 mSDsluCounter, 10370 mSDsCounter, 0 mSdLazyCounter, 6847 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29316 SdHoareTripleChecker+Valid, 18659 SdHoareTripleChecker+Invalid, 7079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 6847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:20,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29316 Valid, 18659 Invalid, 7079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [232 Valid, 6847 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-16 16:15:20,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16251 states. [2022-10-16 16:15:21,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16251 to 16213. [2022-10-16 16:15:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16213 states, 15919 states have (on average 1.4039198442113199) internal successors, (22349), 16212 states have internal predecessors, (22349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16213 states to 16213 states and 22349 transitions. [2022-10-16 16:15:21,724 INFO L78 Accepts]: Start accepts. Automaton has 16213 states and 22349 transitions. Word has length 95 [2022-10-16 16:15:21,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:21,724 INFO L495 AbstractCegarLoop]: Abstraction has 16213 states and 22349 transitions. [2022-10-16 16:15:21,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 16213 states and 22349 transitions. [2022-10-16 16:15:21,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:15:21,734 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:21,734 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] [2022-10-16 16:15:21,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:15:21,735 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr948ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:15:21,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:21,735 INFO L85 PathProgramCache]: Analyzing trace with hash 305166828, now seen corresponding path program 1 times [2022-10-16 16:15:21,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:21,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668618051] [2022-10-16 16:15:21,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:21,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:21,877 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 16:15:21,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:21,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668618051] [2022-10-16 16:15:21,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668618051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:21,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:21,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:21,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655916860] [2022-10-16 16:15:21,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:21,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:21,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:21,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:21,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:21,880 INFO L87 Difference]: Start difference. First operand 16213 states and 22349 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:25,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:25,263 INFO L93 Difference]: Finished difference Result 16909 states and 23435 transitions. [2022-10-16 16:15:25,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:15:25,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 16:15:25,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:25,284 INFO L225 Difference]: With dead ends: 16909 [2022-10-16 16:15:25,285 INFO L226 Difference]: Without dead ends: 16897 [2022-10-16 16:15:25,290 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 16:15:25,291 INFO L413 NwaCegarLoop]: 10697 mSDtfsCounter, 2582 mSDsluCounter, 7894 mSDsCounter, 0 mSdLazyCounter, 3127 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 18591 SdHoareTripleChecker+Invalid, 3214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:25,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 18591 Invalid, 3214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3127 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 16:15:25,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16897 states. [2022-10-16 16:15:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16897 to 16203. [2022-10-16 16:15:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16203 states, 15919 states have (on average 1.4010302154657956) internal successors, (22303), 16202 states have internal predecessors, (22303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16203 states to 16203 states and 22303 transitions. [2022-10-16 16:15:26,259 INFO L78 Accepts]: Start accepts. Automaton has 16203 states and 22303 transitions. Word has length 95 [2022-10-16 16:15:26,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:26,259 INFO L495 AbstractCegarLoop]: Abstraction has 16203 states and 22303 transitions. [2022-10-16 16:15:26,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 16203 states and 22303 transitions. [2022-10-16 16:15:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:15:26,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:26,271 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] [2022-10-16 16:15:26,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:15:26,272 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2203ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:15:26,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:26,272 INFO L85 PathProgramCache]: Analyzing trace with hash 444020362, now seen corresponding path program 1 times [2022-10-16 16:15:26,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:26,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99039324] [2022-10-16 16:15:26,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:26,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:26,473 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 16:15:26,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:26,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99039324] [2022-10-16 16:15:26,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99039324] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:26,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:26,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:26,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648852540] [2022-10-16 16:15:26,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:26,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:26,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:26,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:26,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:26,476 INFO L87 Difference]: Start difference. First operand 16203 states and 22303 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:32,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:32,444 INFO L93 Difference]: Finished difference Result 18595 states and 25967 transitions. [2022-10-16 16:15:32,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:15:32,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 16:15:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:32,467 INFO L225 Difference]: With dead ends: 18595 [2022-10-16 16:15:32,468 INFO L226 Difference]: Without dead ends: 18585 [2022-10-16 16:15:32,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:15:32,475 INFO L413 NwaCegarLoop]: 8376 mSDtfsCounter, 37563 mSDsluCounter, 10834 mSDsCounter, 0 mSdLazyCounter, 6771 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37563 SdHoareTripleChecker+Valid, 19210 SdHoareTripleChecker+Invalid, 7046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 6771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:32,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37563 