/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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:22:59,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:22:59,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:23:00,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:23:00,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:23:00,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:23:00,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:23:00,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:23:00,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:23:00,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:23:00,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:23:00,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:23:00,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:23:00,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:23:00,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:23:00,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:23:00,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:23:00,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:23:00,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:23:00,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:23:00,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:23:00,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:23:00,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:23:00,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:23:00,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:23:00,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:23:00,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:23:00,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:23:00,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:23:00,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:23:00,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:23:00,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:23:00,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:23:00,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:23:00,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:23:00,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:23:00,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:23:00,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:23:00,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:23:00,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:23:00,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:23:00,139 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 16:23:00,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:23:00,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:23:00,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:23:00,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:23:00,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:23:00,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:23:00,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:23:00,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:23:00,194 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:23:00,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:23:00,195 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:23:00,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:23:00,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:23:00,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:23:00,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:23:00,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:23:00,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:23:00,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:23:00,196 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:23:00,196 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:23:00,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:23:00,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:23:00,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:23:00,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:23:00,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:23:00,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:23:00,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:23:00,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:23:00,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:23:00,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:23:00,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:23:00,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:23:00,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:23:00,199 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:23:00,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:23:00,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:23:00,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:23:00,691 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:23:00,692 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:23:00,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:23:00,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a65d5ec2/55a46e3796654fae9276d282596381cf/FLAGfc77c3d87 [2022-10-16 16:23:01,496 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:23:01,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:23:01,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a65d5ec2/55a46e3796654fae9276d282596381cf/FLAGfc77c3d87 [2022-10-16 16:23:01,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a65d5ec2/55a46e3796654fae9276d282596381cf [2022-10-16 16:23:01,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:23:01,672 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:23:01,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:23:01,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:23:01,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:23:01,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:23:01" (1/1) ... [2022-10-16 16:23:01,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520bae73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:01, skipping insertion in model container [2022-10-16 16:23:01,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:23:01" (1/1) ... [2022-10-16 16:23:01,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:23:01,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:23:02,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9419,9432] [2022-10-16 16:23:02,043 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12891,12904] [2022-10-16 16:23:02,054 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14047,14060] [2022-10-16 16:23:02,060 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14703,14716] [2022-10-16 16:23:02,072 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16224,16237] [2022-10-16 16:23:02,078 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16880,16893] [2022-10-16 16:23:02,095 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17864,17877] [2022-10-16 16:23:02,111 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20202,20215] [2022-10-16 16:23:02,117 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20861,20874] [2022-10-16 16:23:02,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21885,21898] [2022-10-16 16:23:02,160 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23760,23773] [2022-10-16 16:23:02,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:23:02,289 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:23:02,391 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9419,9432] [2022-10-16 16:23:02,413 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12891,12904] [2022-10-16 16:23:02,423 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14047,14060] [2022-10-16 16:23:02,431 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14703,14716] [2022-10-16 16:23:02,444 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16224,16237] [2022-10-16 16:23:02,453 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16880,16893] [2022-10-16 16:23:02,467 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17864,17877] [2022-10-16 16:23:02,492 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20202,20215] [2022-10-16 16:23:02,501 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20861,20874] [2022-10-16 16:23:02,513 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21885,21898] [2022-10-16 16:23:02,540 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23760,23773] [2022-10-16 16:23:02,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:23:02,693 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:23:02,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02 WrapperNode [2022-10-16 16:23:02,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:23:02,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:23:02,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:23:02,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:23:02,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,841 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2238 [2022-10-16 16:23:02,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:23:02,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:23:02,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:23:02,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:23:02,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:23:02,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:23:02,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:23:02,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:23:02,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (1/1) ... [2022-10-16 16:23:02,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:23:02,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:23:03,005 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 16:23:03,023 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 16:23:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:23:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:23:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:23:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:23:03,247 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:23:03,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:23:05,361 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:23:05,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:23:05,377 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:23:05,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:23:05 BoogieIcfgContainer [2022-10-16 16:23:05,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:23:05,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:23:05,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:23:05,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:23:05,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:23:01" (1/3) ... [2022-10-16 16:23:05,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31860e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:23:05, skipping insertion in model container [2022-10-16 16:23:05,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:23:02" (2/3) ... [2022-10-16 16:23:05,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31860e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:23:05, skipping insertion in model container [2022-10-16 16:23:05,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:23:05" (3/3) ... [2022-10-16 16:23:05,391 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:23:05,412 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:23:05,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 370 error locations. [2022-10-16 16:23:05,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:23:05,508 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;@597833cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:23:05,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 370 error locations. [2022-10-16 16:23:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 1076 states, 705 states have (on average 1.920567375886525) internal successors, (1354), 1075 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 16:23:05,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:05,532 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] [2022-10-16 16:23:05,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr356ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:05,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:05,539 INFO L85 PathProgramCache]: Analyzing trace with hash 372140764, now seen corresponding path program 1 times [2022-10-16 16:23:05,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:05,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648754879] [2022-10-16 16:23:05,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:05,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:06,163 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 16:23:06,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:06,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648754879] [2022-10-16 16:23:06,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648754879] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:06,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:06,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:23:06,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691467528] [2022-10-16 16:23:06,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:06,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:23:06,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:06,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:23:06,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:06,213 INFO L87 Difference]: Start difference. First operand has 1076 states, 705 states have (on average 1.920567375886525) internal successors, (1354), 1075 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:07,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:07,373 INFO L93 Difference]: Finished difference Result 1274 states and 1614 transitions. [2022-10-16 16:23:07,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:07,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-10-16 16:23:07,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:07,400 INFO L225 Difference]: With dead ends: 1274 [2022-10-16 16:23:07,400 INFO L226 Difference]: Without dead ends: 1206 [2022-10-16 16:23:07,405 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 16:23:07,409 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 2182 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2182 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:07,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2182 Valid, 1190 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:23:07,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2022-10-16 16:23:07,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1094. [2022-10-16 16:23:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 763 states have (on average 1.6041939711664481) internal successors, (1224), 1093 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:07,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1224 transitions. [2022-10-16 16:23:07,529 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1224 transitions. Word has length 36 [2022-10-16 16:23:07,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:07,530 INFO L495 AbstractCegarLoop]: Abstraction has 1094 states and 1224 transitions. [2022-10-16 16:23:07,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:07,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1224 transitions. [2022-10-16 16:23:07,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 16:23:07,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:07,532 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] [2022-10-16 16:23:07,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:23:07,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr357ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:07,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:07,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1348536031, now seen corresponding path program 1 times [2022-10-16 16:23:07,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:07,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996776483] [2022-10-16 16:23:07,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:07,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:07,760 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 16:23:07,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:07,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996776483] [2022-10-16 16:23:07,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996776483] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:07,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:07,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:23:07,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301306217] [2022-10-16 16:23:07,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:07,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:23:07,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:07,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:23:07,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:07,769 INFO L87 Difference]: Start difference. First operand 1094 states and 1224 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:08,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:08,507 INFO L93 Difference]: Finished difference Result 1187 states and 1349 transitions. [2022-10-16 16:23:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:23:08,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-16 16:23:08,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:08,514 INFO L225 Difference]: With dead ends: 1187 [2022-10-16 16:23:08,514 INFO L226 Difference]: Without dead ends: 1137 [2022-10-16 16:23:08,516 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 16:23:08,518 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 2076 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:08,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 563 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:08,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-10-16 16:23:08,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1121. [2022-10-16 16:23:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 837 states have (on average 1.5483870967741935) internal successors, (1296), 1120 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1296 transitions. [2022-10-16 16:23:08,554 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1296 transitions. Word has length 37 [2022-10-16 16:23:08,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:08,555 INFO L495 AbstractCegarLoop]: Abstraction has 1121 states and 1296 transitions. [2022-10-16 16:23:08,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1296 transitions. [2022-10-16 16:23:08,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 16:23:08,557 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:08,557 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] [2022-10-16 16:23:08,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:23:08,558 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr358ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:08,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:08,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1145058174, now seen corresponding path program 1 times [2022-10-16 16:23:08,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:08,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945225010] [2022-10-16 16:23:08,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:08,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:08,672 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 16:23:08,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:08,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945225010] [2022-10-16 16:23:08,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945225010] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:08,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:08,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:08,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306897920] [2022-10-16 16:23:08,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:08,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:08,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:08,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:08,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:08,676 INFO L87 Difference]: Start difference. First operand 1121 states and 1296 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:09,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:09,649 INFO L93 Difference]: Finished difference Result 1317 states and 1537 transitions. [2022-10-16 16:23:09,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:23:09,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-16 16:23:09,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:09,657 INFO L225 Difference]: With dead ends: 1317 [2022-10-16 16:23:09,658 INFO L226 Difference]: Without dead ends: 1278 [2022-10-16 16:23:09,661 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 16:23:09,666 INFO L413 NwaCegarLoop]: 667 mSDtfsCounter, 2388 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:09,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 1272 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:23:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2022-10-16 16:23:09,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1159. [2022-10-16 16:23:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 911 states have (on average 1.5104281009879255) internal successors, (1376), 1158 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:09,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1376 transitions. [2022-10-16 16:23:09,732 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1376 transitions. Word has length 38 [2022-10-16 16:23:09,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:09,733 INFO L495 AbstractCegarLoop]: Abstraction has 1159 states and 1376 transitions. [2022-10-16 16:23:09,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:09,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1376 transitions. [2022-10-16 16:23:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 16:23:09,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:09,739 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] [2022-10-16 16:23:09,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:23:09,740 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr359ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:09,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:09,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1137067203, now seen corresponding path program 1 times [2022-10-16 16:23:09,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:09,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370839212] [2022-10-16 16:23:09,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:09,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:09,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:09,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370839212] [2022-10-16 16:23:09,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370839212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:09,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:09,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:09,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020497838] [2022-10-16 16:23:09,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:09,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:09,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:09,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:09,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:09,912 INFO L87 Difference]: Start difference. First operand 1159 states and 1376 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:10,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:10,704 INFO L93 Difference]: Finished difference Result 1265 states and 1498 transitions. [2022-10-16 16:23:10,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:10,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-10-16 16:23:10,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:10,711 INFO L225 Difference]: With dead ends: 1265 [2022-10-16 16:23:10,712 INFO L226 Difference]: Without dead ends: 1220 [2022-10-16 16:23:10,712 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 16:23:10,713 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 2789 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:10,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2789 Valid, 803 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:10,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2022-10-16 16:23:10,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1191. [2022-10-16 16:23:10,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 985 states have (on average 1.4690355329949238) internal successors, (1447), 1190 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1447 transitions. [2022-10-16 16:23:10,762 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1447 transitions. Word has length 39 [2022-10-16 16:23:10,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:10,762 INFO L495 AbstractCegarLoop]: Abstraction has 1191 states and 1447 transitions. [2022-10-16 16:23:10,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1447 transitions. [2022-10-16 16:23:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 16:23:10,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:10,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:10,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:23:10,764 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr360ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:10,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:10,765 INFO L85 PathProgramCache]: Analyzing trace with hash 889347104, now seen corresponding path program 1 times [2022-10-16 16:23:10,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:10,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157013821] [2022-10-16 16:23:10,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:10,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:10,880 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 16:23:10,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:10,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157013821] [2022-10-16 16:23:10,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157013821] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:10,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:10,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:10,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417243025] [2022-10-16 16:23:10,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:10,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:10,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:10,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:10,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:10,884 INFO L87 Difference]: Start difference. First operand 1191 states and 1447 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:12,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:12,146 INFO L93 Difference]: Finished difference Result 2331 states and 3119 transitions. [2022-10-16 16:23:12,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:23:12,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-16 16:23:12,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:12,155 INFO L225 Difference]: With dead ends: 2331 [2022-10-16 16:23:12,155 INFO L226 Difference]: Without dead ends: 1905 [2022-10-16 16:23:12,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:23:12,158 INFO L413 NwaCegarLoop]: 676 mSDtfsCounter, 2962 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 1957 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:12,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2962 Valid, 1957 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:23:12,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2022-10-16 16:23:12,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1527. [2022-10-16 16:23:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1527 states, 1355 states have (on average 1.4634686346863468) internal successors, (1983), 1526 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1983 transitions. [2022-10-16 16:23:12,235 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1983 transitions. Word has length 40 [2022-10-16 16:23:12,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:12,236 INFO L495 AbstractCegarLoop]: Abstraction has 1527 states and 1983 transitions. [2022-10-16 16:23:12,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1983 transitions. [2022-10-16 16:23:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 16:23:12,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:12,237 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] [2022-10-16 16:23:12,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:23:12,238 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr361ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:12,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:12,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1799958629, now seen corresponding path program 1 times [2022-10-16 16:23:12,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:12,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825536489] [2022-10-16 16:23:12,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:12,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:12,353 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 16:23:12,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:12,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825536489] [2022-10-16 16:23:12,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825536489] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:12,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:12,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:12,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231032577] [2022-10-16 16:23:12,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:12,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:12,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:12,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:12,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:12,356 INFO L87 Difference]: Start difference. First operand 1527 states and 1983 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:13,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:13,321 INFO L93 Difference]: Finished difference Result 1888 states and 2465 transitions. [2022-10-16 16:23:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:23:13,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-10-16 16:23:13,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:13,332 INFO L225 Difference]: With dead ends: 1888 [2022-10-16 16:23:13,332 INFO L226 Difference]: Without dead ends: 1846 [2022-10-16 16:23:13,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:23:13,334 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 3679 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3679 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:13,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3679 Valid, 1116 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:23:13,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-10-16 16:23:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1784. [2022-10-16 16:23:13,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1650 states have (on average 1.4521212121212121) internal successors, (2396), 1783 states have internal predecessors, (2396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:13,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2396 transitions. [2022-10-16 16:23:13,451 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2396 transitions. Word has length 41 [2022-10-16 16:23:13,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:13,452 INFO L495 AbstractCegarLoop]: Abstraction has 1784 states and 2396 transitions. [2022-10-16 16:23:13,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:13,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2396 transitions. [2022-10-16 16:23:13,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:23:13,453 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:13,454 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] [2022-10-16 16:23:13,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:23:13,454 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr368ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:13,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:13,455 INFO L85 PathProgramCache]: Analyzing trace with hash -339311211, now seen corresponding path program 1 times [2022-10-16 16:23:13,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:13,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709962491] [2022-10-16 16:23:13,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:13,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:13,572 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 