/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.BOUNDED-10.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:11:53,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:11:53,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:11:53,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 16:11:53,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:11:53,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:11:53,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:11:53,182 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 16:11:53,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:11:53,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:11:53,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:11:53,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:11:53,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:11:53,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:11:53,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:11:53,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:11:53,249 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:11:53,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:11:53,250 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:11:53,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:11:53,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:11:53,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:11:53,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:11:53,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:11:53,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:11:53,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:11:53,252 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:11:53,252 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:11:53,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:11:53,253 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:11:53,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:11:53,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:11:53,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:11:53,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:11:53,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:11:53,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:11:53,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:11:53,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:11:53,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:11:53,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:11:53,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:11:53,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:11:53,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:11:53,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:11:53,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:11:53,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:11:53,698 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:11:53,699 INFO L432 ainManager$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.BOUNDED-10.pals.c.v+sep-reducer.c [2022-10-16 16:11:53,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5574dcaca/a6b0efde5087446bb6bd699e685e0a10/FLAGa95f746dd [2022-10-16 16:11:55,211 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:11:55,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-10-16 16:11:55,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5574dcaca/a6b0efde5087446bb6bd699e685e0a10/FLAGa95f746dd [2022-10-16 16:11:55,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5574dcaca/a6b0efde5087446bb6bd699e685e0a10 [2022-10-16 16:11:55,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:11:55,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:11:55,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:11:55,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:11:55,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:11:55,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:11:55" (1/1) ... [2022-10-16 16:11:55,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f30312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:11:55, skipping insertion in model container [2022-10-16 16:11:55,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:11:55" (1/1) ... [2022-10-16 16:11:55,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:11:56,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:11:57,300 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.BOUNDED-10.pals.c.v+sep-reducer.c[93880,93893] [2022-10-16 16:11:57,486 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.BOUNDED-10.pals.c.v+sep-reducer.c[127977,127990] [2022-10-16 16:11:57,671 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.BOUNDED-10.pals.c.v+sep-reducer.c[184673,184686] [2022-10-16 16:11:57,780 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.BOUNDED-10.pals.c.v+sep-reducer.c[220032,220045] [2022-10-16 16:11:57,809 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.BOUNDED-10.pals.c.v+sep-reducer.c[229801,229814] [2022-10-16 16:11:57,818 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.BOUNDED-10.pals.c.v+sep-reducer.c[232051,232064] [2022-10-16 16:11:57,875 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.BOUNDED-10.pals.c.v+sep-reducer.c[249702,249715] [2022-10-16 16:11:57,901 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.BOUNDED-10.pals.c.v+sep-reducer.c[257723,257736] [2022-10-16 16:11:58,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[288453,288466] [2022-10-16 16:11:58,153 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.BOUNDED-10.pals.c.v+sep-reducer.c[318193,318206] [2022-10-16 16:11:58,453 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.BOUNDED-10.pals.c.v+sep-reducer.c[406252,406265] [2022-10-16 16:11:58,524 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.BOUNDED-10.pals.c.v+sep-reducer.c[425331,425344] [2022-10-16 16:11:58,596 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.BOUNDED-10.pals.c.v+sep-reducer.c[445911,445924] [2022-10-16 16:11:58,622 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.BOUNDED-10.pals.c.v+sep-reducer.c[453486,453499] [2022-10-16 16:11:58,636 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.BOUNDED-10.pals.c.v+sep-reducer.c[457284,457297] [2022-10-16 16:11:58,682 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.BOUNDED-10.pals.c.v+sep-reducer.c[472883,472896] [2022-10-16 16:11:58,734 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.BOUNDED-10.pals.c.v+sep-reducer.c[488771,488784] [2022-10-16 16:11:58,845 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.BOUNDED-10.pals.c.v+sep-reducer.c[523323,523336] [2022-10-16 16:11:59,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[617972,617985] [2022-10-16 16:11:59,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:11:59,507 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:11:59,769 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.BOUNDED-10.pals.c.v+sep-reducer.c[93880,93893] [2022-10-16 16:11:59,858 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.BOUNDED-10.pals.c.v+sep-reducer.c[127977,127990] [2022-10-16 16:11:59,996 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.BOUNDED-10.pals.c.v+sep-reducer.c[184673,184686] [2022-10-16 16:12:00,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[220032,220045] [2022-10-16 16:12:00,104 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.BOUNDED-10.pals.c.v+sep-reducer.c[229801,229814] [2022-10-16 16:12:00,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[232051,232064] [2022-10-16 16:12:00,158 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.BOUNDED-10.pals.c.v+sep-reducer.c[249702,249715] [2022-10-16 16:12:00,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[257723,257736] [2022-10-16 16:12:00,261 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.BOUNDED-10.pals.c.v+sep-reducer.c[288453,288466] [2022-10-16 16:12:00,410 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.BOUNDED-10.pals.c.v+sep-reducer.c[318193,318206] [2022-10-16 16:12:00,636 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.BOUNDED-10.pals.c.v+sep-reducer.c[406252,406265] [2022-10-16 16:12:00,685 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.BOUNDED-10.pals.c.v+sep-reducer.c[425331,425344] [2022-10-16 16:12:00,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[445911,445924] [2022-10-16 16:12:00,751 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.BOUNDED-10.pals.c.v+sep-reducer.c[453486,453499] [2022-10-16 16:12:00,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[457284,457297] [2022-10-16 16:12:00,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[472883,472896] [2022-10-16 16:12:00,845 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.BOUNDED-10.pals.c.v+sep-reducer.c[488771,488784] [2022-10-16 16:12:00,936 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.BOUNDED-10.pals.c.v+sep-reducer.c[523323,523336] [2022-10-16 16:12:01,166 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.BOUNDED-10.pals.c.v+sep-reducer.c[617972,617985] [2022-10-16 16:12:01,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:12:01,529 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:12:01,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01 WrapperNode [2022-10-16 16:12:01,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:12:01,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:12:01,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:12:01,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:12:01,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:01,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:02,423 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32664 [2022-10-16 16:12:02,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:12:02,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:12:02,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:12:02,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:12:02,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:02,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:02,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:02,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:02,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:03,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:03,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:03,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:03,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:12:03,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:12:03,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:12:03,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:12:03,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (1/1) ... [2022-10-16 16:12:03,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:12:03,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:12:03,417 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 16:12:03,430 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 16:12:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:12:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:12:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:12:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:12:04,273 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:12:04,276 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:12:20,558 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:12:20,654 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:12:20,654 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:12:20,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:12:20 BoogieIcfgContainer [2022-10-16 16:12:20,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:12:20,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:12:20,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:12:20,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:12:20,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:11:55" (1/3) ... [2022-10-16 16:12:20,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66336231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:12:20, skipping insertion in model container [2022-10-16 16:12:20,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:01" (2/3) ... [2022-10-16 16:12:20,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66336231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:12:20, skipping insertion in model container [2022-10-16 16:12:20,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:12:20" (3/3) ... [2022-10-16 16:12:20,680 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-10-16 16:12:20,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:12:20,707 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2900 error locations. [2022-10-16 16:12:20,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:12:20,956 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;@23a7e1b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:12:20,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2900 error locations. [2022-10-16 16:12:20,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 12108 states, 9207 states have (on average 1.8459867492125557) internal successors, (16996), 12107 states have internal predecessors, (16996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:21,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:12:21,001 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:21,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:12:21,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:12:21,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:21,008 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:12:21,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:21,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550857626] [2022-10-16 16:12:21,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:21,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:21,595 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 16:12:21,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:21,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550857626] [2022-10-16 16:12:21,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550857626] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:21,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:21,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:12:21,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297871064] [2022-10-16 16:12:21,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:21,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:12:21,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:21,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:12:21,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:12:21,683 INFO L87 Difference]: Start difference. First operand has 12108 states, 9207 states have (on average 1.8459867492125557) internal successors, (16996), 12107 states have internal predecessors, (16996), 0 states have call successors, (0), 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 16:12:22,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:22,218 INFO L93 Difference]: Finished difference Result 12111 states and 16998 transitions. [2022-10-16 16:12:22,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:12:22,222 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 16:12:22,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:22,340 INFO L225 Difference]: With dead ends: 12111 [2022-10-16 16:12:22,341 INFO L226 Difference]: Without dead ends: 12085 [2022-10-16 16:12:22,360 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 16:12:22,372 INFO L413 NwaCegarLoop]: 16969 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, 16969 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:22,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16969 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:12:22,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12085 states. [2022-10-16 16:12:22,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12085 to 12085. [2022-10-16 16:12:22,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12085 states, 9193 states have (on average 1.5188730555857717) internal successors, (13963), 12084 states have internal predecessors, (13963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12085 states to 12085 states and 13963 transitions. [2022-10-16 16:12:22,837 INFO L78 Accepts]: Start accepts. Automaton has 12085 states and 13963 transitions. Word has length 4 [2022-10-16 16:12:22,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:22,837 