Valid, 19210 Invalid, 7046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [275 Valid, 6771 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-16 16:15:32,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18585 states. [2022-10-16 16:15:33,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18585 to 17653. [2022-10-16 16:15:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17653 states, 17377 states have (on average 1.414053058640732) internal successors, (24572), 17652 states have internal predecessors, (24572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17653 states to 17653 states and 24572 transitions. [2022-10-16 16:15:33,581 INFO L78 Accepts]: Start accepts. Automaton has 17653 states and 24572 transitions. Word has length 96 [2022-10-16 16:15:33,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:33,582 INFO L495 AbstractCegarLoop]: Abstraction has 17653 states and 24572 transitions. [2022-10-16 16:15:33,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:33,582 INFO L276 IsEmpty]: Start isEmpty. Operand 17653 states and 24572 transitions. [2022-10-16 16:15:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:15:33,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:33,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:33,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:15:33,592 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1621ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:15:33,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:33,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1768056151, now seen corresponding path program 1 times [2022-10-16 16:15:33,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:33,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835726571] [2022-10-16 16:15:33,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:33,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:33,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:33,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835726571] [2022-10-16 16:15:33,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835726571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:33,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:33,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:33,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535130059] [2022-10-16 16:15:33,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:33,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:33,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:33,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:33,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:33,796 INFO L87 Difference]: Start difference. First operand 17653 states and 24572 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:40,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:40,027 INFO L93 Difference]: Finished difference Result 20834 states and 29467 transitions. [2022-10-16 16:15:40,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:15:40,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 16:15:40,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:40,049 INFO L225 Difference]: With dead ends: 20834 [2022-10-16 16:15:40,049 INFO L226 Difference]: Without dead ends: 20820 [2022-10-16 16:15:40,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:15:40,054 INFO L413 NwaCegarLoop]: 8375 mSDtfsCounter, 37651 mSDsluCounter, 10855 mSDsCounter, 0 mSdLazyCounter, 6791 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37651 SdHoareTripleChecker+Valid, 19230 SdHoareTripleChecker+Invalid, 7050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 6791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:40,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37651 Valid, 19230 Invalid, 7050 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [259 Valid, 6791 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-16 16:15:40,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20820 states. [2022-10-16 16:15:41,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20820 to 19770. [2022-10-16 16:15:41,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19770 states, 19506 states have (on average 1.4298164667281863) internal successors, (27890), 19769 states have internal predecessors, (27890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:41,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19770 states to 19770 states and 27890 transitions. [2022-10-16 16:15:41,399 INFO L78 Accepts]: Start accepts. Automaton has 19770 states and 27890 transitions. Word has length 96 [2022-10-16 16:15:41,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:41,400 INFO L495 AbstractCegarLoop]: Abstraction has 19770 states and 27890 transitions. [2022-10-16 16:15:41,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:41,400 INFO L276 IsEmpty]: Start isEmpty. Operand 19770 states and 27890 transitions. [2022-10-16 16:15:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:15:41,406 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:41,407 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] [2022-10-16 16:15:41,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:15:41,407 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1171ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:15:41,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:41,408 INFO L85 PathProgramCache]: Analyzing trace with hash -775125769, now seen corresponding path program 1 times [2022-10-16 16:15:41,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:41,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535892600] [2022-10-16 16:15:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:41,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:41,565 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 16:15:41,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:41,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535892600] [2022-10-16 16:15:41,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535892600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:41,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:41,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:41,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638539650] [2022-10-16 16:15:41,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:41,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:41,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:41,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:41,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:41,568 INFO L87 Difference]: Start difference. First operand 19770 states and 27890 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:46,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:46,845 INFO L93 Difference]: Finished difference Result 21142 states and 30050 transitions. [2022-10-16 16:15:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:15:46,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 16:15:46,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:46,871 INFO L225 Difference]: With dead ends: 21142 [2022-10-16 16:15:46,871 INFO L226 Difference]: Without dead ends: 21120 [2022-10-16 16:15:46,877 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 16:15:46,878 INFO L413 NwaCegarLoop]: 8347 mSDtfsCounter, 20606 mSDsluCounter, 8111 mSDsCounter, 0 mSdLazyCounter, 5702 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20606 SdHoareTripleChecker+Valid, 16458 SdHoareTripleChecker+Invalid, 5919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 5702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:46,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20606 Valid, 16458 Invalid, 5919 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [217 