16:23:13,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:13,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709962491] [2022-10-16 16:23:13,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709962491] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:13,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:13,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:23:13,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445273343] [2022-10-16 16:23:13,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:13,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:23:13,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:13,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:23:13,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:23:13,579 INFO L87 Difference]: Start difference. First operand 1784 states and 2396 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:13,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:13,733 INFO L93 Difference]: Finished difference Result 1784 states and 2396 transitions. [2022-10-16 16:23:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:23:13,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-16 16:23:13,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:13,744 INFO L225 Difference]: With dead ends: 1784 [2022-10-16 16:23:13,745 INFO L226 Difference]: Without dead ends: 1752 [2022-10-16 16:23:13,745 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 16:23:13,747 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 323 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:13,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1315 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:23:13,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2022-10-16 16:23:13,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1752. [2022-10-16 16:23:13,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1650 states have (on average 1.4327272727272726) internal successors, (2364), 1751 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2364 transitions. [2022-10-16 16:23:13,839 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2364 transitions. Word has length 53 [2022-10-16 16:23:13,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:13,841 INFO L495 AbstractCegarLoop]: Abstraction has 1752 states and 2364 transitions. [2022-10-16 16:23:13,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2364 transitions. [2022-10-16 16:23:13,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:23:13,842 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:13,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:13,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:23:13,843 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:13,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:13,844 INFO L85 PathProgramCache]: Analyzing trace with hash -316661192, now seen corresponding path program 1 times [2022-10-16 16:23:13,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:13,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490028848] [2022-10-16 16:23:13,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:13,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:14,008 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 16:23:14,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:14,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490028848] [2022-10-16 16:23:14,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490028848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:14,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:14,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:23:14,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664606610] [2022-10-16 16:23:14,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:14,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:23:14,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:14,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:23:14,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:23:14,011 INFO L87 Difference]: Start difference. First operand 1752 states and 2364 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:14,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:14,162 INFO L93 Difference]: Finished difference Result 1752 states and 2364 transitions. [2022-10-16 16:23:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:23:14,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 16:23:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:14,180 INFO L225 Difference]: With dead ends: 1752 [2022-10-16 16:23:14,180 INFO L226 Difference]: Without dead ends: 1750 [2022-10-16 16:23:14,184 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 16:23:14,187 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 811 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:14,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 821 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:23:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2022-10-16 16:23:14,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1750. [2022-10-16 16:23:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1750 states, 1650 states have (on average 1.4236363636363636) internal successors, (2349), 1749 states have internal predecessors, (2349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1750 states and 2349 transitions. [2022-10-16 16:23:14,315 INFO L78 Accepts]: Start accepts. Automaton has 1750 states and 2349 transitions. Word has length 58 [2022-10-16 16:23:14,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:14,315 INFO L495 AbstractCegarLoop]: Abstraction has 1750 states and 2349 transitions. [2022-10-16 16:23:14,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2349 transitions. [2022-10-16 16:23:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:23:14,317 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:14,318 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 16:23:14,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:23:14,318 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:14,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:14,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1226562150, now seen corresponding path program 1 times [2022-10-16 16:23:14,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:14,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107196191] [2022-10-16 16:23:14,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:14,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:14,422 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 16:23:14,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:14,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107196191] [2022-10-16 16:23:14,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107196191] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:14,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:14,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:23:14,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126621287] [2022-10-16 16:23:14,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:14,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:23:14,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:14,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:23:14,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:23:14,425 INFO L87 Difference]: Start difference. First operand 1750 states and 2349 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 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 16:23:14,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:14,557 INFO L93 Difference]: Finished difference Result 1750 states and 2349 transitions. [2022-10-16 16:23:14,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:23:14,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 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 16:23:14,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:14,567 INFO L225 Difference]: With dead ends: 1750 [2022-10-16 16:23:14,567 INFO L226 Difference]: Without dead ends: 1748 [2022-10-16 16:23:14,568 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 16:23:14,569 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 808 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:14,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 821 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:23:14,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2022-10-16 16:23:14,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1748. [2022-10-16 16:23:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1650 states have (on average 1.4145454545454546) internal successors, (2334), 1747 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:14,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2334 transitions. [2022-10-16 16:23:14,673 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2334 transitions. Word has length 59 [2022-10-16 16:23:14,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:14,673 INFO L495 AbstractCegarLoop]: Abstraction has 1748 states and 2334 transitions. [2022-10-16 16:23:14,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 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 16:23:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2334 transitions. [2022-10-16 16:23:14,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:23:14,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:14,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:14,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:23:14,675 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:14,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:14,676 INFO L85 PathProgramCache]: Analyzing trace with hash 144320827, now seen corresponding path program 1 times [2022-10-16 16:23:14,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:14,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439432768] [2022-10-16 16:23:14,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:14,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:14,800 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 16:23:14,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:14,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439432768] [2022-10-16 16:23:14,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439432768] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:14,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:14,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:23:14,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721560018] [2022-10-16 16:23:14,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:14,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:23:14,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:14,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:23:14,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:14,803 INFO L87 Difference]: Start difference. First operand 1748 states and 2334 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:15,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:15,492 INFO L93 Difference]: Finished difference Result 2220 states and 3023 transitions. [2022-10-16 16:23:15,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:23:15,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:23:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:15,504 INFO L225 Difference]: With dead ends: 2220 [2022-10-16 16:23:15,504 INFO L226 Difference]: Without dead ends: 2212 [2022-10-16 16:23:15,507 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 16:23:15,508 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 817 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:15,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 1066 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:15,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2022-10-16 16:23:15,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 1965. [2022-10-16 16:23:15,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1872 states have (on average 1.4257478632478633) internal successors, (2669), 1964 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2669 transitions. [2022-10-16 16:23:15,637 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2669 transitions. Word has length 72 [2022-10-16 16:23:15,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:15,638 INFO L495 AbstractCegarLoop]: Abstraction has 1965 states and 2669 transitions. [2022-10-16 16:23:15,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:15,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2669 transitions. [2022-10-16 16:23:15,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:23:15,640 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:15,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:15,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:23:15,640 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:15,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:15,641 INFO L85 PathProgramCache]: Analyzing trace with hash 988285850, now seen corresponding path program 1 times [2022-10-16 16:23:15,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:15,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85808553] [2022-10-16 16:23:15,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:15,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:15,832 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 16:23:15,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:15,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85808553] [2022-10-16 16:23:15,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85808553] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:15,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:15,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:23:15,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712773321] [2022-10-16 16:23:15,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:15,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:23:15,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:15,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:23:15,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:15,836 INFO L87 Difference]: Start difference. First operand 1965 states and 2669 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:16,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:16,522 INFO L93 Difference]: Finished difference Result 2440 states and 3358 transitions. [2022-10-16 16:23:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:23:16,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:23:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:16,535 INFO L225 Difference]: With dead ends: 2440 [2022-10-16 16:23:16,535 INFO L226 Difference]: Without dead ends: 2432 [2022-10-16 16:23:16,536 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 16:23:16,537 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 864 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:16,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [864 Valid, 1038 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:16,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2022-10-16 16:23:16,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 2404. [2022-10-16 16:23:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2316 states have (on average 1.4438687392055267) internal successors, (3344), 2403 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:16,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3344 transitions. [2022-10-16 16:23:16,706 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3344 transitions. Word has length 72 [2022-10-16 16:23:16,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:16,707 INFO L495 AbstractCegarLoop]: Abstraction has 2404 states and 3344 transitions. [2022-10-16 16:23:16,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:16,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3344 transitions. [2022-10-16 16:23:16,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:23:16,709 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:16,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:16,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:23:16,709 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr113ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:16,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:16,710 INFO L85 PathProgramCache]: Analyzing trace with hash 572091224, now seen corresponding path program 1 times [2022-10-16 16:23:16,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:16,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679119706] [2022-10-16 16:23:16,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:16,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:16,824 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 16:23:16,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:16,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679119706] [2022-10-16 16:23:16,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679119706] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:16,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:16,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:23:16,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608384628] [2022-10-16 16:23:16,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:16,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:23:16,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:16,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:23:16,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:16,827 INFO L87 Difference]: Start difference. First operand 2404 states and 3344 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:17,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:17,483 INFO L93 Difference]: Finished difference Result 2418 states and 3344 transitions. [2022-10-16 16:23:17,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:23:17,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:23:17,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:17,494 INFO L225 Difference]: With dead ends: 2418 [2022-10-16 16:23:17,495 INFO L226 Difference]: Without dead ends: 2410 [2022-10-16 16:23:17,496 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 16:23:17,496 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 1084 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1084 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:17,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1084 Valid, 804 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:17,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2022-10-16 16:23:17,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 2396. [2022-10-16 16:23:17,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 2316 states have (on average 1.4339378238341969) internal successors, (3321), 2395 states have internal predecessors, (3321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3321 transitions. [2022-10-16 16:23:17,666 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3321 transitions. Word has length 73 [2022-10-16 16:23:17,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:17,666 INFO L495 AbstractCegarLoop]: Abstraction has 2396 states and 3321 transitions. [2022-10-16 16:23:17,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3321 transitions. [2022-10-16 16:23:17,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:23:17,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:17,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:17,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:23:17,669 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr142ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:17,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:17,670 INFO L85 PathProgramCache]: Analyzing trace with hash 851213812, now seen corresponding path program 1 times [2022-10-16 16:23:17,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:17,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473138548] [2022-10-16 16:23:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:17,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:17,782 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 16:23:17,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:17,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473138548] [2022-10-16 16:23:17,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473138548] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:17,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:17,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:23:17,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739084000] [2022-10-16 16:23:17,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:17,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:23:17,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:17,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:23:17,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:17,822 INFO L87 Difference]: Start difference. First operand 2396 states and 3321 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:18,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:18,574 INFO L93 Difference]: Finished difference Result 2649 states and 3670 transitions. [2022-10-16 16:23:18,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:23:18,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:23:18,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:18,587 INFO L225 Difference]: With dead ends: 2649 [2022-10-16 16:23:18,587 INFO L226 Difference]: Without dead ends: 2643 [2022-10-16 16:23:18,588 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 16:23:18,589 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 379 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:18,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 1652 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:18,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2022-10-16 16:23:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 2393. [2022-10-16 16:23:18,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2393 states, 2316 states have (on average 1.4248704663212435) internal successors, (3300), 2392 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:18,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 3300 transitions. [2022-10-16 16:23:18,756 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 3300 transitions. Word has length 73 [2022-10-16 16:23:18,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:18,757 INFO L495 AbstractCegarLoop]: Abstraction has 2393 states and 3300 transitions. [2022-10-16 16:23:18,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 3300 transitions. [2022-10-16 16:23:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:23:18,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:18,759 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 16:23:18,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:23:18,759 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:18,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:18,760 INFO L85 PathProgramCache]: Analyzing trace with hash -967812475, now seen corresponding path program 1 times [2022-10-16 16:23:18,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:18,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99691345] [2022-10-16 16:23:18,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:18,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:18,903 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 16:23:18,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:18,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99691345] [2022-10-16 16:23:18,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99691345] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:18,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:18,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:18,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960179782] [2022-10-16 16:23:18,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:18,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:18,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:18,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:18,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:18,906 INFO L87 Difference]: Start difference. First operand 2393 states and 3300 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:23:19,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:19,679 INFO L93 Difference]: Finished difference Result 2423 states and 3300 transitions. [2022-10-16 16:23:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:19,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:23:19,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:19,691 INFO L225 Difference]: With dead ends: 2423 [2022-10-16 16:23:19,691 INFO L226 Difference]: Without dead ends: 2417 [2022-10-16 16:23:19,692 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 16:23:19,693 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 1572 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:19,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 1210 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2417 states. [2022-10-16 16:23:19,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2417 to 2242. [2022-10-16 16:23:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 2168 states have (on average 1.419280442804428) internal successors, (3077), 2241 states have internal predecessors, (3077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 3077 transitions. [2022-10-16 16:23:19,848 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 3077 transitions. Word has length 74 [2022-10-16 16:23:19,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:19,848 INFO L495 AbstractCegarLoop]: Abstraction has 2242 states and 3077 transitions. [2022-10-16 16:23:19,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:23:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 3077 transitions. [2022-10-16 16:23:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:23:19,850 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:19,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:19,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:23:19,851 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:19,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:19,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1253385117, now seen corresponding path program 1 times [2022-10-16 16:23:19,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:19,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902075120] [2022-10-16 16:23:19,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:19,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:19,996 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 16:23:19,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:19,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902075120] [2022-10-16 16:23:19,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902075120] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:19,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:19,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:19,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704146274] [2022-10-16 16:23:19,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:19,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:19,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:19,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:19,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:19,999 INFO L87 Difference]: Start difference. First operand 2242 states and 3077 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:23:20,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:20,815 INFO L93 Difference]: Finished difference Result 2645 states and 3628 transitions. [2022-10-16 16:23:20,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:20,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:23:20,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:20,822 INFO L225 Difference]: With dead ends: 2645 [2022-10-16 16:23:20,822 INFO L226 Difference]: Without dead ends: 2639 [2022-10-16 16:23:20,823 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 16:23:20,824 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 1391 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:20,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 1283 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:20,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2022-10-16 16:23:21,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2609. [2022-10-16 16:23:21,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 2538 states have (on average 1.4247438928289993) internal successors, (3616), 2608 states have internal predecessors, (3616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:21,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 3616 transitions. [2022-10-16 16:23:21,014 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 3616 transitions. Word has length 74 [2022-10-16 16:23:21,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:21,015 INFO L495 AbstractCegarLoop]: Abstraction has 2609 states and 3616 transitions. [2022-10-16 16:23:21,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:23:21,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3616 transitions. [2022-10-16 16:23:21,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:23:21,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:21,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:21,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:23:21,017 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:21,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:21,018 INFO L85 PathProgramCache]: Analyzing trace with hash 554959708, now seen corresponding path program 1 times [2022-10-16 16:23:21,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:21,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150384883] [2022-10-16 16:23:21,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:21,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:21,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:21,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150384883] [2022-10-16 16:23:21,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150384883] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:21,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:21,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:21,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617291554] [2022-10-16 16:23:21,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:21,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:21,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:21,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:21,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:21,191 INFO L87 Difference]: Start difference. First operand 2609 states and 3616 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:23:22,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:22,000 INFO L93 Difference]: Finished difference Result 3086 states and 4296 transitions. [2022-10-16 16:23:22,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:22,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:23:22,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:22,007 INFO L225 Difference]: With dead ends: 3086 [2022-10-16 16:23:22,007 INFO L226 Difference]: Without dead ends: 3080 [2022-10-16 16:23:22,008 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 16:23:22,009 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 1526 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:22,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 1187 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:22,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2022-10-16 16:23:22,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 2828. [2022-10-16 16:23:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2760 states have (on average 1.4289855072463769) internal successors, (3944), 2827 states have internal predecessors, (3944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 3944 transitions. [2022-10-16 16:23:22,253 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 3944 transitions. Word has length 74 [2022-10-16 16:23:22,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:22,253 INFO L495 AbstractCegarLoop]: Abstraction has 2828 states and 3944 transitions. [2022-10-16 16:23:22,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 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 16:23:22,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3944 transitions. [2022-10-16 16:23:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:23:22,256 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:22,256 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 16:23:22,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:23:22,257 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:22,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:22,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1685668532, now seen corresponding path program 1 times [2022-10-16 16:23:22,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:22,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015613869] [2022-10-16 