INFO L495 AbstractCegarLoop]: Abstraction has 12085 states and 13963 transitions. [2022-10-16 16:12:22,838 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 16:12:22,840 INFO L276 IsEmpty]: Start isEmpty. Operand 12085 states and 13963 transitions. [2022-10-16 16:12:22,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:12:22,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:22,854 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 16:12:22,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:12:22,854 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2198ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:12:22,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:22,855 INFO L85 PathProgramCache]: Analyzing trace with hash -675459544, now seen corresponding path program 1 times [2022-10-16 16:12:22,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:22,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675868640] [2022-10-16 16:12:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:22,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:23,264 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 16:12:23,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:23,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675868640] [2022-10-16 16:12:23,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675868640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:23,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:23,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:12:23,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377291183] [2022-10-16 16:12:23,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:23,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:12:23,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:23,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:12:23,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:23,269 INFO L87 Difference]: Start difference. First operand 12085 states and 13963 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 16:12:28,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:28,929 INFO L93 Difference]: Finished difference Result 12381 states and 14371 transitions. [2022-10-16 16:12:28,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:28,930 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 16:12:28,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:28,996 INFO L225 Difference]: With dead ends: 12381 [2022-10-16 16:12:28,996 INFO L226 Difference]: Without dead ends: 12157 [2022-10-16 16:12:29,007 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 16:12:29,010 INFO L413 NwaCegarLoop]: 9921 mSDtfsCounter, 22877 mSDsluCounter, 3565 mSDsCounter, 0 mSdLazyCounter, 5438 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22877 SdHoareTripleChecker+Valid, 13486 SdHoareTripleChecker+Invalid, 5715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 5438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:29,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22877 Valid, 13486 Invalid, 5715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [277 Valid, 5438 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-16 16:12:29,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12157 states. [2022-10-16 16:12:29,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12157 to 12000. [2022-10-16 16:12:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12000 states, 9330 states have (on average 1.4952840300107182) internal successors, (13951), 11999 states have internal predecessors, (13951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:29,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12000 states to 12000 states and 13951 transitions. [2022-10-16 16:12:29,461 INFO L78 Accepts]: Start accepts. Automaton has 12000 states and 13951 transitions. Word has length 59 [2022-10-16 16:12:29,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:29,462 INFO L495 AbstractCegarLoop]: Abstraction has 12000 states and 13951 transitions. [2022-10-16 16:12:29,462 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 16:12:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 12000 states and 13951 transitions. [2022-10-16 16:12:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:12:29,470 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:29,470 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 16:12:29,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:12:29,471 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2199ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:12:29,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:29,473 INFO L85 PathProgramCache]: Analyzing trace with hash 535616865, now seen corresponding path program 1 times [2022-10-16 16:12:29,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:29,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59073741] [2022-10-16 16:12:29,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:29,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:29,855 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 16:12:29,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:29,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59073741] [2022-10-16 16:12:29,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59073741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:29,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:29,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:12:29,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474775072] [2022-10-16 16:12:29,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:29,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:12:29,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:29,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:12:29,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:29,858 INFO L87 Difference]: Start difference. First operand 12000 states and 13951 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 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 16:12:34,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:34,779 INFO L93 Difference]: Finished difference Result 12139 states and 14147 transitions. [2022-10-16 16:12:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:12:34,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 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 16:12:34,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:34,829 INFO L225 Difference]: With dead ends: 12139 [2022-10-16 16:12:34,829 INFO L226 Difference]: Without dead ends: 11887 [2022-10-16 16:12:34,836 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 16:12:34,838 INFO L413 NwaCegarLoop]: 9341 mSDtfsCounter, 25771 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 4548 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25771 SdHoareTripleChecker+Valid, 10383 SdHoareTripleChecker+Invalid, 4943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 4548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:34,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25771 Valid, 10383 Invalid, 4943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [395 Valid, 4548 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-16 16:12:34,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11887 states. [2022-10-16 16:12:35,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11887 to 11871. [2022-10-16 16:12:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11871 states, 9451 states have (on average 1.4700031742672732) internal successors, (13893), 11870 states have internal predecessors, (13893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:35,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11871 states to 11871 states and 13893 transitions. [2022-10-16 16:12:35,420 INFO L78 Accepts]: Start accepts. Automaton has 11871 states and 13893 transitions. Word has length 60 [2022-10-16 16:12:35,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:35,424 INFO L495 AbstractCegarLoop]: Abstraction has 11871 states and 13893 transitions. [2022-10-16 16:12:35,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 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 16:12:35,425 INFO L276 IsEmpty]: Start isEmpty. Operand 11871 states and 13893 transitions. [2022-10-16 16:12:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:12:35,427 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:35,428 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 16:12:35,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:12:35,432 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2200ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:12:35,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:35,436 INFO L85 PathProgramCache]: Analyzing trace with hash -575720118, now seen corresponding path program 1 times [2022-10-16 16:12:35,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:35,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995967479] [2022-10-16 16:12:35,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:35,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:35,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:35,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995967479] [2022-10-16 16:12:35,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995967479] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:35,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:35,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:35,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486001557] [2022-10-16 16:12:35,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:35,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:35,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:35,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:35,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:35,728 INFO L87 Difference]: Start difference. First operand 11871 states and 13893 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 16:12:41,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:41,349 INFO L93 Difference]: Finished difference Result 12161 states and 14279 transitions. [2022-10-16 16:12:41,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:12:41,349 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 16:12:41,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:41,380 INFO L225 Difference]: With dead ends: 12161 [2022-10-16 16:12:41,380 INFO L226 Difference]: Without dead ends: 11955 [2022-10-16 16:12:41,385 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 16:12:41,386 INFO L413 NwaCegarLoop]: 9925 mSDtfsCounter, 31969 mSDsluCounter, 6139 mSDsCounter, 0 mSdLazyCounter, 6251 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31969 SdHoareTripleChecker+Valid, 16064 SdHoareTripleChecker+Invalid, 6551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 6251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:41,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31969 Valid, 16064 Invalid, 6551 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [300 Valid, 6251 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-10-16 16:12:41,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11955 states. [2022-10-16 16:12:41,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11955 to 11788. [2022-10-16 16:12:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11788 states, 9572 states have (on average 1.4499582114500627) internal successors, (13879), 11787 states have internal predecessors, (13879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11788 states to 11788 states and 13879 transitions. [2022-10-16 16:12:41,825 INFO L78 Accepts]: Start accepts. Automaton has 11788 states and 13879 transitions. Word has length 61 [2022-10-16 16:12:41,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:41,825 INFO L495 AbstractCegarLoop]: Abstraction has 11788 states and 13879 transitions. [2022-10-16 16:12:41,825 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 16:12:41,826 INFO L276 IsEmpty]: Start isEmpty. Operand 11788 states and 13879 transitions. [2022-10-16 16:12:41,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:12:41,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:41,829 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 16:12:41,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:12:41,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2201ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:12:41,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:41,830 INFO L85 PathProgramCache]: Analyzing trace with hash -667428221, now seen corresponding path program 1 times [2022-10-16 16:12:41,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:41,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376907125] [2022-10-16 16:12:41,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:41,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:42,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:42,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:42,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376907125] [2022-10-16 16:12:42,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376907125] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:42,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:42,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:42,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181836712] [2022-10-16 16:12:42,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:42,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:42,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:42,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:42,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:42,068 INFO L87 Difference]: Start difference. First operand 11788 states and 13879 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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 16:12:47,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:47,275 INFO L93 Difference]: Finished difference Result 11941 states and 14073 transitions. [2022-10-16 16:12:47,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:12:47,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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 16:12:47,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:47,306 INFO L225 Difference]: With dead ends: 11941 [2022-10-16 16:12:47,307 INFO L226 Difference]: Without dead ends: 11711 [2022-10-16 16:12:47,311 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 16:12:47,316 INFO L413 NwaCegarLoop]: 9373 mSDtfsCounter, 35753 mSDsluCounter, 2864 mSDsCounter, 0 mSdLazyCounter, 4930 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35753 SdHoareTripleChecker+Valid, 12237 SdHoareTripleChecker+Invalid, 5409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 4930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:47,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35753 Valid, 12237 Invalid, 5409 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [479 Valid, 4930 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-16 16:12:47,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11711 states. [2022-10-16 16:12:47,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11711 to 11681. [2022-10-16 16:12:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11681 states, 9693 states have (on average 1.4277313525224389) internal successors, (13839), 11680 states have internal predecessors, (13839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11681 states to 11681 states and 13839 transitions. [2022-10-16 16:12:47,684 INFO L78 Accepts]: Start accepts. Automaton has 11681 states and 13839 transitions. Word has length 62 [2022-10-16 16:12:47,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:47,685 INFO L495 AbstractCegarLoop]: Abstraction has 11681 states and 13839 transitions. [2022-10-16 16:12:47,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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 16:12:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 11681 states and 13839 transitions. [2022-10-16 16:12:47,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:12:47,690 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:47,690 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 16:12:47,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:12:47,691 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2202ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:12:47,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:47,692 