Valid, 5702 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 16:15:46,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21120 states. [2022-10-16 16:15:48,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21120 to 21094. [2022-10-16 16:15:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21094 states, 20850 states have (on average 1.4389448441247001) internal successors, (30002), 21093 states have internal predecessors, (30002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21094 states to 21094 states and 30002 transitions. [2022-10-16 16:15:48,291 INFO L78 Accepts]: Start accepts. Automaton has 21094 states and 30002 transitions. Word has length 96 [2022-10-16 16:15:48,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:48,292 INFO L495 AbstractCegarLoop]: Abstraction has 21094 states and 30002 transitions. [2022-10-16 16:15:48,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:48,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21094 states and 30002 transitions. [2022-10-16 16:15:48,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:15:48,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:48,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:48,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:15:48,299 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1000ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:15:48,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:48,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1549394126, now seen corresponding path program 1 times [2022-10-16 16:15:48,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:48,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115053892] [2022-10-16 16:15:48,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:48,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:48,526 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 16:15:48,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:48,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115053892] [2022-10-16 16:15:48,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115053892] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:48,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:48,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:48,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112230636] [2022-10-16 16:15:48,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:48,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:48,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:48,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:48,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:48,528 INFO L87 Difference]: Start difference. First operand 21094 states and 30002 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:55,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:55,479 INFO L93 Difference]: Finished difference Result 31434 states and 46226 transitions. [2022-10-16 16:15:55,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:15:55,480 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 16:15:55,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:55,503 INFO L225 Difference]: With dead ends: 31434 [2022-10-16 16:15:55,504 INFO L226 Difference]: Without dead ends: 21332 [2022-10-16 16:15:55,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:15:55,518 INFO L413 NwaCegarLoop]: 8749 mSDtfsCounter, 33803 mSDsluCounter, 15148 mSDsCounter, 0 mSdLazyCounter, 8843 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33803 SdHoareTripleChecker+Valid, 23897 SdHoareTripleChecker+Invalid, 8909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 8843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:55,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33803 Valid, 23897 Invalid, 8909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [66 Valid, 8843 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-10-16 16:15:55,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21332 states. [2022-10-16 16:15:56,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21332 to 21310. [2022-10-16 16:15:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21310 states, 21074 states have (on average 1.4392141975894468) internal successors, (30330), 21309 states have internal predecessors, (30330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21310 states to 21310 states and 30330 transitions. [2022-10-16 16:15:56,986 INFO L78 Accepts]: Start accepts. Automaton has 21310 states and 30330 transitions. Word has length 96 [2022-10-16 16:15:56,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:56,987 INFO L495 AbstractCegarLoop]: Abstraction has 21310 states and 30330 transitions. [2022-10-16 16:15:56,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:56,987 INFO L276 IsEmpty]: Start isEmpty. Operand 21310 states and 30330 transitions. [2022-10-16 16:15:56,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:15:56,996 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:56,996 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] [2022-10-16 16:15:56,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:15:56,996 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr178ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:15:56,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:56,997 INFO L85 PathProgramCache]: Analyzing trace with hash -994254448, now seen corresponding path program 1 times [2022-10-16 16:15:56,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:56,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127605086] [2022-10-16 16:15:56,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:56,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:57,178 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 16:15:57,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:57,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127605086] [2022-10-16 16:15:57,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127605086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:57,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:57,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:57,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893113942] [2022-10-16 16:15:57,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:57,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:57,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:57,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:57,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:57,186 INFO L87 Difference]: Start difference. First operand 21310 states and 30330 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:02,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:02,187 INFO L93 Difference]: Finished difference Result 22680 states and 32442 transitions. [2022-10-16 16:16:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:16:02,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 16:16:02,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:02,213 INFO L225 Difference]: With dead ends: 22680 [2022-10-16 16:16:02,214 INFO L226 Difference]: Without dead ends: 22674 [2022-10-16 16:16:02,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:16:02,219 INFO L413 NwaCegarLoop]: 8873 mSDtfsCounter, 9577 mSDsluCounter, 9458 mSDsCounter, 0 mSdLazyCounter, 5580 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9577 SdHoareTripleChecker+Valid, 18331 SdHoareTripleChecker+Invalid, 5655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 5580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:02,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9577 Valid, 18331 Invalid, 5655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 5580 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 