16:23:22,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:22,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:22,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:22,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015613869] [2022-10-16 16:23:22,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015613869] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:22,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:22,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:22,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132538803] [2022-10-16 16:23:22,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:22,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:22,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:22,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:22,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:22,427 INFO L87 Difference]: Start difference. First operand 2828 states and 3944 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:23,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:23,241 INFO L93 Difference]: Finished difference Result 3086 states and 4284 transitions. [2022-10-16 16:23:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:23,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:23,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:23,246 INFO L225 Difference]: With dead ends: 3086 [2022-10-16 16:23:23,246 INFO L226 Difference]: Without dead ends: 3081 [2022-10-16 16:23:23,247 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 16:23:23,248 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 898 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:23,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 1258 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:23,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3081 states. [2022-10-16 16:23:23,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3081 to 2826. [2022-10-16 16:23:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 2760 states have (on average 1.425) internal successors, (3933), 2825 states have internal predecessors, (3933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 3933 transitions. [2022-10-16 16:23:23,433 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 3933 transitions. Word has length 75 [2022-10-16 16:23:23,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:23,434 INFO L495 AbstractCegarLoop]: Abstraction has 2826 states and 3933 transitions. [2022-10-16 16:23:23,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:23,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3933 transitions. [2022-10-16 16:23:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:23:23,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:23,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:23,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:23:23,447 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:23,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:23,447 INFO L85 PathProgramCache]: Analyzing trace with hash 200233712, now seen corresponding path program 1 times [2022-10-16 16:23:23,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:23,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488786921] [2022-10-16 16:23:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:23,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:23,590 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 16:23:23,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:23,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488786921] [2022-10-16 16:23:23,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488786921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:23,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:23,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:23,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777760657] [2022-10-16 16:23:23,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:23,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:23,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:23,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:23,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:23,592 INFO L87 Difference]: Start difference. First operand 2826 states and 3933 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:24,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:24,441 INFO L93 Difference]: Finished difference Result 3745 states and 5293 transitions. [2022-10-16 16:23:24,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:24,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:24,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:24,454 INFO L225 Difference]: With dead ends: 3745 [2022-10-16 16:23:24,454 INFO L226 Difference]: Without dead ends: 3739 [2022-10-16 16:23:24,456 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 16:23:24,457 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 1716 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:24,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1716 Valid, 974 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:24,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3739 states. [2022-10-16 16:23:24,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3739 to 3489. [2022-10-16 16:23:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 3426 states have (on average 1.4395796847635727) internal successors, (4932), 3488 states have internal predecessors, (4932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4932 transitions. [2022-10-16 16:23:24,706 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4932 transitions. Word has length 75 [2022-10-16 16:23:24,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:24,707 INFO L495 AbstractCegarLoop]: Abstraction has 3489 states and 4932 transitions. [2022-10-16 16:23:24,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4932 transitions. [2022-10-16 16:23:24,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:23:24,709 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:24,709 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 16:23:24,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:23:24,709 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:24,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:24,710 INFO L85 PathProgramCache]: Analyzing trace with hash 23882714, now seen corresponding path program 1 times [2022-10-16 16:23:24,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:24,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759828877] [2022-10-16 16:23:24,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:24,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:24,843 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 16:23:24,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:24,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759828877] [2022-10-16 16:23:24,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759828877] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:24,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:24,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:24,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996266487] [2022-10-16 16:23:24,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:24,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:24,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:24,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:24,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:24,845 INFO L87 Difference]: Start difference. First operand 3489 states and 4932 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:25,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:25,853 INFO L93 Difference]: Finished difference Result 4411 states and 6310 transitions. [2022-10-16 16:23:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:25,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:25,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:25,862 INFO L225 Difference]: With dead ends: 4411 [2022-10-16 16:23:25,863 INFO L226 Difference]: Without dead ends: 4403 [2022-10-16 16:23:25,864 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 16:23:25,865 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 1794 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:25,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1794 Valid, 917 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:25,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4403 states. [2022-10-16 16:23:26,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4403 to 4372. [2022-10-16 16:23:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4372 states, 4314 states have (on average 1.4510894761242465) internal successors, (6260), 4371 states have internal predecessors, (6260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 6260 transitions. [2022-10-16 16:23:26,140 INFO L78 Accepts]: Start accepts. Automaton has 4372 states and 6260 transitions. Word has length 75 [2022-10-16 16:23:26,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:26,140 INFO L495 AbstractCegarLoop]: Abstraction has 4372 states and 6260 transitions. [2022-10-16 16:23:26,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 6260 transitions. [2022-10-16 16:23:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:23:26,142 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:26,142 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 16:23:26,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:23:26,143 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:26,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:26,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1862019530, now seen corresponding path program 1 times [2022-10-16 16:23:26,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:26,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976752230] [2022-10-16 16:23:26,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:26,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:26,347 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 16:23:26,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:26,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976752230] [2022-10-16 16:23:26,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976752230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:26,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:26,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:26,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312669424] [2022-10-16 16:23:26,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:26,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:26,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:26,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:26,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:26,349 INFO L87 Difference]: Start difference. First operand 4372 states and 6260 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:27,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:27,291 INFO L93 Difference]: Finished difference Result 5068 states and 7253 transitions. [2022-10-16 16:23:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:27,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:27,307 INFO L225 Difference]: With dead ends: 5068 [2022-10-16 16:23:27,307 INFO L226 Difference]: Without dead ends: 5063 [2022-10-16 16:23:27,309 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 16:23:27,311 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 929 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:27,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 1505 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:27,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5063 states. [2022-10-16 16:23:27,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5063 to 4814. [2022-10-16 16:23:27,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4814 states, 4758 states have (on average 1.4525010508617067) internal successors, (6911), 4813 states have internal predecessors, (6911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:27,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4814 states to 4814 states and 6911 transitions. [2022-10-16 16:23:27,717 INFO L78 Accepts]: Start accepts. Automaton has 4814 states and 6911 transitions. Word has length 75 [2022-10-16 16:23:27,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:27,718 INFO L495 AbstractCegarLoop]: Abstraction has 4814 states and 6911 transitions. [2022-10-16 16:23:27,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:27,718 INFO L276 IsEmpty]: Start isEmpty. Operand 4814 states and 6911 transitions. [2022-10-16 16:23:27,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:23:27,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:27,720 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 16:23:27,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:23:27,720 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr144ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:27,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:27,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1972723190, now seen corresponding path program 1 times [2022-10-16 16:23:27,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:27,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766906441] [2022-10-16 16:23:27,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:27,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:27,868 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 16:23:27,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:27,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766906441] [2022-10-16 16:23:27,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766906441] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:27,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:27,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:27,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432718528] [2022-10-16 16:23:27,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:27,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:27,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:27,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:27,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:27,870 INFO L87 Difference]: Start difference. First operand 4814 states and 6911 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:28,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:28,724 INFO L93 Difference]: Finished difference Result 5963 states and 8584 transitions. [2022-10-16 16:23:28,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:28,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:28,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:28,737 INFO L225 Difference]: With dead ends: 5963 [2022-10-16 16:23:28,737 INFO L226 Difference]: Without dead ends: 5958 [2022-10-16 16:23:28,740 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 16:23:28,740 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 906 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:28,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 1425 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:28,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5958 states. [2022-10-16 16:23:29,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5958 to 5922. [2022-10-16 16:23:29,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5922 states, 5868 states have (on average 1.4594410361281527) internal successors, (8564), 5921 states have internal predecessors, (8564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:29,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5922 states to 5922 states and 8564 transitions. [2022-10-16 16:23:29,293 INFO L78 Accepts]: Start accepts. Automaton has 5922 states and 8564 transitions. Word has length 75 [2022-10-16 16:23:29,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:29,294 INFO L495 AbstractCegarLoop]: Abstraction has 5922 states and 8564 transitions. [2022-10-16 16:23:29,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 16:23:29,294 INFO L276 IsEmpty]: Start isEmpty. Operand 5922 states and 8564 transitions. [2022-10-16 16:23:29,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:23:29,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:29,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:29,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:23:29,296 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:29,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:29,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1940135079, now seen corresponding path program 1 times [2022-10-16 16:23:29,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:29,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769914646] [2022-10-16 16:23:29,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:29,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:29,458 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 16:23:29,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:29,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769914646] [2022-10-16 16:23:29,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769914646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:29,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:29,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:29,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080513962] [2022-10-16 16:23:29,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:29,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:29,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:29,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:29,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:29,461 INFO L87 Difference]: Start difference. First operand 5922 states and 8564 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:30,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:30,578 INFO L93 Difference]: Finished difference Result 10257 states and 14983 transitions. [2022-10-16 16:23:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:30,580 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:23:30,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:30,593 INFO L225 Difference]: With dead ends: 10257 [2022-10-16 16:23:30,593 INFO L226 Difference]: Without dead ends: 6242 [2022-10-16 16:23:30,601 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 16:23:30,602 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 1992 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:30,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 1537 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:30,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6242 states. [2022-10-16 16:23:30,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6242 to 6216. [2022-10-16 16:23:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6216 states, 6164 states have (on average 1.4566839714471123) internal successors, (8979), 6215 states have internal predecessors, (8979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:31,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6216 states to 6216 states and 8979 transitions. [2022-10-16 16:23:31,017 INFO L78 Accepts]: Start accepts. Automaton has 6216 states and 8979 transitions. Word has length 76 [2022-10-16 16:23:31,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:31,018 INFO L495 AbstractCegarLoop]: Abstraction has 6216 states and 8979 transitions. [2022-10-16 16:23:31,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:31,018 INFO L276 IsEmpty]: Start isEmpty. Operand 6216 states and 8979 transitions. [2022-10-16 16:23:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:23:31,020 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:31,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:31,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:23:31,020 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:31,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:31,021 INFO L85 PathProgramCache]: Analyzing trace with hash -921400297, now seen corresponding path program 1 times [2022-10-16 16:23:31,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:31,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136244989] [2022-10-16 16:23:31,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:31,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:31,177 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 16:23:31,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:31,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136244989] [2022-10-16 16:23:31,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136244989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:31,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:31,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:31,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820269007] [2022-10-16 16:23:31,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:31,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:31,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:31,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:31,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:31,179 INFO L87 Difference]: Start difference. First operand 6216 states and 8979 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:32,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:32,236 INFO L93 Difference]: Finished difference Result 11510 states and 16839 transitions. [2022-10-16 16:23:32,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:23:32,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:23:32,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:32,248 INFO L225 Difference]: With dead ends: 11510 [2022-10-16 16:23:32,248 INFO L226 Difference]: Without dead ends: 6224 [2022-10-16 16:23:32,257 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 16:23:32,258 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 1964 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:32,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 1548 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:32,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6224 states. [2022-10-16 16:23:32,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6224 to 6201. [2022-10-16 16:23:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6201 states, 6151 states have (on average 1.456673711591611) internal successors, (8960), 6200 states have internal predecessors, (8960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:32,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6201 states to 6201 states and 8960 transitions. [2022-10-16 16:23:32,720 INFO L78 Accepts]: Start accepts. Automaton has 6201 states and 8960 transitions. Word has length 76 [2022-10-16 16:23:32,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:32,720 INFO L495 AbstractCegarLoop]: Abstraction has 6201 states and 8960 transitions. [2022-10-16 16:23:32,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 6201 states and 8960 transitions. [2022-10-16 16:23:32,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:23:32,722 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:32,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:32,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:23:32,723 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:32,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:32,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1912278527, now seen corresponding path program 1 times [2022-10-16 16:23:32,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:32,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441030663] [2022-10-16 16:23:32,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:32,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:32,887 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 16:23:32,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:32,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441030663] [2022-10-16 16:23:32,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441030663] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:32,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:32,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:32,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741491167] [2022-10-16 16:23:32,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:32,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:32,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:32,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:32,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:32,890 INFO L87 Difference]: Start difference. First operand 6201 states and 8960 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:34,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:34,065 INFO L93 Difference]: Finished difference Result 10240 states and 14981 transitions. [2022-10-16 16:23:34,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:34,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:23:34,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:34,074 INFO L225 Difference]: With dead ends: 10240 [2022-10-16 16:23:34,074 INFO L226 Difference]: Without dead ends: 6447 [2022-10-16 16:23:34,080 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 16:23:34,081 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 1952 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 1693 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:34,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 1693 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:23:34,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6447 states. [2022-10-16 16:23:34,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6447 to 6421. [2022-10-16 16:23:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6421 states, 6373 states have (on average 1.4548878079397458) internal successors, (9272), 6420 states have internal predecessors, (9272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6421 states to 6421 states and 9272 transitions. [2022-10-16 16:23:34,491 INFO L78 Accepts]: Start accepts. Automaton has 6421 states and 9272 transitions. Word has length 76 [2022-10-16 16:23:34,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:34,491 INFO L495 AbstractCegarLoop]: Abstraction has 6421 states and 9272 transitions. [2022-10-16 16:23:34,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 6421 states and 9272 transitions. [2022-10-16 16:23:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:23:34,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:34,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:34,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:23:34,494 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:34,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:34,494 INFO L85 PathProgramCache]: Analyzing trace with hash 740365086, now seen corresponding path program 1 times [2022-10-16 16:23:34,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:34,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253869358] [2022-10-16 16:23:34,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:34,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:34,667 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 16:23:34,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:34,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253869358] [2022-10-16 16:23:34,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253869358] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:34,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:34,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:34,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055896692] [2022-10-16 16:23:34,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:34,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:34,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:34,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:34,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:34,670 INFO L87 Difference]: Start difference. First operand 6421 states and 9272 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:35,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:35,782 INFO L93 Difference]: Finished difference Result 9347 states and 13566 transitions. [2022-10-16 16:23:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:35,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:23:35,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:35,789 INFO L225 Difference]: With dead ends: 9347 [2022-10-16 16:23:35,790 INFO L226 Difference]: Without dead ends: 6667 [2022-10-16 16:23:35,794 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 16:23:35,795 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 1915 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:35,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1915 Valid, 1579 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:35,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6667 states. [2022-10-16 16:23:36,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6667 to 6641. [2022-10-16 16:23:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6641 states, 6595 states have (on average 1.4532221379833208) internal successors, (9584), 6640 states have internal predecessors, (9584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6641 states to 6641 states and 9584 transitions. [2022-10-16 16:23:36,204 INFO L78 Accepts]: Start accepts. Automaton has 6641 states and 9584 transitions. Word has length 76 [2022-10-16 16:23:36,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:36,204 INFO L495 AbstractCegarLoop]: Abstraction has 6641 states and 9584 transitions. [2022-10-16 16:23:36,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 6641 states and 9584 transitions. [2022-10-16 16:23:36,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:23:36,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:36,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:36,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:23:36,207 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr156ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:36,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:36,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1577065230, now seen corresponding path program 1 times [2022-10-16 16:23:36,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:36,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686148894] [2022-10-16 16:23:36,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:36,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:36,339 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 16:23:36,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:36,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686148894] [2022-10-16 16:23:36,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686148894] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:36,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:36,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:36,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149891657] [2022-10-16 16:23:36,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:36,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:36,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:36,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:36,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:36,342 INFO L87 Difference]: Start difference. First operand 6641 states and 9584 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:37,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:37,163 INFO L93 Difference]: Finished difference Result 7346 states and 10595 transitions. [2022-10-16 16:23:37,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:37,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:23:37,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:37,170 INFO L225 Difference]: With dead ends: 7346 [2022-10-16 16:23:37,170 INFO L226 Difference]: Without dead ends: 7339 [2022-10-16 16:23:37,171 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 16:23:37,173 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 651 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:37,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 1425 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:23:37,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7339 states. [2022-10-16 16:23:37,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7339 to 6418. [2022-10-16 16:23:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6418 states, 6373 states have (on average 1.4461007374862702) internal successors, (9216), 6417 states have internal predecessors, (9216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:37,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6418 states to 6418 states and 9216 transitions. [2022-10-16 16:23:37,565 INFO L78 Accepts]: Start accepts. Automaton has 6418 states and 9216 transitions. Word has length 76 [2022-10-16 16:23:37,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:37,565 INFO L495 AbstractCegarLoop]: Abstraction has 6418 states and 9216 transitions. [2022-10-16 16:23:37,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 