INFO L85 PathProgramCache]: Analyzing trace with hash 784587884, now seen corresponding path program 1 times [2022-10-16 16:12:47,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:47,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708295820] [2022-10-16 16:12:47,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:47,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:48,128 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 16:12:48,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:48,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708295820] [2022-10-16 16:12:48,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708295820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:48,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:48,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:12:48,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847168478] [2022-10-16 16:12:48,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:48,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:12:48,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:48,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:12:48,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:12:48,132 INFO L87 Difference]: Start difference. First operand 11681 states and 13839 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 16:12:54,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:54,072 INFO L93 Difference]: Finished difference Result 12098 states and 14413 transitions. [2022-10-16 16:12:54,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:12:54,079 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 16:12:54,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:54,107 INFO L225 Difference]: With dead ends: 12098 [2022-10-16 16:12:54,107 INFO L226 Difference]: Without dead ends: 11904 [2022-10-16 16:12:54,111 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 16:12:54,112 INFO L413 NwaCegarLoop]: 9934 mSDtfsCounter, 39976 mSDsluCounter, 8960 mSDsCounter, 0 mSdLazyCounter, 7252 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39976 SdHoareTripleChecker+Valid, 18894 SdHoareTripleChecker+Invalid, 7597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 7252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:54,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39976 Valid, 18894 Invalid, 7597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [345 Valid, 7252 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-10-16 16:12:54,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11904 states. [2022-10-16 16:12:54,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11904 to 11610. [2022-10-16 16:12:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11610 states, 9814 states have (on average 1.4095170165070308) internal successors, (13833), 11609 states have internal predecessors, (13833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:54,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11610 states to 11610 states and 13833 transitions. [2022-10-16 16:12:54,523 INFO L78 Accepts]: Start accepts. Automaton has 11610 states and 13833 transitions. Word has length 63 [2022-10-16 16:12:54,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:54,525 INFO L495 AbstractCegarLoop]: Abstraction has 11610 states and 13833 transitions. [2022-10-16 16:12:54,526 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 16:12:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 11610 states and 13833 transitions. [2022-10-16 16:12:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:12:54,530 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:54,530 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 16:12:54,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:12:54,531 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2203ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:12:54,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:54,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1447553115, now seen corresponding path program 1 times [2022-10-16 16:12:54,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:54,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157128446] [2022-10-16 16:12:54,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:54,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:54,826 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 16:12:54,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:54,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157128446] [2022-10-16 16:12:54,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157128446] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:54,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:54,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:12:54,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554514371] [2022-10-16 16:12:54,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:54,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:12:54,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:54,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:12:54,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:12:54,832 INFO L87 Difference]: Start difference. First operand 11610 states and 13833 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 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 16:13:00,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:00,430 INFO L93 Difference]: Finished difference Result 11896 states and 14215 transitions. [2022-10-16 16:13:00,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:13:00,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 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 16:13:00,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:00,460 INFO L225 Difference]: With dead ends: 11896 [2022-10-16 16:13:00,461 INFO L226 Difference]: Without dead ends: 11684 [2022-10-16 16:13:00,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:13:00,467 INFO L413 NwaCegarLoop]: 9381 mSDtfsCounter, 44259 mSDsluCounter, 5278 mSDsCounter, 0 mSdLazyCounter, 5651 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44259 SdHoareTripleChecker+Valid, 14659 SdHoareTripleChecker+Invalid, 6212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 5651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:00,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44259 Valid, 14659 Invalid, 6212 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [561 Valid, 5651 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-16 16:13:00,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11684 states. [2022-10-16 16:13:00,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11684 to 11642. [2022-10-16 16:13:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11642 states, 10056 states have (on average 1.3919053301511535) internal successors, (13997), 11641 states have internal predecessors, (13997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:00,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11642 states to 11642 states and 13997 transitions. [2022-10-16 16:13:00,871 INFO L78 Accepts]: Start accepts. Automaton has 11642 states and 13997 transitions. Word has length 64 [2022-10-16 16:13:00,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:00,872 INFO L495 AbstractCegarLoop]: Abstraction has 11642 states and 13997 transitions. [2022-10-16 16:13:00,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 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 16:13:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 11642 states and 13997 transitions. [2022-10-16 16:13:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:13:00,877 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:00,877 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 16:13:00,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:13:00,877 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2204ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:00,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1924447346, now seen corresponding path program 1 times [2022-10-16 16:13:00,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:00,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156395098] [2022-10-16 16:13:00,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:00,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:01,169 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 16:13:01,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:01,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156395098] [2022-10-16 16:13:01,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156395098] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:01,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:01,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:13:01,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922636118] [2022-10-16 16:13:01,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:01,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:13:01,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:01,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:13:01,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:13:01,173 INFO L87 Difference]: Start difference. First operand 11642 states and 13997 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 16:13:07,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:07,659 INFO L93 Difference]: Finished difference Result 13168 states and 16277 transitions. [2022-10-16 16:13:07,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:13:07,661 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 16:13:07,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:07,691 INFO L225 Difference]: With dead ends: 13168 [2022-10-16 16:13:07,692 INFO L226 Difference]: Without dead ends: 12004 [2022-10-16 16:13:07,701 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 16:13:07,702 INFO L413 NwaCegarLoop]: 9944 mSDtfsCounter, 46841 mSDsluCounter, 12066 mSDsCounter, 0 mSdLazyCounter, 8517 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46841 SdHoareTripleChecker+Valid, 22010 SdHoareTripleChecker+Invalid, 8927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 8517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:07,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46841 Valid, 22010 Invalid, 8927 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [410 Valid, 8517 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-10-16 16:13:07,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12004 states. [2022-10-16 16:13:08,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12004 to 11587. [2022-10-16 16:13:08,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11587 states, 10177 states have (on average 1.3757492384789232) internal successors, (14001), 11586 states have internal predecessors, (14001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:08,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11587 states to 11587 states and 14001 transitions. [2022-10-16 16:13:08,348 INFO L78 Accepts]: Start accepts. Automaton has 11587 states and 14001 transitions. Word has length 65 [2022-10-16 16:13:08,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:08,349 INFO L495 AbstractCegarLoop]: Abstraction has 11587 states and 14001 transitions. [2022-10-16 16:13:08,349 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 16:13:08,349 INFO L276 IsEmpty]: Start isEmpty. Operand 11587 states and 14001 transitions. [2022-10-16 16:13:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:13:08,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:08,354 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] [2022-10-16 16:13:08,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:13:08,355 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2205ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:08,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:08,355 INFO L85 PathProgramCache]: Analyzing trace with hash 471700679, now seen corresponding path program 1 times [2022-10-16 16:13:08,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:08,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624235147] [2022-10-16 16:13:08,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:08,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:08,680 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 16:13:08,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:08,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624235147] [2022-10-16 16:13:08,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624235147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:08,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:08,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:13:08,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202980560] [2022-10-16 16:13:08,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:08,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:13:08,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:08,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:13:08,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:13:08,684 INFO L87 Difference]: Start difference. First operand 11587 states and 14001 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:15,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:15,046 INFO L93 Difference]: Finished difference Result 12532 states and 15345 transitions. [2022-10-16 16:13:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 16:13:15,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-10-16 16:13:15,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:15,068 INFO L225 Difference]: With dead ends: 12532 [2022-10-16 16:13:15,068 INFO L226 Difference]: Without dead ends: 12331 [2022-10-16 16:13:15,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 16:13:15,075 INFO L413 NwaCegarLoop]: 9427 mSDtfsCounter, 51962 mSDsluCounter, 8473 mSDsCounter, 0 mSdLazyCounter, 6693 mSolverCounterSat, 704 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51962 SdHoareTripleChecker+Valid, 17900 SdHoareTripleChecker+Invalid, 7397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 704 IncrementalHoareTripleChecker+Valid, 6693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:15,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51962 Valid, 17900 Invalid, 7397 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [704 Valid, 6693 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-10-16 16:13:15,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12331 states. [2022-10-16 16:13:15,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12331 to 12243. [2022-10-16 16:13:15,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12243 states, 11031 states have (on average 1.3714078506028464) internal successors, (15128), 12242 states have internal predecessors, (15128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12243 states to 12243 states and 15128 transitions. [2022-10-16 16:13:15,722 INFO L78 Accepts]: Start accepts. Automaton has 12243 states and 15128 transitions. Word has length 66 [2022-10-16 16:13:15,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:15,723 INFO L495 AbstractCegarLoop]: Abstraction has 12243 states and 15128 transitions. [2022-10-16 16:13:15,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 12243 states and 15128 transitions. [2022-10-16 16:13:15,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:13:15,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:15,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:15,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:13:15,743 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2206ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:15,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:15,744 INFO L85 PathProgramCache]: Analyzing trace with hash 643353484, now seen corresponding path program 1 times [2022-10-16 16:13:15,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:15,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425905963] [2022-10-16 16:13:15,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:15,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:15,957 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 16:13:15,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:15,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425905963] [2022-10-16 