16:16:02,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22674 states. [2022-10-16 16:16:03,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22674 to 21978. [2022-10-16 16:16:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21978 states, 21746 states have (on average 1.4415524694196633) internal successors, (31348), 21977 states have internal predecessors, (31348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21978 states to 21978 states and 31348 transitions. [2022-10-16 16:16:03,757 INFO L78 Accepts]: Start accepts. Automaton has 21978 states and 31348 transitions. Word has length 96 [2022-10-16 16:16:03,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:03,757 INFO L495 AbstractCegarLoop]: Abstraction has 21978 states and 31348 transitions. [2022-10-16 16:16:03,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 21978 states and 31348 transitions. [2022-10-16 16:16:03,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:16:03,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:03,764 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] [2022-10-16 16:16:03,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:16:03,764 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2260ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:16:03,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:03,765 INFO L85 PathProgramCache]: Analyzing trace with hash -732498636, now seen corresponding path program 1 times [2022-10-16 16:16:03,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:03,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210875671] [2022-10-16 16:16:03,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:03,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:03,968 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 16:16:03,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:03,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210875671] [2022-10-16 16:16:03,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210875671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:03,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:03,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:16:03,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164341662] [2022-10-16 16:16:03,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:03,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:16:03,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:03,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:16:03,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:16:03,972 INFO L87 Difference]: Start difference. First operand 21978 states and 31348 transitions. Second operand has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:10,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:10,883 INFO L93 Difference]: Finished difference Result 34666 states and 51178 transitions. [2022-10-16 16:16:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:16:10,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 16:16:10,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:10,906 INFO L225 Difference]: With dead ends: 34666 [2022-10-16 16:16:10,906 INFO L226 Difference]: Without dead ends: 21980 [2022-10-16 16:16:10,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:16:10,925 INFO L413 NwaCegarLoop]: 8774 mSDtfsCounter, 32817 mSDsluCounter, 16578 mSDsCounter, 0 mSdLazyCounter, 8689 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32817 SdHoareTripleChecker+Valid, 25352 SdHoareTripleChecker+Invalid, 8773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 8689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:10,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32817 Valid, 25352 Invalid, 8773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [84 Valid, 8689 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-16 16:16:10,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21980 states. [2022-10-16 16:16:12,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21980 to 21962. [2022-10-16 16:16:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21962 states, 21746 states have (on average 1.4406787455164167) internal successors, (31329), 21961 states have internal predecessors, (31329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21962 states to 21962 states and 31329 transitions. [2022-10-16 16:16:12,326 INFO L78 Accepts]: Start accepts. Automaton has 21962 states and 31329 transitions. Word has length 97 [2022-10-16 16:16:12,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:12,326 INFO L495 AbstractCegarLoop]: Abstraction has 21962 states and 31329 transitions. [2022-10-16 16:16:12,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:12,326 INFO L276 IsEmpty]: Start isEmpty. Operand 21962 states and 31329 transitions. [2022-10-16 16:16:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:16:12,333 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:12,333 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] [2022-10-16 16:16:12,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:16:12,334 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1514ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2501 more)] === [2022-10-16 16:16:12,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:12,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1826426354, now seen corresponding path program 1 times [2022-10-16 16:16:12,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:12,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280357140] [2022-10-16 16:16:12,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:12,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:12,556 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 16:16:12,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:12,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280357140] [2022-10-16 16:16:12,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280357140] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:12,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:12,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:16:12,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272926887] [2022-10-16 16:16:12,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:12,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:16:12,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:12,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:16:12,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:16:12,559 INFO L87 Difference]: Start difference. First operand 21962 states and 31329 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:19,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:19,553 INFO L93 Difference]: Finished difference Result 22658 states and 32365 transitions. [2022-10-16 16:16:19,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:16:19,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 16:16:19,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:19,581 INFO L225 Difference]: With dead ends: 22658 [2022-10-16 16:16:19,582 INFO L226 Difference]: Without dead ends: 22650 [2022-10-16 16:16:19,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:16:19,589 INFO L413 NwaCegarLoop]: 8925 mSDtfsCounter, 17616 mSDsluCounter, 19250 mSDsCounter, 0 mSdLazyCounter, 9107 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17616 SdHoareTripleChecker+Valid, 28175 SdHoareTripleChecker+Invalid, 9158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 9107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:19,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17616 Valid, 28175 Invalid, 9158 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [51 Valid, 9107 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-10-16 16:16:19,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22650 states.