6418 states and 9216 transitions. [2022-10-16 16:23:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:23:37,567 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:37,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:37,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:23:37,567 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr145ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:37,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:37,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1024877878, now seen corresponding path program 1 times [2022-10-16 16:23:37,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:37,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242914166] [2022-10-16 16:23:37,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:37,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:37,697 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 16:23:37,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:37,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242914166] [2022-10-16 16:23:37,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242914166] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:37,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:37,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:37,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605175720] [2022-10-16 16:23:37,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:37,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:37,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:37,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:37,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:37,699 INFO L87 Difference]: Start difference. First operand 6418 states and 9216 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:38,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:38,560 INFO L93 Difference]: Finished difference Result 6443 states and 9216 transitions. [2022-10-16 16:23:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:38,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:23:38,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:38,567 INFO L225 Difference]: With dead ends: 6443 [2022-10-16 16:23:38,567 INFO L226 Difference]: Without dead ends: 6438 [2022-10-16 16:23:38,568 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 16:23:38,569 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 1204 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:38,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 1073 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:38,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6438 states. [2022-10-16 16:23:39,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6438 to 5306. [2022-10-16 16:23:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5306 states, 5263 states have (on average 1.4328329849895496) internal successors, (7541), 5305 states have internal predecessors, (7541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5306 states to 5306 states and 7541 transitions. [2022-10-16 16:23:39,036 INFO L78 Accepts]: Start accepts. Automaton has 5306 states and 7541 transitions. Word has length 76 [2022-10-16 16:23:39,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:39,037 INFO L495 AbstractCegarLoop]: Abstraction has 5306 states and 7541 transitions. [2022-10-16 16:23:39,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:39,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 7541 transitions. [2022-10-16 16:23:39,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:23:39,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:39,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:39,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:23:39,040 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:39,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:39,041 INFO L85 PathProgramCache]: Analyzing trace with hash 14645944, now seen corresponding path program 1 times [2022-10-16 16:23:39,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:39,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978958274] [2022-10-16 16:23:39,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:39,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:39,195 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 16:23:39,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:39,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978958274] [2022-10-16 16:23:39,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978958274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:39,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:39,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:39,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789309756] [2022-10-16 16:23:39,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:39,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:39,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:39,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:39,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:39,198 INFO L87 Difference]: Start difference. First operand 5306 states and 7541 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:40,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:40,346 INFO L93 Difference]: Finished difference Result 10234 states and 14753 transitions. [2022-10-16 16:23:40,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:40,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:23:40,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:40,354 INFO L225 Difference]: With dead ends: 10234 [2022-10-16 16:23:40,354 INFO L226 Difference]: Without dead ends: 6869 [2022-10-16 16:23:40,358 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 16:23:40,358 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 2478 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2478 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:40,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2478 Valid, 1056 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:40,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6869 states. [2022-10-16 16:23:40,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6869 to 6546. [2022-10-16 16:23:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6546 states, 6505 states have (on average 1.438739431206764) internal successors, (9359), 6545 states have internal predecessors, (9359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6546 states to 6546 states and 9359 transitions. [2022-10-16 16:23:40,900 INFO L78 Accepts]: Start accepts. Automaton has 6546 states and 9359 transitions. Word has length 77 [2022-10-16 16:23:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:40,901 INFO L495 AbstractCegarLoop]: Abstraction has 6546 states and 9359 transitions. [2022-10-16 16:23:40,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 6546 states and 9359 transitions. [2022-10-16 16:23:40,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:23:40,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:40,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:40,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:23:40,903 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:40,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:40,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1895961960, now seen corresponding path program 1 times [2022-10-16 16:23:40,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:40,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193843399] [2022-10-16 16:23:40,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:40,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:41,037 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 16:23:41,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:41,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193843399] [2022-10-16 16:23:41,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193843399] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:41,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:41,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:41,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263350955] [2022-10-16 16:23:41,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:41,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:41,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:41,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:41,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:41,040 INFO L87 Difference]: Start difference. First operand 6546 states and 9359 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:42,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:42,309 INFO L93 Difference]: Finished difference Result 6643 states and 9466 transitions. [2022-10-16 16:23:42,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:42,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:23:42,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:42,315 INFO L225 Difference]: With dead ends: 6643 [2022-10-16 16:23:42,315 INFO L226 Difference]: Without dead ends: 6639 [2022-10-16 16:23:42,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:42,317 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 1430 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1430 SdHoareTripleChecker+Valid, 2026 SdHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:42,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1430 Valid, 2026 Invalid, 1537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1528 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:23:42,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6639 states. [2022-10-16 16:23:42,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6639 to 6619. [2022-10-16 16:23:42,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6619 states, 6579 states have (on average 1.4382124943000456) internal successors, (9462), 6618 states have internal predecessors, (9462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6619 states to 6619 states and 9462 transitions. [2022-10-16 16:23:42,793 INFO L78 Accepts]: Start accepts. Automaton has 6619 states and 9462 transitions. Word has length 77 [2022-10-16 16:23:42,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:42,793 INFO L495 AbstractCegarLoop]: Abstraction has 6619 states and 9462 transitions. [2022-10-16 16:23:42,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 6619 states and 9462 transitions. [2022-10-16 16:23:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:23:42,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:42,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:42,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:23:42,795 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:42,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:42,796 INFO L85 PathProgramCache]: Analyzing trace with hash -724761650, now seen corresponding path program 1 times [2022-10-16 16:23:42,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:42,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064119010] [2022-10-16 16:23:42,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:42,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:42,929 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 16:23:42,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:42,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064119010] [2022-10-16 16:23:42,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064119010] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:42,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:42,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:42,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275980810] [2022-10-16 16:23:42,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:42,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:42,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:42,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:42,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:42,931 INFO L87 Difference]: Start difference. First operand 6619 states and 9462 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:44,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:44,150 INFO L93 Difference]: Finished difference Result 7317 states and 10437 transitions. [2022-10-16 16:23:44,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:44,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:23:44,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:44,157 INFO L225 Difference]: With dead ends: 7317 [2022-10-16 16:23:44,158 INFO L226 Difference]: Without dead ends: 7313 [2022-10-16 16:23:44,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:44,160 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 1428 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 1692 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:44,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 1692 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:44,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7313 states. [2022-10-16 16:23:44,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7313 to 7284. [2022-10-16 16:23:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7284 states, 7245 states have (on average 1.4387853692201518) internal successors, (10424), 7283 states have internal predecessors, (10424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:44,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 10424 transitions. [2022-10-16 16:23:44,745 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 10424 transitions. Word has length 77 [2022-10-16 16:23:44,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:44,746 INFO L495 AbstractCegarLoop]: Abstraction has 7284 states and 10424 transitions. [2022-10-16 16:23:44,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:44,746 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 10424 transitions. [2022-10-16 16:23:44,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:23:44,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:44,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:44,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:23:44,751 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:44,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:44,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1535452338, now seen corresponding path program 1 times [2022-10-16 16:23:44,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:44,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446937461] [2022-10-16 16:23:44,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:44,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:44,908 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 16:23:44,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:44,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446937461] [2022-10-16 16:23:44,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446937461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:44,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:44,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:44,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25987899] [2022-10-16 16:23:44,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:44,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:44,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:44,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:44,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:44,910 INFO L87 Difference]: Start difference. First operand 7284 states and 10424 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:46,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:46,288 INFO L93 Difference]: Finished difference Result 7535 states and 10746 transitions. [2022-10-16 16:23:46,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:46,288 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:23:46,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:46,299 INFO L225 Difference]: With dead ends: 7535 [2022-10-16 16:23:46,299 INFO L226 Difference]: Without dead ends: 7531 [2022-10-16 16:23:46,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:46,302 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 1360 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 1600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:46,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 2034 Invalid, 1600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1592 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:23:46,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7531 states. [2022-10-16 16:23:46,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7531 to 7505. [2022-10-16 16:23:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7505 states, 7467 states have (on average 1.4373911878933976) internal successors, (10733), 7504 states have internal predecessors, (10733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7505 states to 7505 states and 10733 transitions. [2022-10-16 16:23:46,827 INFO L78 Accepts]: Start accepts. Automaton has 7505 states and 10733 transitions. Word has length 77 [2022-10-16 16:23:46,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:46,827 INFO L495 AbstractCegarLoop]: Abstraction has 7505 states and 10733 transitions. [2022-10-16 16:23:46,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 7505 states and 10733 transitions. [2022-10-16 16:23:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:23:46,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:46,829 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:46,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:23:46,830 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:46,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:46,830 INFO L85 PathProgramCache]: Analyzing trace with hash -848907054, now seen corresponding path program 1 times [2022-10-16 16:23:46,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:46,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968660188] [2022-10-16 16:23:46,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:46,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:46,950 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 16:23:46,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:46,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968660188] [2022-10-16 16:23:46,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968660188] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:46,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:46,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:46,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388594149] [2022-10-16 16:23:46,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:46,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:46,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:46,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:46,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:46,953 INFO L87 Difference]: Start difference. First operand 7505 states and 10733 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:48,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:48,368 INFO L93 Difference]: Finished difference Result 16444 states and 23870 transitions. [2022-10-16 16:23:48,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:48,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:23:48,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:48,381 INFO L225 Difference]: With dead ends: 16444 [2022-10-16 16:23:48,381 INFO L226 Difference]: Without dead ends: 11068 [2022-10-16 16:23:48,388 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 16:23:48,389 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 2344 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:48,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 1117 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11068 states. [2022-10-16 16:23:49,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11068 to 10064. [2022-10-16 16:23:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10064 states, 10029 states have (on average 1.4507927011666168) internal successors, (14550), 10063 states have internal predecessors, (14550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10064 states to 10064 states and 14550 transitions. [2022-10-16 16:23:49,134 INFO L78 Accepts]: Start accepts. Automaton has 10064 states and 14550 transitions. Word has length 77 [2022-10-16 16:23:49,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:49,135 INFO L495 AbstractCegarLoop]: Abstraction has 10064 states and 14550 transitions. [2022-10-16 16:23:49,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 10064 states and 14550 transitions. [2022-10-16 16:23:49,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:23:49,137 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:49,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:49,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:23:49,137 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr128ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:49,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:49,138 INFO L85 PathProgramCache]: Analyzing trace with hash -434125764, now seen corresponding path program 1 times [2022-10-16 16:23:49,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:49,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539151732] [2022-10-16 16:23:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:49,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:49,272 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 16:23:49,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:49,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539151732] [2022-10-16 16:23:49,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539151732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:49,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:49,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:49,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279306167] [2022-10-16 16:23:49,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:49,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:49,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:49,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:49,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:49,274 INFO L87 Difference]: Start difference. First operand 10064 states and 14550 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:50,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:50,627 INFO L93 Difference]: Finished difference Result 10315 states and 14872 transitions. [2022-10-16 16:23:50,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:50,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:23:50,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:50,637 INFO L225 Difference]: With dead ends: 10315 [2022-10-16 16:23:50,638 INFO L226 Difference]: Without dead ends: 10311 [2022-10-16 16:23:50,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:50,640 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 1505 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:50,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 1344 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:50,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10311 states. [2022-10-16 16:23:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10311 to 10285. [2022-10-16 16:23:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10285 states, 10251 states have (on average 1.450102429031314) internal successors, (14865), 10284 states have internal predecessors, (14865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10285 states to 10285 states and 14865 transitions. [2022-10-16 16:23:51,408 INFO L78 Accepts]: Start accepts. Automaton has 10285 states and 14865 transitions. Word has length 77 [2022-10-16 16:23:51,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:51,408 INFO L495 AbstractCegarLoop]: Abstraction has 10285 states and 14865 transitions. [2022-10-16 16:23:51,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 10285 states and 14865 transitions. [2022-10-16 16:23:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:23:51,410 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:51,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:51,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:23:51,410 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:51,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:51,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1476482140, now seen corresponding path program 1 times [2022-10-16 16:23:51,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:51,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143976502] [2022-10-16 16:23:51,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:51,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:51,554 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 16:23:51,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:51,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143976502] [2022-10-16 16:23:51,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143976502] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:51,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:51,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:51,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809458241] [2022-10-16 16:23:51,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:51,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:51,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:51,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:51,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:51,557 INFO L87 Difference]: Start difference. First operand 10285 states and 14865 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:52,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:52,994 INFO L93 Difference]: Finished difference Result 17522 states and 25446 transitions. [2022-10-16 16:23:52,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:52,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:23:52,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:53,007 INFO L225 Difference]: With dead ends: 17522 [2022-10-16 16:23:53,007 INFO L226 Difference]: Without dead ends: 11865 [2022-10-16 16:23:53,015 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 16:23:53,015 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 2454 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:53,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 981 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:53,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11865 states. [2022-10-16 16:23:53,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11865 to 11302. [2022-10-16 16:23:53,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11302 states, 11271 states have (on average 1.4539082601366338) internal successors, (16387), 11301 states have internal predecessors, (16387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11302 states to 11302 states and 16387 transitions. [2022-10-16 16:23:53,855 INFO L78 Accepts]: Start accepts. Automaton has 11302 states and 16387 transitions. Word has length 77 [2022-10-16 16:23:53,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:53,855 INFO L495 AbstractCegarLoop]: Abstraction has 11302 states and 16387 transitions. [2022-10-16 16:23:53,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:53,856 INFO L276 IsEmpty]: Start isEmpty. Operand 11302 states and 16387 transitions. [2022-10-16 16:23:53,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:23:53,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:53,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:53,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:23:53,857 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr134ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:53,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:53,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1600627544, now seen corresponding path program 1 times [2022-10-16 16:23:53,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:53,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605336498] [2022-10-16 16:23:53,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:53,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:53,993 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 16:23:53,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:53,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605336498] [2022-10-16 16:23:53,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605336498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:53,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:53,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:53,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371132303] [2022-10-16 16:23:53,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:53,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:53,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:53,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:53,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:53,995 INFO L87 Difference]: Start difference. First operand 11302 states and 16387 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:55,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:55,441 INFO L93 Difference]: Finished difference Result 12000 states and 17362 transitions. [2022-10-16 16:23:55,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:55,441 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:23:55,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:55,455 INFO L225 Difference]: With dead ends: 12000 [2022-10-16 16:23:55,456 INFO L226 Difference]: Without dead ends: 11996 [2022-10-16 16:23:55,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:55,459 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 1476 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:55,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 1312 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:55,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11996 states. [2022-10-16 16:23:56,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11996 to 11967. [2022-10-16 16:23:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11967 states, 11937 states have (on average 1.4533802462930385) internal successors, (17349), 11966 states have internal predecessors, (17349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11967 states to 11967 states and 17349 transitions. [2022-10-16 16:23:56,352 INFO L78 Accepts]: Start accepts. Automaton has 11967 states and 17349 transitions. Word has length 77 [2022-10-16 16:23:56,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:56,353 INFO L495 AbstractCegarLoop]: Abstraction has 11967 states and 17349 transitions. [2022-10-16 16:23:56,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 11967 states and 17349 transitions. [2022-10-16 16:23:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:23:56,355 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:56,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:56,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:23:56,355 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr146ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:56,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:56,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1706444280, now seen corresponding path program 1 times [2022-10-16 16:23:56,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:56,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978369265] [2022-10-16 16:23:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:56,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:56,491 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 16:23:56,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:56,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978369265] [2022-10-16 16:23:56,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978369265] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:56,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:56,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:56,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724817661] [2022-10-16 16:23:56,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:56,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:56,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:56,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:56,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:56,493 INFO L87 Difference]: Start difference. First operand 11967 states and 17349 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:58,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:58,106 INFO L93 Difference]: Finished difference Result 13343 states and 19308 transitions. [2022-10-16 16:23:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:58,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:23:58,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:58,121 INFO L225 Difference]: With dead ends: 13343 [2022-10-16 16:23:58,121 INFO L226 Difference]: Without dead ends: 13339 [2022-10-16 16:23:58,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:58,124 