16:13:15,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425905963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:15,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:15,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:13:15,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900596210] [2022-10-16 16:13:15,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:15,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:15,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:15,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:15,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:15,960 INFO L87 Difference]: Start difference. First operand 12243 states and 15128 transitions. Second operand has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:17,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:17,538 INFO L93 Difference]: Finished difference Result 12243 states and 15128 transitions. [2022-10-16 16:13:17,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:17,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:13:17,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:17,555 INFO L225 Difference]: With dead ends: 12243 [2022-10-16 16:13:17,555 INFO L226 Difference]: Without dead ends: 11955 [2022-10-16 16:13:17,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:17,560 INFO L413 NwaCegarLoop]: 11561 mSDtfsCounter, 3038 mSDsluCounter, 8281 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3038 SdHoareTripleChecker+Valid, 19842 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:17,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3038 Valid, 19842 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:13:17,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11955 states. [2022-10-16 16:13:18,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11955 to 11955. [2022-10-16 16:13:18,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11955 states, 11031 states have (on average 1.345299610189466) internal successors, (14840), 11954 states have internal predecessors, (14840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11955 states to 11955 states and 14840 transitions. [2022-10-16 16:13:18,076 INFO L78 Accepts]: Start accepts. Automaton has 11955 states and 14840 transitions. Word has length 70 [2022-10-16 16:13:18,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:18,076 INFO L495 AbstractCegarLoop]: Abstraction has 11955 states and 14840 transitions. [2022-10-16 16:13:18,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:18,077 INFO L276 IsEmpty]: Start isEmpty. Operand 11955 states and 14840 transitions. [2022-10-16 16:13:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:13:18,085 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:18,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:18,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:13:18,086 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2208ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:18,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:18,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1629046127, now seen corresponding path program 1 times [2022-10-16 16:13:18,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:18,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958450] [2022-10-16 16:13:18,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:18,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:18,247 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 16:13:18,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:18,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958450] [2022-10-16 16:13:18,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958450] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:18,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:18,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:13:18,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452796197] [2022-10-16 16:13:18,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:18,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:18,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:18,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:18,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:18,250 INFO L87 Difference]: Start difference. First operand 11955 states and 14840 transitions. Second operand has 3 states, 2 states have (on average 37.0) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:19,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:19,464 INFO L93 Difference]: Finished difference Result 11955 states and 14840 transitions. [2022-10-16 16:13:19,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:19,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 37.0) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:13:19,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:19,478 INFO L225 Difference]: With dead ends: 11955 [2022-10-16 16:13:19,478 INFO L226 Difference]: Without dead ends: 11802 [2022-10-16 16:13:19,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:19,484 INFO L413 NwaCegarLoop]: 11147 mSDtfsCounter, 11615 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11615 SdHoareTripleChecker+Valid, 11147 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:19,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11615 Valid, 11147 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:13:19,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11802 states. [2022-10-16 16:13:20,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11802 to 11802. [2022-10-16 16:13:20,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11802 states, 11031 states have (on average 1.3300698032816607) internal successors, (14672), 11801 states have internal predecessors, (14672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11802 states to 11802 states and 14672 transitions. [2022-10-16 16:13:20,155 INFO L78 Accepts]: Start accepts. Automaton has 11802 states and 14672 transitions. Word has length 74 [2022-10-16 16:13:20,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:20,156 INFO L495 AbstractCegarLoop]: Abstraction has 11802 states and 14672 transitions. [2022-10-16 16:13:20,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.0) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 11802 states and 14672 transitions. [2022-10-16 16:13:20,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:13:20,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:20,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:20,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:13:20,164 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2209ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:20,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:20,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1039203901, now seen corresponding path program 1 times [2022-10-16 16:13:20,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:20,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589279388] [2022-10-16 16:13:20,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:20,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:20,337 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 16:13:20,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:20,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589279388] [2022-10-16 16:13:20,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589279388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:20,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:20,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:13:20,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691145635] [2022-10-16 16:13:20,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:20,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:20,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:20,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:20,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:20,340 INFO L87 Difference]: Start difference. First operand 11802 states and 14672 transitions. Second operand has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:21,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:21,447 INFO L93 Difference]: Finished difference Result 11802 states and 14672 transitions. [2022-10-16 16:13:21,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:21,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:13:21,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:21,460 INFO L225 Difference]: With dead ends: 11802 [2022-10-16 16:13:21,460 INFO L226 Difference]: Without dead ends: 11649 [2022-10-16 16:13:21,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:21,464 INFO L413 NwaCegarLoop]: 11147 mSDtfsCounter, 11461 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11461 SdHoareTripleChecker+Valid, 11147 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:21,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11461 Valid, 11147 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:13:21,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11649 states. [2022-10-16 16:13:21,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11649 to 11649. [2022-10-16 16:13:21,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11649 states, 11031 states have (on average 1.3148399963738555) internal successors, (14504), 11648 states have internal predecessors, (14504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:21,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11649 states to 11649 states and 14504 transitions. [2022-10-16 16:13:21,940 INFO L78 Accepts]: Start accepts. Automaton has 11649 states and 14504 transitions. Word has length 75 [2022-10-16 16:13:21,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:21,940 INFO L495 AbstractCegarLoop]: Abstraction has 11649 states and 14504 transitions. [2022-10-16 16:13:21,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 11649 states and 14504 transitions. [2022-10-16 16:13:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:13:21,959 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:21,959 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 16:13:21,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:13:21,960 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr816ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:21,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:21,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1924076213, now seen corresponding path program 1 times [2022-10-16 16:13:21,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:21,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937368963] [2022-10-16 16:13:21,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:21,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:22,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:22,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937368963] [2022-10-16 16:13:22,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937368963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:22,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:22,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:22,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52122856] [2022-10-16 16:13:22,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:22,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:13:22,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:22,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:13:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:13:22,228 INFO L87 Difference]: Start difference. First operand 11649 states and 14504 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 16:13:26,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:26,350 INFO L93 Difference]: Finished difference Result 12403 states and 15638 transitions. [2022-10-16 16:13:26,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:13:26,350 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 16:13:26,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:26,364 INFO L225 Difference]: With dead ends: 12403 [2022-10-16 16:13:26,365 INFO L226 Difference]: Without dead ends: 12383 [2022-10-16 16:13:26,369 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 16:13:26,370 INFO L413 NwaCegarLoop]: 9405 mSDtfsCounter, 11008 mSDsluCounter, 8122 mSDsCounter, 0 mSdLazyCounter, 5159 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11008 SdHoareTripleChecker+Valid, 17527 SdHoareTripleChecker+Invalid, 5227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 5159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:26,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11008 Valid, 17527 Invalid, 5227 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [68 Valid, 5159 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 16:13:26,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12383 states. [2022-10-16 16:13:26,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12383 to 11873. [2022-10-16 16:13:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11873 states, 11273 states have (on average 1.3185487447884325) internal successors, (14864), 11872 states have internal predecessors, (14864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11873 states to 11873 states and 14864 transitions. [2022-10-16 16:13:26,940 INFO L78 Accepts]: Start accepts. Automaton has 11873 states and 14864 transitions. Word has length 93 [2022-10-16 16:13:26,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:26,941 INFO L495 AbstractCegarLoop]: Abstraction has 11873 states and 14864 transitions. [2022-10-16 16:13:26,941 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 16:13:26,941 INFO L276 IsEmpty]: Start isEmpty. Operand 11873 states and 14864 transitions. [2022-10-16 16:13:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:13:26,959 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:26,959 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 16:13:26,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:13:26,959 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1828ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:26,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1258310521, now seen corresponding path program 1 times [2022-10-16 16:13:26,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:26,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103640123] [2022-10-16 16:13:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:26,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:27,215 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 16:13:27,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:27,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103640123] [2022-10-16 16:13:27,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103640123] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:27,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:27,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:27,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559299673] [2022-10-16 16:13:27,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:27,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:27,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:27,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:27,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:27,219 INFO L87 Difference]: Start difference. First operand 11873 states and 14864 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 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 16:13:32,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:32,213 INFO L93 Difference]: Finished difference Result 12391 states and 15608 transitions. [2022-10-16 16:13:32,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:13:32,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 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 16:13:32,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:32,227 INFO L225 Difference]: With dead ends: 12391 [2022-10-16 16:13:32,228 INFO L226 Difference]: Without dead ends: 12371 [2022-10-16 16:13:32,232 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 16:13:32,233 INFO L413 NwaCegarLoop]: 9467 mSDtfsCounter, 18878 mSDsluCounter, 11791 mSDsCounter, 0 mSdLazyCounter, 6784 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18878 SdHoareTripleChecker+Valid, 21258 SdHoareTripleChecker+Invalid, 6859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 6784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:32,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18878 Valid, 21258 Invalid, 