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 1441 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:58,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 1860 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:58,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13339 states. [2022-10-16 16:23:59,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13339 to 12632. [2022-10-16 16:23:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12632 states, 12603 states have (on average 1.4543362691422677) internal successors, (18329), 12631 states have internal predecessors, (18329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:59,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12632 states to 12632 states and 18329 transitions. [2022-10-16 16:23:59,067 INFO L78 Accepts]: Start accepts. Automaton has 12632 states and 18329 transitions. Word has length 77 [2022-10-16 16:23:59,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:59,067 INFO L495 AbstractCegarLoop]: Abstraction has 12632 states and 18329 transitions. [2022-10-16 16:23:59,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:59,067 INFO L276 IsEmpty]: Start isEmpty. Operand 12632 states and 18329 transitions. [2022-10-16 16:23:59,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:59,069 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:59,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:59,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:23:59,069 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:23:59,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:59,070 INFO L85 PathProgramCache]: Analyzing trace with hash -992773822, now seen corresponding path program 1 times [2022-10-16 16:23:59,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:59,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739143320] [2022-10-16 16:23:59,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:59,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:59,214 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 16:23:59,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:59,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739143320] [2022-10-16 16:23:59,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739143320] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:59,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:59,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:59,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104535650] [2022-10-16 16:23:59,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:59,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:59,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:59,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:59,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:59,217 INFO L87 Difference]: Start difference. First operand 12632 states and 18329 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:01,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:01,096 INFO L93 Difference]: Finished difference Result 23440 states and 34319 transitions. [2022-10-16 16:24:01,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:01,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:24:01,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:01,118 INFO L225 Difference]: With dead ends: 23440 [2022-10-16 16:24:01,118 INFO L226 Difference]: Without dead ends: 16236 [2022-10-16 16:24:01,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:24:01,129 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 1589 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:01,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 1331 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:24:01,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16236 states. [2022-10-16 16:24:02,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16236 to 14715. [2022-10-16 16:24:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14715 states, 14687 states have (on average 1.464696670524954) internal successors, (21512), 14714 states have internal predecessors, (21512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:02,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14715 states to 14715 states and 21512 transitions. [2022-10-16 16:24:02,296 INFO L78 Accepts]: Start accepts. Automaton has 14715 states and 21512 transitions. Word has length 78 [2022-10-16 16:24:02,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:02,296 INFO L495 AbstractCegarLoop]: Abstraction has 14715 states and 21512 transitions. [2022-10-16 16:24:02,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 14715 states and 21512 transitions. [2022-10-16 16:24:02,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:24:02,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:02,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:02,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:24:02,298 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:02,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:02,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1793223471, now seen corresponding path program 1 times [2022-10-16 16:24:02,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:02,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407376257] [2022-10-16 16:24:02,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:02,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:02,448 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 16:24:02,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:02,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407376257] [2022-10-16 16:24:02,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407376257] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:02,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:02,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:02,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819612562] [2022-10-16 16:24:02,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:02,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:02,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:02,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:02,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:02,451 INFO L87 Difference]: Start difference. First operand 14715 states and 21512 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:03,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:03,985 INFO L93 Difference]: Finished difference Result 14853 states and 21682 transitions. [2022-10-16 16:24:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:03,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:24:03,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:04,006 INFO L225 Difference]: With dead ends: 14853 [2022-10-16 16:24:04,006 INFO L226 Difference]: Without dead ends: 14851 [2022-10-16 16:24:04,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:04,011 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 839 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:04,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 1309 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:04,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14851 states. [2022-10-16 16:24:05,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14851 to 14714. [2022-10-16 16:24:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14714 states, 14687 states have (on average 1.4645604956764486) internal successors, (21510), 14713 states have internal predecessors, (21510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:05,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14714 states to 14714 states and 21510 transitions. [2022-10-16 16:24:05,166 INFO L78 Accepts]: Start accepts. Automaton has 14714 states and 21510 transitions. Word has length 78 [2022-10-16 16:24:05,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:05,166 INFO L495 AbstractCegarLoop]: Abstraction has 14714 states and 21510 transitions. [2022-10-16 16:24:05,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:05,166 INFO L276 IsEmpty]: Start isEmpty. Operand 14714 states and 21510 transitions. [2022-10-16 16:24:05,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:24:05,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:05,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:05,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:24:05,167 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr140ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:05,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:05,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1574365008, now seen corresponding path program 1 times [2022-10-16 16:24:05,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:05,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420159706] [2022-10-16 16:24:05,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:05,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:05,318 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 16:24:05,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:05,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420159706] [2022-10-16 16:24:05,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420159706] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:05,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:05,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:05,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669729852] [2022-10-16 16:24:05,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:05,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:05,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:05,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:05,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:05,321 INFO L87 Difference]: Start difference. First operand 14714 states and 21510 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:06,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:06,946 INFO L93 Difference]: Finished difference Result 15412 states and 22476 transitions. [2022-10-16 16:24:06,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:06,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:24:06,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:06,969 INFO L225 Difference]: With dead ends: 15412 [2022-10-16 16:24:06,969 INFO L226 Difference]: Without dead ends: 15408 [2022-10-16 16:24:06,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:06,975 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 924 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 1322 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:06,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 1322 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:06,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15408 states. [2022-10-16 16:24:08,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15408 to 14935. [2022-10-16 16:24:08,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14935 states, 14909 states have (on average 1.4626735528875177) internal successors, (21807), 14934 states have internal predecessors, (21807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:08,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14935 states to 14935 states and 21807 transitions. [2022-10-16 16:24:08,165 INFO L78 Accepts]: Start accepts. Automaton has 14935 states and 21807 transitions. Word has length 78 [2022-10-16 16:24:08,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:08,166 INFO L495 AbstractCegarLoop]: Abstraction has 14935 states and 21807 transitions. [2022-10-16 16:24:08,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:08,166 INFO L276 IsEmpty]: Start isEmpty. Operand 14935 states and 21807 transitions. [2022-10-16 16:24:08,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:24:08,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:08,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:08,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:24:08,167 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr135ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:08,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:08,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1920152639, now seen corresponding path program 1 times [2022-10-16 16:24:08,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:08,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631944042] [2022-10-16 16:24:08,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:08,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:08,303 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 16:24:08,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:08,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631944042] [2022-10-16 16:24:08,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631944042] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:08,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:08,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:08,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265680665] [2022-10-16 16:24:08,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:08,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:08,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:08,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:08,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:08,306 INFO L87 Difference]: Start difference. First operand 14935 states and 21807 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:10,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:10,394 INFO L93 Difference]: Finished difference Result 28699 states and 42210 transitions. [2022-10-16 16:24:10,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:10,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:24:10,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:10,418 INFO L225 Difference]: With dead ends: 28699 [2022-10-16 16:24:10,418 INFO L226 Difference]: Without dead ends: 18738 [2022-10-16 16:24:10,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:24:10,431 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 1596 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:10,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 1070 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:10,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18738 states. [2022-10-16 16:24:11,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18738 to 17747. [2022-10-16 16:24:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17747 states, 17723 states have (on average 1.4737346950290582) internal successors, (26119), 17746 states have internal predecessors, (26119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17747 states to 17747 states and 26119 transitions. [2022-10-16 16:24:11,933 INFO L78 Accepts]: Start accepts. Automaton has 17747 states and 26119 transitions. Word has length 78 [2022-10-16 16:24:11,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:11,933 INFO L495 AbstractCegarLoop]: Abstraction has 17747 states and 26119 transitions. [2022-10-16 16:24:11,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:11,933 INFO L276 IsEmpty]: Start isEmpty. Operand 17747 states and 26119 transitions. [2022-10-16 16:24:11,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:24:11,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:11,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:11,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:24:11,935 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr158ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:11,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:11,935 INFO L85 PathProgramCache]: Analyzing trace with hash 563807860, now seen corresponding path program 1 times [2022-10-16 16:24:11,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:11,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594378187] [2022-10-16 16:24:11,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:11,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:12,083 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 16:24:12,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:12,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594378187] [2022-10-16 16:24:12,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594378187] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:12,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:12,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:12,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312683840] [2022-10-16 16:24:12,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:12,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:12,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:12,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:12,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:12,086 INFO L87 Difference]: Start difference. First operand 17747 states and 26119 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:14,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:14,425 INFO L93 Difference]: Finished difference Result 20912 states and 30758 transitions. [2022-10-16 16:24:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:14,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:24:14,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:14,449 INFO L225 Difference]: With dead ends: 20912 [2022-10-16 16:24:14,450 INFO L226 Difference]: Without dead ends: 20908 [2022-10-16 16:24:14,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:14,454 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 1045 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 2089 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:14,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 2089 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:24:14,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20908 states. [2022-10-16 16:24:16,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20908 to 20420. [2022-10-16 16:24:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20420 states, 20397 states have (on average 1.4751679168505172) internal successors, (30089), 20419 states have internal predecessors, (30089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:16,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20420 states to 20420 states and 30089 transitions. [2022-10-16 16:24:16,157 INFO L78 Accepts]: Start accepts. Automaton has 20420 states and 30089 transitions. Word has length 78 [2022-10-16 16:24:16,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:16,158 INFO L495 AbstractCegarLoop]: Abstraction has 20420 states and 30089 transitions. [2022-10-16 16:24:16,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 20420 states and 30089 transitions. [2022-10-16 16:24:16,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:24:16,159 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:16,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:16,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:24:16,159 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr147ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:16,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:16,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1360166264, now seen corresponding path program 1 times [2022-10-16 16:24:16,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:16,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082198257] [2022-10-16 16:24:16,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:16,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:16,289 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 16:24:16,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:16,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082198257] [2022-10-16 16:24:16,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082198257] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:16,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:16,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:16,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624933042] [2022-10-16 16:24:16,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:16,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:16,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:16,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:16,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:16,291 INFO L87 Difference]: Start difference. First operand 20420 states and 30089 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:18,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:18,834 INFO L93 Difference]: Finished difference Result 32459 states and 47655 transitions. [2022-10-16 16:24:18,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:18,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:24:18,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:18,863 INFO L225 Difference]: With dead ends: 32459 [2022-10-16 16:24:18,864 INFO L226 Difference]: Without dead ends: 23718 [2022-10-16 16:24:18,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:24:18,877 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 1642 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:18,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 1392 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:18,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23718 states. [2022-10-16 16:24:21,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23718 to 23134. [2022-10-16 16:24:21,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23134 states, 23113 states have (on average 1.476571626357461) internal successors, (34128), 23133 states have internal predecessors, (34128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23134 states to 23134 states and 34128 transitions. [2022-10-16 16:24:21,155 INFO L78 Accepts]: Start accepts. Automaton has 23134 states and 34128 transitions. Word has length 78 [2022-10-16 16:24:21,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:21,155 INFO L495 AbstractCegarLoop]: Abstraction has 23134 states and 34128 transitions. [2022-10-16 16:24:21,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand 23134 states and 34128 transitions. [2022-10-16 16:24:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:24:21,156 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:21,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:21,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:24:21,156 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr152ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:21,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:21,157 INFO L85 PathProgramCache]: Analyzing trace with hash 559716615, now seen corresponding path program 1 times [2022-10-16 16:24:21,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:21,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257023995] [2022-10-16 16:24:21,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:21,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:21,299 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 16:24:21,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:21,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257023995] [2022-10-16 16:24:21,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257023995] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:21,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:21,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:21,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652223959] [2022-10-16 16:24:21,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:21,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:21,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:21,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:21,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:21,302 INFO L87 Difference]: Start difference. First operand 23134 states and 34128 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:23,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:23,972 INFO L93 Difference]: Finished difference Result 23800 states and 35063 transitions. [2022-10-16 16:24:23,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:23,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:24:23,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:23,999 INFO L225 Difference]: With dead ends: 23800 [2022-10-16 16:24:23,999 INFO L226 Difference]: Without dead ends: 23798 [2022-10-16 16:24:24,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:24,004 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 824 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:24,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 2132 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:24:24,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23798 states. [2022-10-16 16:24:26,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23798 to 23771. [2022-10-16 16:24:26,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23771 states, 23751 states have (on average 1.4758957517578206) internal successors, (35054), 23770 states have internal predecessors, (35054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:26,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23771 states to 23771 states and 35054 transitions. [2022-10-16 16:24:26,123 INFO L78 Accepts]: Start accepts. Automaton has 23771 states and 35054 transitions. Word has length 78 [2022-10-16 16:24:26,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:26,124 INFO L495 AbstractCegarLoop]: Abstraction has 23771 states and 35054 transitions. [2022-10-16 16:24:26,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 23771 states and 35054 transitions. [2022-10-16 16:24:26,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:24:26,125 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:26,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:26,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:24:26,126 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr159ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:26,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:26,126 INFO L85 PathProgramCache]: Analyzing trace with hash 298175680, now seen corresponding path program 1 times [2022-10-16 16:24:26,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:26,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127974674] [2022-10-16 16:24:26,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:26,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:26,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:26,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127974674] [2022-10-16 16:24:26,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127974674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:26,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:26,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:26,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694081988] [2022-10-16 16:24:26,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:26,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:26,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:26,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:26,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:26,264 INFO L87 Difference]: Start difference. First operand 23771 states and 35054 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:28,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:28,581 INFO L93 Difference]: Finished difference Result 27596 states and 40639 transitions. [2022-10-16 16:24:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:28,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:24:28,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:28,607 INFO L225 Difference]: With dead ends: 27596 [2022-10-16 16:24:28,607 INFO L226 Difference]: Without dead ends: 19677 [2022-10-16 16:24:28,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:28,621 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 973 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:28,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 1323 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:24:28,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19677 states. [2022-10-16 16:24:29,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19677 to 11740. [2022-10-16 16:24:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11740 states, 11721 states have (on average 1.4894633563689106) internal successors, (17458), 11739 states have internal predecessors, (17458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11740 states to 11740 states and 17458 transitions. [2022-10-16 16:24:29,765 INFO L78 Accepts]: Start accepts. Automaton has 11740 states and 17458 transitions. Word has length 79 [2022-10-16 16:24:29,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:29,765 INFO L495 AbstractCegarLoop]: Abstraction has 11740 states and 17458 transitions. [2022-10-16 16:24:29,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:29,765 INFO L276 IsEmpty]: Start isEmpty. Operand 11740 states and 17458 transitions. [2022-10-16 16:24:29,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:24:29,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:29,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:29,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:24:29,766 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:29,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:29,767 INFO L85 PathProgramCache]: Analyzing trace with hash 798115926, now seen corresponding path program 1 times [2022-10-16 16:24:29,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:29,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091992173] [2022-10-16 16:24:29,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:29,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:29,917 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 16:24:29,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:29,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091992173] [2022-10-16 16:24:29,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091992173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:29,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:29,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:29,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377092317] [2022-10-16 16:24:29,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:29,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:29,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:29,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:29,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:29,919 INFO L87 Difference]: Start difference. First operand 11740 states and 17458 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:31,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:31,314 INFO L93 Difference]: Finished difference Result 11826 states and 17543 transitions. [2022-10-16 16:24:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:31,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:24:31,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:31,327 INFO L225 Difference]: With dead ends: 11826 [2022-10-16 16:24:31,328 INFO L226 Difference]: Without dead ends: 11825 [2022-10-16 16:24:31,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:31,332 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 530 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:31,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1751 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:24:31,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11825 states. [2022-10-16 16:24:32,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11825 to 11740. [2022-10-16 16:24:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11740 states, 11721 states have (on average 1.4894633563689106) internal successors, (17458), 11739 states have internal predecessors, (17458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:32,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11740 states to 11740 states and 17458 transitions. [2022-10-16 16:24:32,410 INFO L78 Accepts]: Start accepts. Automaton has 11740 states and 17458 transitions. Word has length 80 [2022-10-16 16:24:32,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:32,410 INFO L495 AbstractCegarLoop]: Abstraction has 11740 states and 17458 transitions. [2022-10-16 16:24:32,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand 11740 states and 17458 transitions. [2022-10-16 16:24:32,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:24:32,411 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:32,411 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] [2022-10-16 16:24:32,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:24:32,411 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:32,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:32,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1079405889, now seen corresponding path program 1 times [2022-10-16 16:24:32,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:32,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883669775] [2022-10-16 16:24:32,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:32,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:32,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:32,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:32,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883669775] [2022-10-16 16:24:32,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883669775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:32,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:32,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:24:32,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742048965] [2022-10-16 16:24:32,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:32,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:24:32,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:32,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:24:32,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:24:32,476 INFO L87 Difference]: Start difference. First operand 11740 states and 17458 transitions. Second operand has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:33,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:33,869 INFO L93 Difference]: Finished difference Result 11740 states and 17458 transitions. [2022-10-16 16:24:33,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:24:33,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 16:24:33,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:33,881 INFO L225 Difference]: With dead ends: 11740 [2022-10-16 16:24:33,881 INFO L226 Difference]: Without dead ends: 11738 [2022-10-16 16:24:33,883 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 16:24:33,884 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 613 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:33,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 653 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:24:33,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11738 states. [2022-10-16 16:24:34,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11738 to 11738. [2022-10-16 16:24:34,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11738 states, 11721 states have (on average 1.4758979609248357) internal successors, (17299), 11737 states have internal predecessors, (17299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11738 states to 11738 states and 17299 transitions. [2022-10-16 16:24:34,914 INFO L78 Accepts]: Start accepts. Automaton has 11738 states and 17299 transitions. Word has length 82 [2022-10-16 16:24:34,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:34,915 INFO L495 AbstractCegarLoop]: Abstraction has 11738 states and 17299 transitions. [2022-10-16 16:24:34,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 11738 states and 17299 transitions. [2022-10-16 16:24:34,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:24:34,916 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:34,916 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] [2022-10-16 16:24:34,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:24:34,916 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:34,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:34,916 INFO L85 PathProgramCache]: Analyzing trace with hash 898156215, now seen corresponding path program 1 times [2022-10-16 16:24:34,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:34,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089297249] [2022-10-16 16:24:34,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:34,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:35,010 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 16:24:35,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:35,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089297249] [2022-10-16 16:24:35,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089297249] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:35,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:35,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:24:35,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145596946] [2022-10-16 16:24:35,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:35,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:24:35,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:35,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:24:35,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:24:35,013 INFO L87 Difference]: Start difference. First operand 11738 states and 17299 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:36,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:36,150 INFO L93 Difference]: Finished difference Result 11738 states and 17299 transitions. [2022-10-16 16:24:36,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:24:36,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 16:24:36,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:36,162 INFO L225 Difference]: With dead ends: 11738 [2022-10-16 16:24:36,162 INFO L226 Difference]: Without dead ends: 11665 [2022-10-16 16:24:36,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:24:36,165 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 585 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:36,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1273 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:24:36,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11665 states. [2022-10-16 16:24:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11665 to 11665. [2022-10-16 16:24:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11665 states, 11650 states have (on average 1.46206008583691) internal successors, (17033), 11664 states have internal predecessors, (17033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:37,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11665 states to 11665 states and 17033 transitions. [2022-10-16 16:24:37,206 INFO L78 Accepts]: Start accepts. Automaton has 11665 states and 17033 transitions. Word has length 83 [2022-10-16 16:24:37,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:37,206 INFO L495 AbstractCegarLoop]: Abstraction has 11665 states and 17033 transitions. [2022-10-16 16:24:37,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 11665 states and 17033 transitions. [2022-10-16 16:24:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:24:37,208 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:37,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:37,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:24:37,209 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:37,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:37,209 INFO L85 PathProgramCache]: Analyzing trace with hash -707547394, now seen corresponding path program 1 times [2022-10-16 16:24:37,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:37,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766305030] [2022-10-16 16:24:37,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:37,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:37,348 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 16:24:37,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:37,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766305030] [2022-10-16 16:24:37,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766305030] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:37,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:37,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:24:37,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096375092] [2022-10-16 16:24:37,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:37,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:37,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:37,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:37,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:37,350 INFO L87 Difference]: Start difference. First operand 11665 states and 17033 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:38,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:38,861 INFO L93 Difference]: Finished difference Result 11970 states and 17445 transitions. [2022-10-16 16:24:38,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:38,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:24:38,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:38,874 INFO L225 Difference]: With dead ends: 11970 [2022-10-16 16:24:38,874 INFO L226 Difference]: Without dead ends: 11967 [2022-10-16 16:24:38,878 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 16:24:38,879 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 714 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:38,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 1084 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:24:38,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11967 states. [2022-10-16 16:24:39,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11967 to 11665. [2022-10-16 16:24:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11665 states, 11650 states have (on average 1.4592274678111588) internal successors, (17000), 11664 states have internal predecessors, (17000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:39,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11665 states to 11665 states and 17000 transitions. [2022-10-16 16:24:39,905 INFO L78 Accepts]: Start accepts. Automaton has 11665 states and 17000 transitions. Word has length 108 [2022-10-16 16:24:39,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:39,905 INFO L495 AbstractCegarLoop]: Abstraction has 11665 states and 17000 transitions. [2022-10-16 16:24:39,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 11665 states and 17000 transitions. [2022-10-16 16:24:39,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:24:39,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:39,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:39,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:24:39,908 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:39,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:39,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1144226041, now seen corresponding path program 1 times [2022-10-16 16:24:39,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:39,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378831227] [2022-10-16 16:24:39,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:39,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:40,044 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 16:24:40,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:40,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378831227] [2022-10-16 16:24:40,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378831227] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:40,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:40,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:24:40,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48264539] [2022-10-16 16:24:40,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:40,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:40,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:40,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:40,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:40,047 INFO L87 Difference]: Start difference. First operand 11665 states and 17000 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:41,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:41,695 INFO L93 Difference]: Finished difference Result 13883 states and 20244 transitions. [2022-10-16 16:24:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:41,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:24:41,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:41,713 INFO L225 Difference]: With dead ends: 13883 [2022-10-16 16:24:41,713 INFO L226 Difference]: Without dead ends: 13880 [2022-10-16 16:24:41,717 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 16:24:41,717 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 405 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:41,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1646 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:24:41,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13880 states. [2022-10-16 16:24:42,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13880 to 13795. [2022-10-16 16:24:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13795 states, 13780 states have (on average 1.4582728592162555) internal successors, (20095), 13794 states have internal predecessors, (20095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:43,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13795 states to 13795 states and 20095 transitions. [2022-10-16 16:24:43,013 INFO L78 Accepts]: Start accepts. Automaton has 13795 states and 20095 transitions. Word has length 108 [2022-10-16 16:24:43,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:43,013 INFO L495 AbstractCegarLoop]: Abstraction has 13795 states and 20095 transitions. [2022-10-16 16:24:43,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:43,013 INFO L276 IsEmpty]: Start isEmpty. Operand 13795 states and 20095 transitions. [2022-10-16 16:24:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:24:43,016 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:43,016 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:43,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:24:43,016 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:43,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:43,017 INFO L85 PathProgramCache]: Analyzing trace with hash -276993082, now seen corresponding path program 1 times [2022-10-16 16:24:43,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:43,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208424963] [2022-10-16 16:24:43,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:43,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:43,160 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 16:24:43,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:43,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208424963] [2022-10-16 16:24:43,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208424963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:43,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:43,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:24:43,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710727707] [2022-10-16 16:24:43,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:43,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:43,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:43,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:43,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:43,164 INFO L87 Difference]: Start difference. First operand 13795 states and 20095 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:44,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:44,848 INFO L93 Difference]: Finished difference Result 14042 states and 20424 transitions. [2022-10-16 16:24:44,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:44,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:24:44,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:44,865 INFO L225 Difference]: With dead ends: 14042 [2022-10-16 16:24:44,865 INFO L226 Difference]: Without dead ends: 14039 [2022-10-16 16:24:44,869 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 16:24:44,870 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 866 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:44,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1170 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:44,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14039 states. [2022-10-16 16:24:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14039 to 13795. [2022-10-16 16:24:46,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13795 states, 13780 states have (on average 1.4560957910014514) internal successors, (20065), 13794 states have internal predecessors, (20065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13795 states to 13795 states and 20065 transitions. [2022-10-16 16:24:46,151 INFO L78 Accepts]: Start accepts. Automaton has 13795 states and 20065 transitions. Word has length 109 [2022-10-16 16:24:46,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:46,152 INFO L495 AbstractCegarLoop]: Abstraction has 13795 states and 20065 transitions. [2022-10-16 16:24:46,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 13795 states and 20065 transitions. [2022-10-16 16:24:46,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:24:46,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:46,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:46,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:24:46,156 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:46,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:46,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1981387078, now seen corresponding path program 1 times [2022-10-16 16:24:46,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:46,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728922234] [2022-10-16 16:24:46,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:46,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:46,267 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 16:24:46,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:46,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728922234] [2022-10-16 16:24:46,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728922234] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:46,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:46,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:24:46,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739875045] [2022-10-16 16:24:46,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:46,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:24:46,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:46,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:24:46,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:24:46,269 INFO L87 Difference]: Start difference. First operand 13795 states and 20065 transitions. Second operand has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:48,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:48,316 INFO L93 Difference]: Finished difference Result 16230 states and 23527 transitions. [2022-10-16 16:24:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:24:48,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:24:48,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:48,337 INFO L225 Difference]: With dead ends: 16230 [2022-10-16 16:24:48,337 INFO L226 Difference]: Without dead ends: 16227 [2022-10-16 16:24:48,341 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 16:24:48,342 INFO L413 NwaCegarLoop]: 793 mSDtfsCounter, 216 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:48,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 1529 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:24:48,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16227 states. [2022-10-16 16:24:49,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16227 to 13792. [2022-10-16 16:24:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13792 states, 13780 states have (on average 1.4370101596516691) internal successors, (19802), 13791 states have internal predecessors, (19802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13792 states to 13792 states and 19802 transitions. [2022-10-16 16:24:49,680 INFO L78 Accepts]: Start accepts. Automaton has 13792 states and 19802 transitions. Word has length 109 [2022-10-16 16:24:49,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:49,680 INFO L495 AbstractCegarLoop]: Abstraction has 13792 states and 19802 transitions. [2022-10-16 16:24:49,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:49,680 INFO L276 IsEmpty]: Start isEmpty. Operand 13792 states and 19802 transitions. [2022-10-16 16:24:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:24:49,683 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:49,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:49,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:24:49,683 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:49,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:49,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1348200800, now seen corresponding path program 1 times [2022-10-16 16:24:49,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:49,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031530147] [2022-10-16 16:24:49,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:49,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:49,849 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 16:24:49,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:49,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031530147] [2022-10-16 16:24:49,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031530147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:49,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:49,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:49,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343551688] [2022-10-16 16:24:49,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:49,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:49,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:49,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:49,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:49,852 INFO L87 Difference]: Start difference. First operand 13792 states and 19802 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:51,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:51,591 INFO L93 Difference]: Finished difference Result 14663 states and 21012 transitions. [2022-10-16 16:24:51,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:51,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:24:51,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:51,615 INFO L225 Difference]: With dead ends: 14663 [2022-10-16 16:24:51,615 INFO L226 Difference]: Without dead ends: 14660 [2022-10-16 16:24:51,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:51,621 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 913 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:51,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 1157 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:51,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14660 states. [2022-10-16 16:24:52,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14660 to 14294. [2022-10-16 16:24:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14294 states, 14282 states have (on average 1.435303178826495) internal successors, (20499), 14293 states have internal predecessors, (20499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14294 states to 14294 states and 20499 transitions. [2022-10-16 16:24:52,972 INFO L78 Accepts]: Start accepts. Automaton has 14294 states and 20499 transitions. Word has length 110 [2022-10-16 16:24:52,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:52,972 INFO L495 AbstractCegarLoop]: Abstraction has 14294 states and 20499 transitions. [2022-10-16 16:24:52,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 14294 states and 20499 transitions. [2022-10-16 16:24:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:24:52,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:52,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:52,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:24:52,975 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:52,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:52,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1132702185, now seen corresponding path program 1 times [2022-10-16 16:24:52,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:52,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063038338] [2022-10-16 16:24:52,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:52,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:53,138 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 16:24:53,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:53,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063038338] [2022-10-16 16:24:53,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063038338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:53,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:53,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:53,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542371711] [2022-10-16 16:24:53,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:53,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:53,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:53,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:53,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:53,140 INFO L87 Difference]: Start difference. First operand 14294 states and 20499 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:55,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:55,098 INFO L93 Difference]: Finished difference Result 14660 states and 20998 transitions. [2022-10-16 16:24:55,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:55,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:24:55,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:55,115 INFO L225 Difference]: With dead ends: 14660 [2022-10-16 16:24:55,115 INFO L226 Difference]: Without dead ends: 14659 [2022-10-16 16:24:55,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:55,119 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 828 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 1694 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:55,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 1694 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:55,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14659 states. [2022-10-16 16:24:56,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14659 to 14516. [2022-10-16 16:24:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14516 states, 14504 states have (on average 1.4363623827909542) internal successors, (20833), 14515 states have internal predecessors, (20833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14516 states to 14516 states and 20833 transitions. [2022-10-16 16:24:56,429 INFO L78 Accepts]: Start accepts. Automaton has 14516 states and 20833 transitions. Word has length 110 [2022-10-16 16:24:56,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:56,430 INFO L495 AbstractCegarLoop]: Abstraction has 14516 states and 20833 transitions. [2022-10-16 16:24:56,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 14516 states and 20833 transitions. [2022-10-16 16:24:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:24:56,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:56,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:56,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:24:56,432 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:56,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:56,433 INFO L85 PathProgramCache]: Analyzing trace with hash 909754909, now seen corresponding path program 1 times [2022-10-16 16:24:56,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:56,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963453210] [2022-10-16 16:24:56,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:56,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:56,675 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 16:24:56,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:56,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963453210] [2022-10-16 16:24:56,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963453210] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:56,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:56,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:56,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681898775] [2022-10-16 16:24:56,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:56,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:56,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:56,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:56,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:56,677 INFO L87 Difference]: Start difference. First operand 14516 states and 20833 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:58,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:58,382 INFO L93 Difference]: Finished difference Result 14896 states and 21350 transitions. [2022-10-16 16:24:58,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:58,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:24:58,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:58,401 INFO L225 Difference]: With dead ends: 14896 [2022-10-16 16:24:58,401 INFO L226 Difference]: Without dead ends: 14895 [2022-10-16 16:24:58,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:58,406 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 926 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:58,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 1123 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:24:58,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14895 states. [2022-10-16 16:24:59,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14895 to 14590. [2022-10-16 16:24:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14590 states, 14578 states have (on average 1.4362738372890658) internal successors, (20938), 14589 states have internal predecessors, (20938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14590 states to 14590 states and 20938 transitions. [2022-10-16 16:24:59,781 INFO L78 Accepts]: Start accepts. Automaton has 14590 states and 20938 transitions. Word has length 110 [2022-10-16 16:24:59,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:59,781 INFO L495 AbstractCegarLoop]: Abstraction has 14590 states and 20938 transitions. [2022-10-16 16:24:59,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:59,782 INFO L276 IsEmpty]: Start isEmpty. Operand 14590 states and 20938 transitions. [2022-10-16 16:24:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:24:59,785 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:59,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:59,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 16:24:59,785 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:24:59,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:59,786 INFO L85 PathProgramCache]: Analyzing trace with hash -89585559, now seen corresponding path program 1 times [2022-10-16 16:24:59,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:59,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485175616] [2022-10-16 16:24:59,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:59,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:59,947 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 16:24:59,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:59,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485175616] [2022-10-16 16:24:59,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485175616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:59,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:59,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:59,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142972725] [2022-10-16 16:24:59,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:59,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:59,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:59,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:59,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:59,951 INFO L87 Difference]: Start difference. First operand 14590 states and 20938 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:01,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:01,697 INFO L93 Difference]: Finished difference Result 14626 states and 20938 transitions. [2022-10-16 16:25:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:01,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:25:01,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:01,713 INFO L225 Difference]: With dead ends: 14626 [2022-10-16 16:25:01,713 INFO L226 Difference]: Without dead ends: 14623 [2022-10-16 16:25:01,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:01,717 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 985 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:01,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 1399 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:25:01,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14623 states. [2022-10-16 16:25:03,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14623 to 14590. [2022-10-16 16:25:03,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14590 states, 14578 states have (on average 1.4354506791055015) internal successors, (20926), 14589 states have internal predecessors, (20926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:03,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14590 states to 14590 states and 20926 transitions. [2022-10-16 16:25:03,157 INFO L78 Accepts]: Start accepts. Automaton has 14590 states and 20926 transitions. Word has length 110 [2022-10-16 