6859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [75 Valid, 6784 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 16:13:32,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12371 states. [2022-10-16 16:13:32,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12371 to 12097. [2022-10-16 16:13:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12097 states, 11515 states have (on average 1.321406860616587) internal successors, (15216), 12096 states have internal predecessors, (15216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12097 states to 12097 states and 15216 transitions. [2022-10-16 16:13:32,723 INFO L78 Accepts]: Start accepts. Automaton has 12097 states and 15216 transitions. Word has length 94 [2022-10-16 16:13:32,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:32,724 INFO L495 AbstractCegarLoop]: Abstraction has 12097 states and 15216 transitions. [2022-10-16 16:13:32,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 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 16:13:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 12097 states and 15216 transitions. [2022-10-16 16:13:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:13:32,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:32,739 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 16:13:32,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:13:32,739 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr818ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:32,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:32,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2094050061, now seen corresponding path program 1 times [2022-10-16 16:13:32,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:32,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440727427] [2022-10-16 16:13:32,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:32,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:33,004 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 16:13:33,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:33,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440727427] [2022-10-16 16:13:33,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440727427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:33,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:33,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:33,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194699293] [2022-10-16 16:13:33,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:33,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:33,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:33,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:33,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:33,007 INFO L87 Difference]: Start difference. First operand 12097 states and 15216 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 16:13:37,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:37,748 INFO L93 Difference]: Finished difference Result 12617 states and 15960 transitions. [2022-10-16 16:13:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:13:37,749 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 16:13:37,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:37,762 INFO L225 Difference]: With dead ends: 12617 [2022-10-16 16:13:37,762 INFO L226 Difference]: Without dead ends: 12601 [2022-10-16 16:13:37,765 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 16:13:37,765 INFO L413 NwaCegarLoop]: 9412 mSDtfsCounter, 19852 mSDsluCounter, 9700 mSDsCounter, 0 mSdLazyCounter, 5837 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19852 SdHoareTripleChecker+Valid, 19112 SdHoareTripleChecker+Invalid, 5902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 5837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:37,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19852 Valid, 19112 Invalid, 5902 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 5837 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 16:13:37,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12601 states. [2022-10-16 16:13:38,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12601 to 12567. [2022-10-16 16:13:38,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12567 states, 11999 states have (on average 1.3286107175597965) internal successors, (15942), 12566 states have internal predecessors, (15942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12567 states to 12567 states and 15942 transitions. [2022-10-16 16:13:38,279 INFO L78 Accepts]: Start accepts. Automaton has 12567 states and 15942 transitions. Word has length 95 [2022-10-16 16:13:38,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:38,279 INFO L495 AbstractCegarLoop]: Abstraction has 12567 states and 15942 transitions. [2022-10-16 16:13:38,279 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 16:13:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 12567 states and 15942 transitions. [2022-10-16 16:13:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:13:38,290 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:38,290 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 16:13:38,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:13:38,291 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1398ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:38,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:38,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1474789365, now seen corresponding path program 1 times [2022-10-16 16:13:38,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:38,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744318547] [2022-10-16 16:13:38,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:38,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:38,542 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 16:13:38,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:38,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744318547] [2022-10-16 16:13:38,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744318547] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:38,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:38,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:38,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685378925] [2022-10-16 16:13:38,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:38,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:13:38,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:38,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:13:38,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:13:38,549 INFO L87 Difference]: Start difference. First operand 12567 states and 15942 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 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 16:13:42,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:42,670 INFO L93 Difference]: Finished difference Result 12837 states and 16328 transitions. [2022-10-16 16:13:42,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:13:42,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 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 16:13:42,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:42,696 INFO L225 Difference]: With dead ends: 12837 [2022-10-16 16:13:42,696 INFO L226 Difference]: Without dead ends: 12815 [2022-10-16 16:13:42,702 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 16:13:42,703 INFO L413 NwaCegarLoop]: 9427 mSDtfsCounter, 11362 mSDsluCounter, 7940 mSDsCounter, 0 mSdLazyCounter, 5117 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11362 SdHoareTripleChecker+Valid, 17367 SdHoareTripleChecker+Invalid, 5183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 5117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:42,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11362 Valid, 17367 Invalid, 5183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 5117 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 16:13:42,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12815 states. [2022-10-16 16:13:43,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12815 to 12789. [2022-10-16 16:13:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12789 states, 12241 states have (on average 1.3319173270157667) internal successors, (16304), 12788 states have internal predecessors, (16304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12789 states to 12789 states and 16304 transitions. [2022-10-16 16:13:43,236 INFO L78 Accepts]: Start accepts. Automaton has 12789 states and 16304 transitions. Word has length 96 [2022-10-16 16:13:43,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:43,236 INFO L495 AbstractCegarLoop]: Abstraction has 12789 states and 16304 transitions. [2022-10-16 16:13:43,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 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 16:13:43,237 INFO L276 IsEmpty]: Start isEmpty. Operand 12789 states and 16304 transitions. [2022-10-16 16:13:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:13:43,251 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:43,251 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 16:13:43,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:13:43,251 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr819ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:43,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:43,252 INFO L85 PathProgramCache]: Analyzing trace with hash 491054523, now seen corresponding path program 1 times [2022-10-16 16:13:43,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:43,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750710926] [2022-10-16 16:13:43,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:43,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:43,570 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 16:13:43,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:43,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750710926] [2022-10-16 16:13:43,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750710926] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:43,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:43,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:43,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398919793] [2022-10-16 16:13:43,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:43,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:43,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:43,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:43,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:43,573 INFO L87 Difference]: Start difference. First operand 12789 states and 16304 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 16:13:48,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:48,574 INFO L93 Difference]: Finished difference Result 14033 states and 18206 transitions. [2022-10-16 16:13:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:13:48,575 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 16:13:48,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:48,596 INFO L225 Difference]: With dead ends: 14033 [2022-10-16 16:13:48,596 INFO L226 Difference]: Without dead ends: 14017 [2022-10-16 16:13:48,602 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 16:13:48,603 INFO L413 NwaCegarLoop]: 8869 mSDtfsCounter, 21902 mSDsluCounter, 9117 mSDsCounter, 0 mSdLazyCounter, 6112 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21902 SdHoareTripleChecker+Valid, 17986 SdHoareTripleChecker+Invalid, 6291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 6112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:48,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21902 Valid, 17986 Invalid, 6291 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [179 Valid, 6112 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-16 16:13:48,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14017 states. [2022-10-16 16:13:49,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14017 to 13501. [2022-10-16 16:13:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13501 states, 12967 states have (on average 1.3440271458317268) internal successors, (17428), 13500 states have internal predecessors, (17428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13501 states to 13501 states and 17428 transitions. [2022-10-16 16:13:49,258 INFO L78 Accepts]: Start accepts. Automaton has 13501 states and 17428 transitions. Word has length 96 [2022-10-16 16:13:49,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:49,258 INFO L495 AbstractCegarLoop]: Abstraction has 13501 states and 17428 transitions. [2022-10-16 16:13:49,259 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 16:13:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 13501 states and 17428 transitions. [2022-10-16 16:13:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:13:49,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:49,269 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 16:13:49,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:13:49,270 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1830ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:49,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:49,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1945083017, now seen corresponding path program 1 times [2022-10-16 16:13:49,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:49,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735052535] [2022-10-16 16:13:49,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:49,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:49,540 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 16:13:49,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:49,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735052535] [2022-10-16 16:13:49,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735052535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:49,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:49,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:49,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135480364] [2022-10-16 16:13:49,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:49,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:49,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:49,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:49,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:49,543 INFO L87 Difference]: Start difference. First operand 13501 states and 17428 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 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 16:13:54,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:54,804 INFO L93 Difference]: Finished difference Result 13779 states and 17798 transitions. [2022-10-16 16:13:54,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:13:54,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 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 16:13:54,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:54,819 INFO L225 Difference]: With dead ends: 13779 [2022-10-16 16:13:54,820 INFO L226 Difference]: Without dead ends: 13765 [2022-10-16 16:13:54,823 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 16:13:54,824 INFO L413 NwaCegarLoop]: 9459 mSDtfsCounter, 27902 mSDsluCounter, 12058 mSDsCounter, 0 mSdLazyCounter, 6773 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27902 SdHoareTripleChecker+Valid, 21517 SdHoareTripleChecker+Invalid, 6843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 6773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:54,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27902 Valid, 21517 Invalid, 6843 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [70 Valid, 6773 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 16:13:54,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13765 states. [2022-10-16 16:13:55,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13765 to 13731. [2022-10-16 16:13:55,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13731 states, 13209 states have (on average 1.3462033462033463) internal successors, (17782), 13730 states have internal predecessors, (17782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13731 states to 13731 states and 17782 transitions. [2022-10-16 16:13:55,473 INFO L78 Accepts]: Start accepts. Automaton has 13731 states and 17782 transitions. Word has length 96 [2022-10-16 16:13:55,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:55,473 INFO L495 AbstractCegarLoop]: Abstraction has 13731 states and 17782 transitions. [2022-10-16 16:13:55,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 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 16:13:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 13731 states and 17782 transitions. [2022-10-16 16:13:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:13:55,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:55,485 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 16:13:55,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:13:55,485 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2084ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:13:55,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:55,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2034908040, now seen corresponding path program 1 times [2022-10-16 16:13:55,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:55,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215019259] [2022-10-16 16:13:55,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:55,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:55,767 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 16:13:55,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:55,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215019259] [2022-10-16 16:13:55,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215019259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:55,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:55,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:55,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931544607] [2022-10-16 16:13:55,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:55,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:55,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:55,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:55,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:55,769 INFO L87 Difference]: Start difference. First operand 13731 states and 17782 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 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 16:14:01,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:01,136 INFO L93 Difference]: Finished difference Result 13765 states and 17782 transitions. [2022-10-16 16:14:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:14:01,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 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 16:14:01,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:01,150 INFO L225 Difference]: With dead ends: 13765 [2022-10-16 16:14:01,151 INFO L226 Difference]: Without dead ends: 13751 [2022-10-16 16:14:01,153 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 16:14:01,154 INFO L413 NwaCegarLoop]: 9462 mSDtfsCounter, 27516 mSDsluCounter, 12191 mSDsCounter, 0 mSdLazyCounter, 6787 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27516 SdHoareTripleChecker+Valid, 21653 SdHoareTripleChecker+Invalid, 6871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 6787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:01,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27516 Valid, 21653 Invalid, 6871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [84 Valid, 6787 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 16:14:01,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13751 states. [2022-10-16 16:14:01,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13751 to 13719. [2022-10-16 16:14:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13719 states, 13209 states have (on average 1.3449920508744038) internal successors, (17766), 13718 states have internal predecessors, (17766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:01,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13719 states to 13719 states and 17766 transitions. [2022-10-16 16:14:01,784 INFO L78 Accepts]: Start accepts. Automaton has 13719 states and 17766 transitions. Word has length 96 [2022-10-16 16:14:01,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:01,784 INFO L495 AbstractCegarLoop]: Abstraction has 13719 states and 17766 transitions. [2022-10-16 16:14:01,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 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 16:14:01,785 INFO L276 IsEmpty]: Start isEmpty. Operand 13719 states and 17766 transitions. [2022-10-16 16:14:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:14:01,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:01,794 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 16:14:01,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:14:01,794 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1399ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:14:01,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:01,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1526151819, now seen corresponding path program 1 times [2022-10-16 16:14:01,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:01,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006434327] [2022-10-16 16:14:01,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:01,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:02,078 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 16:14:02,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:02,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006434327] [2022-10-16 16:14:02,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006434327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:02,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:02,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:02,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692675251] [2022-10-16 16:14:02,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:02,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:14:02,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:02,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:14:02,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:14:02,080 INFO L87 Difference]: Start difference. First operand 13719 states and 17766 transitions. Second operand has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 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 16:14:06,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:06,435 INFO L93 Difference]: Finished difference Result 13731 states and 17766 transitions. [2022-10-16 16:14:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:14:06,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 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 16:14:06,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:06,452 INFO L225 Difference]: With dead ends: 13731 [2022-10-16 16:14:06,452 INFO L226 Difference]: Without dead ends: 13709 [2022-10-16 16:14:06,457 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 16:14:06,457 INFO L413 NwaCegarLoop]: 8890 mSDtfsCounter, 11560 mSDsluCounter, 7422 mSDsCounter, 0 mSdLazyCounter, 5242 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11560 SdHoareTripleChecker+Valid, 16312 SdHoareTripleChecker+Invalid, 5382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 5242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:06,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11560 Valid, 16312 Invalid, 5382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 5242 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 16:14:06,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13709 states. [2022-10-16 16:14:07,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13709 to 13697. [2022-10-16 16:14:07,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13697 states, 13209 states have (on average 1.3422666363842835) internal successors, (17730), 13696 states have internal predecessors, (17730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13697 states to 13697 states and 17730 transitions. [2022-10-16 16:14:07,222 INFO L78 Accepts]: Start accepts. Automaton has 13697 states and 17730 transitions. Word has length 97 [2022-10-16 16:14:07,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:07,223 INFO L495 AbstractCegarLoop]: Abstraction has 13697 states and 17730 transitions. [2022-10-16 16:14:07,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 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 16:14:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 13697 states and 17730 transitions. [2022-10-16 16:14:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:14:07,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:07,231 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 16:14:07,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:14:07,231 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr820ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:14:07,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:07,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1957166897, now seen corresponding path program 1 times [2022-10-16 16:14:07,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:07,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614580351] [2022-10-16 16:14:07,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:07,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:07,528 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 16:14:07,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:07,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614580351] [2022-10-16 16:14:07,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614580351] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:07,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:07,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:07,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59087232] [2022-10-16 16:14:07,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:07,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:07,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:07,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:07,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:07,533 INFO L87 Difference]: Start difference. First operand 13697 states and 17730 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 16:14:13,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:13,355 INFO L93 Difference]: Finished difference Result 13975 states and 18100 transitions. [2022-10-16 16:14:13,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:14:13,355 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 16:14:13,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:13,372 INFO L225 Difference]: With dead ends: 13975 [2022-10-16 16:14:13,373 INFO L226 Difference]: Without dead ends: 13961 [2022-10-16 16:14:13,377 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 16:14:13,378 INFO L413 NwaCegarLoop]: 9382 mSDtfsCounter, 27679 mSDsluCounter, 13775 mSDsCounter, 0 mSdLazyCounter, 7819 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27679 SdHoareTripleChecker+Valid, 23157 SdHoareTripleChecker+Invalid, 7883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 7819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:13,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27679 Valid, 23157 Invalid, 7883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [64 Valid, 7819 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 16:14:13,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13961 states. [2022-10-16 16:14:14,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13961 to 13927. [2022-10-16 16:14:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13927 states, 13451 states have (on average 1.3444353579659505) internal successors, (18084), 13926 states have internal predecessors, (18084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13927 states to 13927 states and 18084 transitions. [2022-10-16 16:14:14,048 INFO L78 Accepts]: Start accepts. Automaton has 13927 states and 18084 transitions. Word has length 97 [2022-10-16 16:14:14,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:14,049 INFO L495 AbstractCegarLoop]: Abstraction has 13927 states and 18084 transitions. [2022-10-16 16:14:14,049 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-10-16 16:14:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 13927 states and 18084 transitions. [2022-10-16 16:14:14,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:14:14,060 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:14,060 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 16:14:14,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:14:14,061 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1831ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:14:14,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:14,061 INFO L85 PathProgramCache]: Analyzing trace with hash 168053769, now seen corresponding path program 1 times [2022-10-16 16:14:14,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:14,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875876891] [2022-10-16 16:14:14,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:14,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:14,389 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 16:14:14,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:14,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875876891] [2022-10-16 16:14:14,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875876891] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:14,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:14,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:14,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364779407] [2022-10-16 16:14:14,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:14,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:14,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:14,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:14,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:14,392 INFO L87 Difference]: Start difference. First operand 13927 states and 18084 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 16:14:20,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:20,234 INFO L93 Difference]: Finished difference Result 15907 states and 21084 transitions. [2022-10-16 16:14:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:14:20,235 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 16:14:20,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:20,257 INFO L225 Difference]: With dead ends: 15907 [2022-10-16 16:14:20,257 INFO L226 Difference]: Without dead ends: 15893 [2022-10-16 16:14:20,262 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 16:14:20,263 INFO L413 NwaCegarLoop]: 8933 mSDtfsCounter, 31209 mSDsluCounter, 11207 mSDsCounter, 0 mSdLazyCounter, 6804 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31209 SdHoareTripleChecker+Valid, 20140 SdHoareTripleChecker+Invalid, 7014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 6804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:20,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31209 Valid, 20140 Invalid, 7014 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [210 Valid, 6804 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-10-16 16:14:20,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15893 states. [2022-10-16 16:14:21,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15893 to 15367. [2022-10-16 16:14:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15367 states, 14903 states have (on average 1.3629470576394014) internal successors, (20312), 15366 states have internal predecessors, (20312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15367 states to 15367 states and 20312 transitions. [2022-10-16 16:14:21,189 INFO L78 Accepts]: Start accepts. Automaton has 15367 states and 20312 transitions. Word has length 97 [2022-10-16 16:14:21,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:21,189 INFO L495 AbstractCegarLoop]: Abstraction has 15367 states and 20312 transitions. [2022-10-16 16:14:21,189 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-10-16 16:14:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 15367 states and 20312 transitions. [2022-10-16 16:14:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:14:21,198 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:21,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:21,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:14:21,198 