16:25:03,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:03,157 INFO L495 AbstractCegarLoop]: Abstraction has 14590 states and 20926 transitions. [2022-10-16 16:25:03,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:03,157 INFO L276 IsEmpty]: Start isEmpty. Operand 14590 states and 20926 transitions. [2022-10-16 16:25:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:25:03,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:03,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:03,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 16:25:03,161 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:03,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:03,161 INFO L85 PathProgramCache]: Analyzing trace with hash 742218142, now seen corresponding path program 1 times [2022-10-16 16:25:03,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:03,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763038850] [2022-10-16 16:25:03,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:03,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:03,288 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 16:25:03,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:03,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763038850] [2022-10-16 16:25:03,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763038850] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:03,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:03,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:03,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213332986] [2022-10-16 16:25:03,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:03,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:03,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:03,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:03,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:03,291 INFO L87 Difference]: Start difference. First operand 14590 states and 20926 transitions. Second operand has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:05,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:05,432 INFO L93 Difference]: Finished difference Result 17603 states and 25222 transitions. [2022-10-16 16:25:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:05,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:25:05,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:05,458 INFO L225 Difference]: With dead ends: 17603 [2022-10-16 16:25:05,458 INFO L226 Difference]: Without dead ends: 17600 [2022-10-16 16:25:05,465 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 16:25:05,466 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 344 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:05,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 1586 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:25:05,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17600 states. [2022-10-16 16:25:06,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17600 to 12904. [2022-10-16 16:25:06,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12904 states, 12892 states have (on average 1.4311200744647843) internal successors, (18450), 12903 states have internal predecessors, (18450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12904 states to 12904 states and 18450 transitions. [2022-10-16 16:25:06,792 INFO L78 Accepts]: Start accepts. Automaton has 12904 states and 18450 transitions. Word has length 111 [2022-10-16 16:25:06,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:06,793 INFO L495 AbstractCegarLoop]: Abstraction has 12904 states and 18450 transitions. [2022-10-16 16:25:06,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 12904 states and 18450 transitions. [2022-10-16 16:25:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:25:06,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:06,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:06,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 16:25:06,796 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:06,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:06,796 INFO L85 PathProgramCache]: Analyzing trace with hash 97632616, now seen corresponding path program 1 times [2022-10-16 16:25:06,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:06,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691853434] [2022-10-16 16:25:06,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:06,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:06,958 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 16:25:06,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:06,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691853434] [2022-10-16 16:25:06,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691853434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:06,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:06,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:06,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386750182] [2022-10-16 16:25:06,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:06,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:06,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:06,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:06,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:06,960 INFO L87 Difference]: Start difference. First operand 12904 states and 18450 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:08,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:08,663 INFO L93 Difference]: Finished difference Result 13775 states and 19658 transitions. [2022-10-16 16:25:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:08,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:25:08,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:08,678 INFO L225 Difference]: With dead ends: 13775 [2022-10-16 16:25:08,678 INFO L226 Difference]: Without dead ends: 13772 [2022-10-16 16:25:08,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:08,681 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 1095 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:08,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 1021 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:25:08,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13772 states. [2022-10-16 16:25:09,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13772 to 13274. [2022-10-16 16:25:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13274 states, 13262 states have (on average 1.4297994269340975) internal successors, (18962), 13273 states have internal predecessors, (18962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13274 states to 13274 states and 18962 transitions. [2022-10-16 16:25:09,907 INFO L78 Accepts]: Start accepts. Automaton has 13274 states and 18962 transitions. Word has length 111 [2022-10-16 16:25:09,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:09,907 INFO L495 AbstractCegarLoop]: Abstraction has 13274 states and 18962 transitions. [2022-10-16 16:25:09,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:09,907 INFO L276 IsEmpty]: Start isEmpty. Operand 13274 states and 18962 transitions. [2022-10-16 16:25:09,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:25:09,909 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:09,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:09,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 16:25:09,910 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:09,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:09,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1442481768, now seen corresponding path program 1 times [2022-10-16 16:25:09,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:09,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036825748] [2022-10-16 16:25:09,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:09,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:10,014 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 16:25:10,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:10,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036825748] [2022-10-16 16:25:10,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036825748] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:10,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:10,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:10,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425931615] [2022-10-16 16:25:10,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:10,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:10,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:10,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:10,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:10,017 INFO L87 Difference]: Start difference. First operand 13274 states and 18962 transitions. Second operand has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:12,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:12,046 INFO L93 Difference]: Finished difference Result 18346 states and 26291 transitions. [2022-10-16 16:25:12,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:12,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:25:12,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:12,069 INFO L225 Difference]: With dead ends: 18346 [2022-10-16 16:25:12,069 INFO L226 Difference]: Without dead ends: 18340 [2022-10-16 16:25:12,075 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 16:25:12,076 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 368 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:12,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1641 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:25:12,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18340 states. [2022-10-16 16:25:13,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18340 to 14722. [2022-10-16 16:25:13,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14722 states, 14710 states have (on average 1.4227056424201223) internal successors, (20928), 14721 states have internal predecessors, (20928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14722 states to 14722 states and 20928 transitions. [2022-10-16 16:25:13,466 INFO L78 Accepts]: Start accepts. Automaton has 14722 states and 20928 transitions. Word has length 111 [2022-10-16 16:25:13,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:13,466 INFO L495 AbstractCegarLoop]: Abstraction has 14722 states and 20928 transitions. [2022-10-16 16:25:13,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:13,467 INFO L276 IsEmpty]: Start isEmpty. Operand 14722 states and 20928 transitions. [2022-10-16 16:25:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:25:13,470 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:13,470 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:13,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 16:25:13,470 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:13,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:13,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1517815348, now seen corresponding path program 1 times [2022-10-16 16:25:13,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:13,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817069925] [2022-10-16 16:25:13,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:13,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:13,609 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 16:25:13,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:13,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817069925] [2022-10-16 16:25:13,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817069925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:13,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:13,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:13,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741906445] [2022-10-16 16:25:13,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:13,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:13,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:13,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:13,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:13,612 INFO L87 Difference]: Start difference. First operand 14722 states and 20928 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:15,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:15,566 INFO L93 Difference]: Finished difference Result 17291 states and 24570 transitions. [2022-10-16 16:25:15,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:15,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:25:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:15,583 INFO L225 Difference]: With dead ends: 17291 [2022-10-16 16:25:15,583 INFO L226 Difference]: Without dead ends: 15541 [2022-10-16 16:25:15,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:15,588 INFO L413 NwaCegarLoop]: 735 mSDtfsCounter, 926 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:15,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 1512 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:25:15,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15541 states. [2022-10-16 16:25:16,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15541 to 13402. [2022-10-16 16:25:16,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13402 states, 13390 states have (on average 1.4238237490664676) internal successors, (19065), 13401 states have internal predecessors, (19065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:16,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13402 states to 13402 states and 19065 transitions. [2022-10-16 16:25:16,764 INFO L78 Accepts]: Start accepts. Automaton has 13402 states and 19065 transitions. Word has length 111 [2022-10-16 16:25:16,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:16,764 INFO L495 AbstractCegarLoop]: Abstraction has 13402 states and 19065 transitions. [2022-10-16 16:25:16,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 13402 states and 19065 transitions. [2022-10-16 16:25:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:25:16,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:16,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:16,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 16:25:16,767 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:16,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:16,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1113795125, now seen corresponding path program 1 times [2022-10-16 16:25:16,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:16,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17589261] [2022-10-16 16:25:16,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:16,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:16,899 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 16:25:16,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:16,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17589261] [2022-10-16 16:25:16,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17589261] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:16,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:16,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:16,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119636444] [2022-10-16 16:25:16,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:16,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:16,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:16,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:16,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:16,902 INFO L87 Difference]: Start difference. First operand 13402 states and 19065 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:18,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:18,980 INFO L93 Difference]: Finished difference Result 14985 states and 21297 transitions. [2022-10-16 16:25:18,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:18,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 16:25:18,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:19,000 INFO L225 Difference]: With dead ends: 14985 [2022-10-16 16:25:19,000 INFO L226 Difference]: Without dead ends: 14868 [2022-10-16 16:25:19,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:19,006 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 456 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:19,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 2052 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:25:19,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14868 states. [2022-10-16 16:25:20,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14868 to 14844. [2022-10-16 16:25:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14844 states, 14832 states have (on average 1.4237459546925566) internal successors, (21117), 14843 states have internal predecessors, (21117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14844 states to 14844 states and 21117 transitions. [2022-10-16 16:25:20,520 INFO L78 Accepts]: Start accepts. Automaton has 14844 states and 21117 transitions. Word has length 112 [2022-10-16 16:25:20,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:20,520 INFO L495 AbstractCegarLoop]: Abstraction has 14844 states and 21117 transitions. [2022-10-16 16:25:20,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:20,521 INFO L276 IsEmpty]: Start isEmpty. Operand 14844 states and 21117 transitions. [2022-10-16 16:25:20,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:25:20,523 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:20,523 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:20,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 16:25:20,523 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:20,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:20,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1299588067, now seen corresponding path program 1 times [2022-10-16 16:25:20,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:20,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682316984] [2022-10-16 16:25:20,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:20,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:20,693 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 16:25:20,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:20,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682316984] [2022-10-16 16:25:20,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682316984] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:20,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:20,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:20,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739641928] [2022-10-16 16:25:20,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:20,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:20,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:20,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:20,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:20,696 INFO L87 Difference]: Start difference. First operand 14844 states and 21117 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:22,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:22,886 INFO L93 Difference]: Finished difference Result 16195 states and 23012 transitions. [2022-10-16 16:25:22,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:22,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 16:25:22,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:22,904 INFO L225 Difference]: With dead ends: 16195 [2022-10-16 16:25:22,904 INFO L226 Difference]: Without dead ends: 16013 [2022-10-16 16:25:22,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:22,908 INFO L413 NwaCegarLoop]: 933 mSDtfsCounter, 456 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1878 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:22,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1878 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:25:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16013 states. [2022-10-16 16:25:24,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16013 to 15983. [2022-10-16 16:25:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15983 states, 15971 states have (on average 1.4232671717487946) internal successors, (22731), 15982 states have internal predecessors, (22731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15983 states to 15983 states and 22731 transitions. [2022-10-16 16:25:24,671 INFO L78 Accepts]: Start accepts. Automaton has 15983 states and 22731 transitions. Word has length 112 [2022-10-16 16:25:24,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:24,671 INFO L495 AbstractCegarLoop]: Abstraction has 15983 states and 22731 transitions. [2022-10-16 16:25:24,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 15983 states and 22731 transitions. [2022-10-16 16:25:24,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:25:24,674 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:24,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:24,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 16:25:24,674 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:24,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:24,674 INFO L85 PathProgramCache]: Analyzing trace with hash 331563917, now seen corresponding path program 1 times [2022-10-16 16:25:24,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:24,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140804437] [2022-10-16 16:25:24,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:24,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:24,813 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 16:25:24,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:24,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140804437] [2022-10-16 16:25:24,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140804437] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:24,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:24,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:24,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752991135] [2022-10-16 16:25:24,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:24,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:24,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:24,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:24,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:24,815 INFO L87 Difference]: Start difference. First operand 15983 states and 22731 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:27,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:27,076 INFO L93 Difference]: Finished difference Result 16061 states and 22813 transitions. [2022-10-16 16:25:27,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:27,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 16:25:27,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:27,092 INFO L225 Difference]: With dead ends: 16061 [2022-10-16 16:25:27,092 INFO L226 Difference]: Without dead ends: 15756 [2022-10-16 16:25:27,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:27,096 INFO L413 NwaCegarLoop]: 930 mSDtfsCounter, 414 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 2189 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:27,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 2189 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:25:27,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15756 states. [2022-10-16 16:25:28,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15756 to 15505. [2022-10-16 16:25:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15505 states, 15493 states have (on average 1.423287936487446) internal successors, (22051), 15504 states have internal predecessors, (22051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15505 states to 15505 states and 22051 transitions. [2022-10-16 16:25:28,618 INFO L78 Accepts]: Start accepts. Automaton has 15505 states and 22051 transitions. Word has length 112 [2022-10-16 16:25:28,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:28,619 INFO L495 AbstractCegarLoop]: Abstraction has 15505 states and 22051 transitions. [2022-10-16 16:25:28,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 15505 states and 22051 transitions. [2022-10-16 16:25:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:25:28,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:28,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:28,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-10-16 16:25:28,622 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:28,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:28,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1171368198, now seen corresponding path program 1 times [2022-10-16 16:25:28,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:28,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819320008] [2022-10-16 16:25:28,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:28,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:28,808 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 16:25:28,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:28,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819320008] [2022-10-16 16:25:28,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819320008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:28,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:28,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:28,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468763959] [2022-10-16 16:25:28,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:28,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:28,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:28,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:28,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:28,811 INFO L87 Difference]: Start difference. First operand 15505 states and 22051 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:30,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:30,922 INFO L93 Difference]: Finished difference Result 16142 states and 22922 transitions. [2022-10-16 16:25:30,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:30,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 16:25:30,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:30,942 INFO L225 Difference]: With dead ends: 16142 [2022-10-16 16:25:30,942 INFO L226 Difference]: Without dead ends: 15892 [2022-10-16 16:25:30,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:30,948 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 499 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:30,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1717 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:25:30,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15892 states. [2022-10-16 16:25:32,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15892 to 14754. [2022-10-16 16:25:32,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14754 states, 14742 states have (on average 1.4234839234839234) internal successors, (20985), 14753 states have internal predecessors, (20985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14754 states to 14754 states and 20985 transitions. [2022-10-16 16:25:32,395 INFO L78 Accepts]: Start accepts. Automaton has 14754 states and 20985 transitions. Word has length 112 [2022-10-16 16:25:32,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:32,395 INFO L495 AbstractCegarLoop]: Abstraction has 14754 states and 20985 transitions. [2022-10-16 16:25:32,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 14754 states and 20985 transitions. [2022-10-16 16:25:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:25:32,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:32,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:32,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 16:25:32,398 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:32,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:32,398 INFO L85 PathProgramCache]: Analyzing trace with hash 307075392, now seen corresponding path program 1 times [2022-10-16 16:25:32,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:32,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363328451] [2022-10-16 16:25:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:32,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:32,544 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 16:25:32,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:32,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363328451] [2022-10-16 16:25:32,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363328451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:32,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:32,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:32,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767086532] [2022-10-16 16:25:32,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:32,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:32,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:32,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:32,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:32,547 INFO L87 Difference]: Start difference. First operand 14754 states and 20985 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:35,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:35,152 INFO L93 Difference]: Finished difference Result 20892 states and 29772 transitions. [2022-10-16 16:25:35,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:35,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-16 16:25:35,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:35,176 INFO L225 Difference]: With dead ends: 20892 [2022-10-16 16:25:35,176 INFO L226 Difference]: Without dead ends: 19324 [2022-10-16 16:25:35,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:35,182 INFO L413 NwaCegarLoop]: 734 mSDtfsCounter, 424 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 2049 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:35,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 2049 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:25:35,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19324 states. [2022-10-16 16:25:36,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19324 to 14236. [2022-10-16 16:25:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14236 states, 14224 states have (on average 1.420908323959505) internal successors, (20211), 14235 states have internal predecessors, (20211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14236 states to 14236 states and 20211 transitions. [2022-10-16 16:25:36,696 INFO L78 Accepts]: Start accepts. Automaton has 14236 states and 20211 transitions. Word has length 113 [2022-10-16 16:25:36,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:36,696 INFO L495 AbstractCegarLoop]: Abstraction has 14236 states and 20211 transitions. [2022-10-16 16:25:36,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:36,696 INFO L276 IsEmpty]: Start isEmpty. Operand 14236 states and 20211 transitions. [2022-10-16 16:25:36,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:25:36,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:36,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:36,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-10-16 16:25:36,699 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:36,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:36,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1049445494, now seen corresponding path program 1 times [2022-10-16 16:25:36,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:36,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325194697] [2022-10-16 16:25:36,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:36,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:36,826 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 16:25:36,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:36,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325194697] [2022-10-16 16:25:36,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325194697] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:36,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:36,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:36,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759423982] [2022-10-16 16:25:36,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:36,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:36,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:36,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:36,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:36,828 INFO L87 Difference]: Start difference. First operand 14236 states and 20211 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:39,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:39,239 INFO L93 Difference]: Finished difference Result 18578 states and 26323 transitions. [2022-10-16 16:25:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:39,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-16 16:25:39,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:39,256 INFO L225 Difference]: With dead ends: 18578 [2022-10-16 