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1400ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:14:21,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:21,199 INFO L85 PathProgramCache]: Analyzing trace with hash -66048009, now seen corresponding path program 1 times [2022-10-16 16:14:21,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:21,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119285654] [2022-10-16 16:14:21,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:21,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:21,454 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 16:14:21,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:21,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119285654] [2022-10-16 16:14:21,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119285654] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:21,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:21,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:14:21,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929590506] [2022-10-16 16:14:21,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:21,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:14:21,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:21,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:14:21,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:14:21,457 INFO L87 Difference]: Start difference. First operand 15367 states and 20312 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:26,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:26,678 INFO L93 Difference]: Finished difference Result 15643 states and 20690 transitions. [2022-10-16 16:14:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:14:26,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:14:26,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:26,697 INFO L225 Difference]: With dead ends: 15643 [2022-10-16 16:14:26,698 INFO L226 Difference]: Without dead ends: 15623 [2022-10-16 16:14:26,703 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 16:14:26,704 INFO L413 NwaCegarLoop]: 9403 mSDtfsCounter, 19424 mSDsluCounter, 10942 mSDsCounter, 0 mSdLazyCounter, 6428 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19424 SdHoareTripleChecker+Valid, 20345 SdHoareTripleChecker+Invalid, 6491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 6428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:26,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19424 Valid, 20345 Invalid, 6491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [63 Valid, 6428 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-16 16:14:26,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15623 states. [2022-10-16 16:14:27,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15623 to 15591. [2022-10-16 16:14:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15591 states, 15145 states have (on average 1.3646748101683723) internal successors, (20668), 15590 states have internal predecessors, (20668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15591 states to 15591 states and 20668 transitions. [2022-10-16 16:14:27,676 INFO L78 Accepts]: Start accepts. Automaton has 15591 states and 20668 transitions. Word has length 98 [2022-10-16 16:14:27,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:27,677 INFO L495 AbstractCegarLoop]: Abstraction has 15591 states and 20668 transitions. [2022-10-16 16:14:27,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 15591 states and 20668 transitions. [2022-10-16 16:14:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:14:27,685 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:27,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:27,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:14:27,685 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr821ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:14:27,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:27,686 INFO L85 PathProgramCache]: Analyzing trace with hash -542619587, now seen corresponding path program 1 times [2022-10-16 16:14:27,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:27,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150731286] [2022-10-16 16:14:27,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:27,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:27,982 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 16:14:27,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:27,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150731286] [2022-10-16 16:14:27,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150731286] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:27,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:27,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:27,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911171772] [2022-10-16 16:14:27,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:27,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:27,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:27,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:27,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:27,986 INFO L87 Difference]: Start difference. First operand 15591 states and 20668 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:33,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:33,935 INFO L93 Difference]: Finished difference Result 17089 states and 22932 transitions. [2022-10-16 16:14:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:14:33,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:14:33,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:33,961 INFO L225 Difference]: With dead ends: 17089 [2022-10-16 16:14:33,961 INFO L226 Difference]: Without dead ends: 17073 [2022-10-16 16:14:33,967 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 16:14:33,968 INFO L413 NwaCegarLoop]: 8876 mSDtfsCounter, 31113 mSDsluCounter, 11091 mSDsCounter, 0 mSdLazyCounter, 6820 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31113 SdHoareTripleChecker+Valid, 19967 SdHoareTripleChecker+Invalid, 7039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 6820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:33,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31113 Valid, 19967 Invalid, 7039 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [219 Valid, 6820 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-10-16 16:14:33,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17073 states. [2022-10-16 16:14:35,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17073 to 17029. [2022-10-16 16:14:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17029 states, 16597 states have (on average 1.3791649093209617) internal successors, (22890), 17028 states have internal predecessors, (22890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:35,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17029 states to 17029 states and 22890 transitions. [2022-10-16 16:14:35,090 INFO L78 Accepts]: Start accepts. Automaton has 17029 states and 22890 transitions. Word has length 98 [2022-10-16 16:14:35,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:35,090 INFO L495 AbstractCegarLoop]: Abstraction has 17029 states and 22890 transitions. [2022-10-16 16:14:35,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 17029 states and 22890 transitions. [2022-10-16 16:14:35,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:14:35,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:35,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:35,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:14:35,102 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr770ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:14:35,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:35,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1213066616, now seen corresponding path program 1 times [2022-10-16 16:14:35,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:35,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266610693] [2022-10-16 16:14:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:35,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:35,302 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 16:14:35,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:35,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266610693] [2022-10-16 16:14:35,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266610693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:35,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:35,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:35,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193627449] [2022-10-16 16:14:35,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:35,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:14:35,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:35,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:14:35,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:14:35,305 INFO L87 Difference]: Start difference. First operand 17029 states and 22890 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:39,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:39,007 INFO L93 Difference]: Finished difference Result 17783 states and 24036 transitions. [2022-10-16 16:14:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:14:39,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:14:39,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:39,030 INFO L225 Difference]: With dead ends: 17783 [2022-10-16 16:14:39,030 INFO L226 Difference]: Without dead ends: 17771 [2022-10-16 16:14:39,037 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 16:14:39,037 INFO L413 NwaCegarLoop]: 11320 mSDtfsCounter, 2650 mSDsluCounter, 8472 mSDsCounter, 0 mSdLazyCounter, 3136 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 19792 SdHoareTripleChecker+Invalid, 3216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 3136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:39,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 19792 Invalid, 3216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 3136 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 16:14:39,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17771 states. [2022-10-16 16:14:40,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17771 to 17019. [2022-10-16 16:14:40,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17019 states, 16597 states have (on average 1.376393324094716) internal successors, (22844), 17018 states have internal predecessors, (22844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17019 states to 17019 states and 22844 transitions. [2022-10-16 16:14:40,149 INFO L78 Accepts]: Start accepts. Automaton has 17019 states and 22844 transitions. Word has length 98 [2022-10-16 16:14:40,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:40,150 INFO L495 AbstractCegarLoop]: Abstraction has 17019 states and 22844 transitions. [2022-10-16 16:14:40,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 17019 states and 22844 transitions. [2022-10-16 16:14:40,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:14:40,162 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:40,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:40,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:14:40,163 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1832ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:14:40,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:40,164 INFO L85 PathProgramCache]: Analyzing trace with hash 914721931, now seen corresponding path program 1 times [2022-10-16 16:14:40,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:40,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737576969] [2022-10-16 16:14:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:40,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:40,465 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 16:14:40,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:40,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737576969] [2022-10-16 16:14:40,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737576969] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:40,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:40,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:14:40,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585584698] [2022-10-16 16:14:40,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:40,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:14:40,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:40,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:14:40,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:14:40,474 INFO L87 Difference]: Start difference. First operand 17019 states and 22844 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:46,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:46,717 INFO L93 Difference]: Finished difference Result 23359 states and 32540 transitions. [2022-10-16 16:14:46,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:14:46,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:14:46,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:46,736 INFO L225 Difference]: With dead ends: 23359 [2022-10-16 16:14:46,736 INFO L226 Difference]: Without dead ends: 17285 [2022-10-16 16:14:46,747 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 16:14:46,748 INFO L413 NwaCegarLoop]: 9413 mSDtfsCounter, 35805 mSDsluCounter, 14586 mSDsCounter, 0 mSdLazyCounter, 7704 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35805 SdHoareTripleChecker+Valid, 23999 SdHoareTripleChecker+Invalid, 7750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 7704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:46,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35805 Valid, 23999 Invalid, 7750 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [46 Valid, 7704 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 16:14:46,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17285 states. [2022-10-16 16:14:47,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17285 to 17253. [2022-10-16 16:14:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17253 states, 16839 states have (on average 1.377278935803789) internal successors, (23192), 17252 states have internal predecessors, (23192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17253 states to 17253 states and 23192 transitions. [2022-10-16 16:14:47,784 INFO L78 Accepts]: Start accepts. Automaton has 17253 states and 23192 transitions. Word has length 98 [2022-10-16 16:14:47,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:47,784 INFO L495 AbstractCegarLoop]: Abstraction has 17253 states and 23192 transitions. [2022-10-16 16:14:47,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 17253 states and 23192 transitions. [2022-10-16 16:14:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:14:47,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:47,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:47,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:14:47,795 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2086ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:14:47,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:47,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1337301770, now seen corresponding path program 1 times [2022-10-16 16:14:47,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:47,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173456728] [2022-10-16 16:14:47,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:47,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:48,080 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 16:14:48,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:48,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173456728] [2022-10-16 16:14:48,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173456728] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:48,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:48,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:14:48,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290516096] [2022-10-16 16:14:48,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:48,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:14:48,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:48,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:14:48,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:14:48,083 