16:25:39,256 INFO L226 Difference]: Without dead ends: 15191 [2022-10-16 16:25:39,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:39,262 INFO L413 NwaCegarLoop]: 795 mSDtfsCounter, 477 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1648 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:39,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1648 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:25:39,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15191 states. [2022-10-16 16:25:40,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15191 to 13143. [2022-10-16 16:25:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13143 states, 13131 states have (on average 1.4193130759271952) internal successors, (18637), 13142 states have internal predecessors, (18637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:40,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13143 states to 13143 states and 18637 transitions. [2022-10-16 16:25:40,773 INFO L78 Accepts]: Start accepts. Automaton has 13143 states and 18637 transitions. Word has length 113 [2022-10-16 16:25:40,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:40,774 INFO L495 AbstractCegarLoop]: Abstraction has 13143 states and 18637 transitions. [2022-10-16 16:25:40,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 13143 states and 18637 transitions. [2022-10-16 16:25:40,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 16:25:40,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:40,777 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:40,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-10-16 16:25:40,778 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:40,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:40,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2142519030, now seen corresponding path program 1 times [2022-10-16 16:25:40,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:40,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624567711] [2022-10-16 16:25:40,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:40,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:40,874 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:40,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:40,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624567711] [2022-10-16 16:25:40,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624567711] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:25:40,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998887889] [2022-10-16 16:25:40,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:40,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:40,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:40,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:25:40,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:25:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:41,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:25:41,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:25:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:25:41,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:25:41,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998887889] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:41,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:25:41,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:25:41,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893819421] [2022-10-16 16:25:41,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:41,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:41,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:41,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:41,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:25:41,208 INFO L87 Difference]: Start difference. First operand 13143 states and 18637 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:42,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:42,920 INFO L93 Difference]: Finished difference Result 25910 states and 36883 transitions. [2022-10-16 16:25:42,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:42,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2022-10-16 16:25:42,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:42,935 INFO L225 Difference]: With dead ends: 25910 [2022-10-16 16:25:42,935 INFO L226 Difference]: Without dead ends: 12970 [2022-10-16 16:25:42,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:42,942 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 1221 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:42,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 324 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:42,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12970 states. [2022-10-16 16:25:44,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12970 to 12970. [2022-10-16 16:25:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12970 states, 12958 states have (on average 1.4107115295570305) internal successors, (18280), 12969 states have internal predecessors, (18280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12970 states to 12970 states and 18280 transitions. [2022-10-16 16:25:44,483 INFO L78 Accepts]: Start accepts. Automaton has 12970 states and 18280 transitions. Word has length 144 [2022-10-16 16:25:44,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:44,483 INFO L495 AbstractCegarLoop]: Abstraction has 12970 states and 18280 transitions. [2022-10-16 16:25:44,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:44,483 INFO L276 IsEmpty]: Start isEmpty. Operand 12970 states and 18280 transitions. [2022-10-16 16:25:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 16:25:44,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:44,486 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:44,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 16:25:44,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2022-10-16 16:25:44,689 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:44,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:44,690 INFO L85 PathProgramCache]: Analyzing trace with hash -549720328, now seen corresponding path program 1 times [2022-10-16 16:25:44,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:44,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969734818] [2022-10-16 16:25:44,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:44,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:44,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:44,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969734818] [2022-10-16 16:25:44,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969734818] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:25:44,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114410164] [2022-10-16 16:25:44,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:44,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:44,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:44,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:25:44,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:25:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:44,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:25:45,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:25:45,115 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:25:45,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:25:45,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114410164] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:45,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:25:45,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:25:45,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895803896] [2022-10-16 16:25:45,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:45,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:45,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:45,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:45,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:25:45,117 INFO L87 Difference]: Start difference. First operand 12970 states and 18280 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:46,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:46,861 INFO L93 Difference]: Finished difference Result 25737 states and 36350 transitions. [2022-10-16 16:25:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:46,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2022-10-16 16:25:46,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:46,877 INFO L225 Difference]: With dead ends: 25737 [2022-10-16 16:25:46,877 INFO L226 Difference]: Without dead ends: 12885 [2022-10-16 16:25:46,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:46,888 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 937 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:46,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 250 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:46,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12885 states. [2022-10-16 16:25:48,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12885 to 12885. [2022-10-16 16:25:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12885 states, 12873 states have (on average 1.3994406898158938) internal successors, (18015), 12884 states have internal predecessors, (18015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:48,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12885 states to 12885 states and 18015 transitions. [2022-10-16 16:25:48,633 INFO L78 Accepts]: Start accepts. Automaton has 12885 states and 18015 transitions. Word has length 145 [2022-10-16 16:25:48,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:48,633 INFO L495 AbstractCegarLoop]: Abstraction has 12885 states and 18015 transitions. [2022-10-16 16:25:48,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:48,633 INFO L276 IsEmpty]: Start isEmpty. Operand 12885 states and 18015 transitions. [2022-10-16 16:25:48,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-10-16 16:25:48,636 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:48,636 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:48,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:25:48,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2022-10-16 16:25:48,837 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:48,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:48,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1923413436, now seen corresponding path program 1 times [2022-10-16 16:25:48,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:48,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948989959] [2022-10-16 16:25:48,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:48,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:48,936 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:48,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:48,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948989959] [2022-10-16 16:25:48,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948989959] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:25:48,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355092532] [2022-10-16 16:25:48,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:48,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:48,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:48,938 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:25:48,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:25:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:49,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:25:49,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:25:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:25:49,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:25:49,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355092532] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:49,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:25:49,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:25:49,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711336134] [2022-10-16 16:25:49,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:49,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:49,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:49,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:49,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:25:49,251 INFO L87 Difference]: Start difference. First operand 12885 states and 18015 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:51,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:51,027 INFO L93 Difference]: Finished difference Result 25652 states and 35909 transitions. [2022-10-16 16:25:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:51,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2022-10-16 16:25:51,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:51,042 INFO L225 Difference]: With dead ends: 25652 [2022-10-16 16:25:51,043 INFO L226 Difference]: Without dead ends: 12844 [2022-10-16 16:25:51,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:51,054 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 523 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:51,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 219 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:51,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12844 states. [2022-10-16 16:25:52,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12844 to 12844. [2022-10-16 16:25:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12844 states, 12832 states have (on average 1.3868453865336658) internal successors, (17796), 12843 states have internal predecessors, (17796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12844 states to 12844 states and 17796 transitions. [2022-10-16 16:25:52,845 INFO L78 Accepts]: Start accepts. Automaton has 12844 states and 17796 transitions. Word has length 146 [2022-10-16 16:25:52,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:52,845 INFO L495 AbstractCegarLoop]: Abstraction has 12844 states and 17796 transitions. [2022-10-16 16:25:52,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:52,846 INFO L276 IsEmpty]: Start isEmpty. Operand 12844 states and 17796 transitions. [2022-10-16 16:25:52,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 16:25:52,849 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:52,849 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:52,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 16:25:53,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:53,050 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:53,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:53,051 INFO L85 PathProgramCache]: Analyzing trace with hash 438842745, now seen corresponding path program 1 times [2022-10-16 16:25:53,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:53,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895781224] [2022-10-16 16:25:53,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:53,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:53,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895781224] [2022-10-16 16:25:53,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895781224] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:25:53,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381684470] [2022-10-16 16:25:53,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:53,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:53,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:53,135 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:25:53,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 16:25:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:53,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:25:53,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:25:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:25:53,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:25:53,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381684470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:53,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:25:53,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:25:53,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101700295] [2022-10-16 16:25:53,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:53,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:53,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:53,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:53,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:25:53,424 INFO L87 Difference]: Start difference. First operand 12844 states and 17796 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:55,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:55,256 INFO L93 Difference]: Finished difference Result 25611 states and 35514 transitions. [2022-10-16 16:25:55,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:55,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-10-16 16:25:55,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:55,271 INFO L225 Difference]: With dead ends: 25611 [2022-10-16 16:25:55,271 INFO L226 Difference]: Without dead ends: 12825 [2022-10-16 16:25:55,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:55,284 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 496 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:55,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 209 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:55,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12825 states. [2022-10-16 16:25:57,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12825 to 12825. [2022-10-16 16:25:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12825 states, 12813 states have (on average 1.3736049324904394) internal successors, (17600), 12824 states have internal predecessors, (17600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:57,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12825 states to 12825 states and 17600 transitions. [2022-10-16 16:25:57,092 INFO L78 Accepts]: Start accepts. Automaton has 12825 states and 17600 transitions. Word has length 147 [2022-10-16 16:25:57,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:57,092 INFO L495 AbstractCegarLoop]: Abstraction has 12825 states and 17600 transitions. [2022-10-16 16:25:57,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 12825 states and 17600 transitions. [2022-10-16 16:25:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 16:25:57,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:57,095 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:57,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-16 16:25:57,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:57,296 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:25:57,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:57,297 INFO L85 PathProgramCache]: Analyzing trace with hash -19132515, now seen corresponding path program 1 times [2022-10-16 16:25:57,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:57,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639407617] [2022-10-16 16:25:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:57,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:57,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:57,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639407617] [2022-10-16 16:25:57,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639407617] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:25:57,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261725778] [2022-10-16 16:25:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:57,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:57,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:57,430 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:25:57,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 16:25:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:57,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:25:57,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:25:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:25:57,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:25:57,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261725778] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:57,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:25:57,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 16:25:57,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350628913] [2022-10-16 16:25:57,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:57,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:25:57,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:57,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:25:57,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:25:57,920 INFO L87 Difference]: Start difference. First operand 12825 states and 17600 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:07,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:07,697 INFO L93 Difference]: Finished difference Result 71657 states and 98912 transitions. [2022-10-16 16:26:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:26:07,698 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 148 [2022-10-16 16:26:07,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:07,774 INFO L225 Difference]: With dead ends: 71657 [2022-10-16 16:26:07,774 INFO L226 Difference]: Without dead ends: 58973 [2022-10-16 16:26:07,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:26:07,789 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 1176 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:07,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1176 Valid, 686 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:26:07,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58973 states. [2022-10-16 16:26:12,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58973 to 27147. [2022-10-16 16:26:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27147 states, 27135 states have (on average 1.3782568638290031) internal successors, (37399), 27146 states have internal predecessors, (37399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:12,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27147 states to 27147 states and 37399 transitions. [2022-10-16 16:26:12,702 INFO L78 Accepts]: Start accepts. Automaton has 27147 states and 37399 transitions. Word has length 148 [2022-10-16 16:26:12,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:12,703 INFO L495 AbstractCegarLoop]: Abstraction has 27147 states and 37399 transitions. [2022-10-16 16:26:12,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:12,703 INFO L276 IsEmpty]: Start isEmpty. Operand 27147 states and 37399 transitions. [2022-10-16 16:26:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 16:26:12,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:12,706 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:12,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 16:26:12,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2022-10-16 16:26:12,908 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:26:12,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:12,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2119160335, now seen corresponding path program 1 times [2022-10-16 16:26:12,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:12,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544130761] [2022-10-16 16:26:12,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:12,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:13,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:13,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544130761] [2022-10-16 16:26:13,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544130761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:13,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:13,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:13,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84038640] [2022-10-16 16:26:13,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:13,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:13,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:13,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:13,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:13,088 INFO L87 Difference]: Start difference. First operand 27147 states and 37399 transitions. Second operand has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:18,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:18,524 INFO L93 Difference]: Finished difference Result 30014 states and 41315 transitions. [2022-10-16 16:26:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:18,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2022-10-16 16:26:18,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:18,557 INFO L225 Difference]: With dead ends: 30014 [2022-10-16 16:26:18,557 INFO L226 Difference]: Without dead ends: 28923 [2022-10-16 16:26:18,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:18,564 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 455 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:18,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 888 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:26:18,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28923 states. [2022-10-16 16:26:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28923 to 22379. [2022-10-16 16:26:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22379 states, 22367 states have (on average 1.3747038047122995) internal successors, (30748), 22378 states have internal predecessors, (30748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22379 states to 22379 states and 30748 transitions. [2022-10-16 16:26:22,055 INFO L78 Accepts]: Start accepts. Automaton has 22379 states and 30748 transitions. Word has length 149 [2022-10-16 16:26:22,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:22,055 INFO L495 AbstractCegarLoop]: Abstraction has 22379 states and 30748 transitions. [2022-10-16 16:26:22,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 22379 states and 30748 transitions. [2022-10-16 16:26:22,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 16:26:22,058 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:22,058 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:22,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-10-16 16:26:22,058 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:26:22,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:22,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1016233547, now seen corresponding path program 1 times [2022-10-16 16:26:22,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:22,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126257082] [2022-10-16 16:26:22,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:22,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:22,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:22,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126257082] [2022-10-16 16:26:22,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126257082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:22,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:22,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:22,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882242561] [2022-10-16 16:26:22,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:22,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:22,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:22,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:22,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:22,233 INFO L87 Difference]: Start difference. First operand 22379 states and 30748 transitions. Second operand has 6 states, 5 states have (on average 30.0) internal successors, (150), 6 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:27,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:27,406 INFO L93 Difference]: Finished difference Result 42012 states and 57895 transitions. [2022-10-16 16:26:27,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:27,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.0) internal successors, (150), 6 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2022-10-16 16:26:27,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:27,440 INFO L225 Difference]: With dead ends: 42012 [2022-10-16 16:26:27,440 INFO L226 Difference]: Without dead ends: 28774 [2022-10-16 16:26:27,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:27,449 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 497 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:27,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 850 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:26:27,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28774 states. [2022-10-16 16:26:31,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28774 to 22653. [2022-10-16 16:26:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22653 states, 22641 states have (on average 1.3716708625944083) internal successors, (31056), 22652 states have internal predecessors, (31056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22653 states to 22653 states and 31056 transitions. [2022-10-16 16:26:31,904 INFO L78 Accepts]: Start accepts. Automaton has 22653 states and 31056 transitions. Word has length 150 [2022-10-16 16:26:31,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:31,904 INFO L495 AbstractCegarLoop]: Abstraction has 22653 states and 31056 transitions. [2022-10-16 16:26:31,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.0) internal successors, (150), 6 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:31,904 INFO L276 IsEmpty]: Start isEmpty. Operand 22653 states and 31056 transitions. [2022-10-16 16:26:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-16 16:26:31,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:31,909 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:31,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-10-16 16:26:31,909 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 367 more)] === [2022-10-16 16:26:31,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:31,910 INFO L85 PathProgramCache]: Analyzing trace with hash 891839896, now seen corresponding path program 1 times [2022-10-16 16:26:31,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:31,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882979384] [2022-10-16 16:26:31,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:31,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:32,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:32,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882979384] [2022-10-16 16:26:32,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882979384] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:26:32,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420230201] [2022-10-16 16:26:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:32,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:26:32,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:26:32,045 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:26:32,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 16:26:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:32,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:26:32,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:26:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 16:26:32,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:26:32,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420230201] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:32,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:26:32,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 16:26:32,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165885956] [2022-10-16 16:26:32,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:32,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:26:32,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:32,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:26:32,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:26:32,613 INFO L87 Difference]: Start difference. First operand 22653 states and 31056 transitions. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:52,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:52,387 INFO L93 Difference]: Finished difference Result 120545 states and 165460 transitions. [2022-10-16 16:26:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:26:52,388 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 151 [2022-10-16 16:26:52,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:52,520 INFO L225 Difference]: With dead ends: 120545 [2022-10-16 16:26:52,520 INFO L226 Difference]: Without dead ends: 98009 [2022-10-16 16:26:52,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:26:52,545 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1460 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1460 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:52,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1460 Valid, 507 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:26:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98009 states.