INFO L87 Difference]: Start difference. First operand 17253 states and 23192 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:54,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:54,419 INFO L93 Difference]: Finished difference Result 24319 states and 33994 transitions. [2022-10-16 16:14:54,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:14:54,419 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:14:54,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:54,441 INFO L225 Difference]: With dead ends: 24319 [2022-10-16 16:14:54,441 INFO L226 Difference]: Without dead ends: 17519 [2022-10-16 16:14:54,457 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 16:14:54,458 INFO L413 NwaCegarLoop]: 9416 mSDtfsCounter, 35282 mSDsluCounter, 14847 mSDsCounter, 0 mSdLazyCounter, 7700 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35282 SdHoareTripleChecker+Valid, 24263 SdHoareTripleChecker+Invalid, 7760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 7700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:54,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35282 Valid, 24263 Invalid, 7760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [60 Valid, 7700 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 16:14:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17519 states. [2022-10-16 16:14:55,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17519 to 17487. [2022-10-16 16:14:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17487 states, 17081 states have (on average 1.3781394531936069) internal successors, (23540), 17486 states have internal predecessors, (23540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17487 states to 17487 states and 23540 transitions. [2022-10-16 16:14:55,540 INFO L78 Accepts]: Start accepts. Automaton has 17487 states and 23540 transitions. Word has length 98 [2022-10-16 16:14:55,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:55,541 INFO L495 AbstractCegarLoop]: Abstraction has 17487 states and 23540 transitions. [2022-10-16 16:14:55,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 17487 states and 23540 transitions. [2022-10-16 16:14:55,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:14:55,549 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:55,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:55,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:14:55,549 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1401ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:14:55,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:55,550 INFO L85 PathProgramCache]: Analyzing trace with hash -2047470153, now seen corresponding path program 1 times [2022-10-16 16:14:55,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:55,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137185475] [2022-10-16 16:14:55,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:55,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:55,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:55,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137185475] [2022-10-16 16:14:55,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137185475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:55,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:55,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:14:55,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788493129] [2022-10-16 16:14:55,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:55,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:14:55,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:55,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:14:55,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:14:55,768 INFO L87 Difference]: Start difference. First operand 17487 states and 23540 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:01,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:01,025 INFO L93 Difference]: Finished difference Result 18971 states and 25820 transitions. [2022-10-16 16:15:01,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:15:01,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 16:15:01,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:01,051 INFO L225 Difference]: With dead ends: 18971 [2022-10-16 16:15:01,052 INFO L226 Difference]: Without dead ends: 18949 [2022-10-16 16:15:01,059 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 16:15:01,059 INFO L413 NwaCegarLoop]: 8951 mSDtfsCounter, 22961 mSDsluCounter, 7896 mSDsCounter, 0 mSdLazyCounter, 5366 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22961 SdHoareTripleChecker+Valid, 16847 SdHoareTripleChecker+Invalid, 5582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 5366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:01,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22961 Valid, 16847 Invalid, 5582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [216 Valid, 5366 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 16:15:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18949 states. [2022-10-16 16:15:02,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18949 to 18919. [2022-10-16 16:15:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18919 states, 18533 states have (on average 1.390600550369611) internal successors, (25772), 18918 states have internal predecessors, (25772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:02,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18919 states to 18919 states and 25772 transitions. [2022-10-16 16:15:02,440 INFO L78 Accepts]: Start accepts. Automaton has 18919 states and 25772 transitions. Word has length 99 [2022-10-16 16:15:02,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:02,441 INFO L495 AbstractCegarLoop]: Abstraction has 18919 states and 25772 transitions. [2022-10-16 16:15:02,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 18919 states and 25772 transitions. [2022-10-16 16:15:02,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:15:02,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:02,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:02,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:15:02,450 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr202ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:15:02,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:02,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1705727371, now seen corresponding path program 1 times [2022-10-16 16:15:02,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:02,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042460090] [2022-10-16 16:15:02,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:02,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:02,721 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 16:15:02,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:02,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042460090] [2022-10-16 16:15:02,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042460090] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:02,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:02,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:02,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511958407] [2022-10-16 16:15:02,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:02,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:02,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:02,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:02,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:02,725 INFO L87 Difference]: Start difference. First operand 18919 states and 25772 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:08,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:08,636 INFO L93 Difference]: Finished difference Result 19919 states and 27260 transitions. [2022-10-16 16:15:08,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:15:08,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 16:15:08,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:08,655 INFO L225 Difference]: With dead ends: 19919 [2022-10-16 16:15:08,656 INFO L226 Difference]: Without dead ends: 19913 [2022-10-16 16:15:08,659 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 16:15:08,660 INFO L413 NwaCegarLoop]: 9468 mSDtfsCounter, 11019 mSDsluCounter, 15435 mSDsCounter, 0 mSdLazyCounter, 7194 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11019 SdHoareTripleChecker+Valid, 24903 SdHoareTripleChecker+Invalid, 7265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 7194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:08,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11019 Valid, 24903 Invalid, 7265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [71 Valid, 7194 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 16:15:08,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19913 states. [2022-10-16 16:15:09,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19913 to 19399. [2022-10-16 16:15:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19399 states, 19017 states have (on average 1.3932796971131094) internal successors, (26496), 19398 states have internal predecessors, (26496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19399 states to 19399 states and 26496 transitions. [2022-10-16 16:15:09,877 INFO L78 Accepts]: Start accepts. Automaton has 19399 states and 26496 transitions. Word has length 99 [2022-10-16 16:15:09,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:09,877 INFO L495 AbstractCegarLoop]: Abstraction has 19399 states and 26496 transitions. [2022-10-16 16:15:09,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:09,877 INFO L276 IsEmpty]: Start isEmpty. Operand 19399 states and 26496 transitions. [2022-10-16 16:15:09,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:15:09,885 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:09,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:09,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:15:09,885 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr822ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:15:09,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:09,885 INFO L85 PathProgramCache]: Analyzing trace with hash 358674065, now seen corresponding path program 1 times [2022-10-16 16:15:09,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:09,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075792371] [2022-10-16 16:15:09,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:09,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:10,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:10,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075792371] [2022-10-16 16:15:10,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075792371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:10,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:10,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:10,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257341830] [2022-10-16 16:15:10,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:10,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:10,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:10,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:10,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:10,134 INFO L87 Difference]: Start difference. First operand 19399 states and 26496 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:16,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:16,356 INFO L93 Difference]: Finished difference Result 27191 states and 38420 transitions. [2022-10-16 16:15:16,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:15:16,357 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 16:15:16,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:16,382 INFO L225 Difference]: With dead ends: 27191 [2022-10-16 16:15:16,383 INFO L226 Difference]: Without dead ends: 20149 [2022-10-16 16:15:16,395 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 16:15:16,396 INFO L413 NwaCegarLoop]: 9340 mSDtfsCounter, 36518 mSDsluCounter, 14124 mSDsCounter, 0 mSdLazyCounter, 7572 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36518 SdHoareTripleChecker+Valid, 23464 SdHoareTripleChecker+Invalid, 7634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 7572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:16,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36518 Valid, 23464 Invalid, 7634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [62 Valid, 7572 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-16 16:15:16,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20149 states. [2022-10-16 16:15:17,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20149 to 19633. [2022-10-16 16:15:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19633 states, 19259 states have (on average 1.393841840178618) internal successors, (26844), 19632 states have internal predecessors, (26844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19633 states to 19633 states and 26844 transitions. [2022-10-16 16:15:17,790 INFO L78 Accepts]: Start accepts. Automaton has 19633 states and 26844 transitions. Word has length 99 [2022-10-16 16:15:17,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:17,790 INFO L495 AbstractCegarLoop]: Abstraction has 19633 states and 26844 transitions. [2022-10-16 16:15:17,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 19633 states and 26844 transitions. [2022-10-16 16:15:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:15:17,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:17,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:17,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:15:17,799 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1833ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2897 more)] === [2022-10-16 16:15:17,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:17,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1708368821, now seen corresponding path program 1 times [2022-10-16 16:15:17,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:17,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456437992] [2022-10-16 16:15:17,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:17,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:18,052 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 16:15:18,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:18,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456437992] [2022-10-16 16:15:18,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456437992] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:18,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:18,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:18,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780308666] [2022-10-16 16:15:18,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:18,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:18,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:18,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:18,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:18,055 INFO L87 Difference]: Start difference. First operand 19633 states and 26844 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:25,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:25,096 INFO L93 Difference]: Finished difference Result 23317 states and 32380 transitions. [2022-10-16 16:15:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:15:25,096 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 16:15:25,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:25,122 INFO L225 Difference]: With dead ends: 23317 [2022-10-16 16:15:25,123 INFO L226 Difference]: Without dead ends: 23303 [2022-10-16 16:15:25,128 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 16:15:25,129 INFO L413 NwaCegarLoop]: 8977 mSDtfsCounter, 39546 mSDsluCounter, 13617 mSDsCounter, 0 mSdLazyCounter, 7671 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39546 SdHoareTripleChecker+Valid, 22594 SdHoareTripleChecker+Invalid, 7914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 7671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:25,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39546 Valid, 22594 Invalid, 7914 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [243 Valid, 7671 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-16 16:15:25,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23303 states.