/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.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:25:14,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:25:14,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:25:14,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:25:14,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:25:14,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:25:14,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:25:14,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:25:14,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:25:14,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:25:14,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:25:14,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:25:14,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:25:14,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:25:14,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:25:14,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:25:14,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:25:14,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:25:14,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:25:14,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:25:14,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:25:14,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:25:14,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:25:14,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:25:14,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:25:14,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:25:14,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:25:14,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:25:14,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:25:14,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:25:14,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:25:14,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:25:14,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:25:14,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:25:14,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:25:14,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:25:14,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:25:14,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:25:14,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:25:14,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:25:14,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:25:14,397 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 16:25:14,456 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:25:14,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:25:14,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:25:14,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:25:14,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:25:14,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:25:14,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:25:14,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:25:14,463 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:25:14,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:25:14,465 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:25:14,465 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:25:14,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:25:14,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:25:14,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:25:14,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:25:14,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:25:14,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:25:14,466 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:25:14,467 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:25:14,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:25:14,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:25:14,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:25:14,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:25:14,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:25:14,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:25:14,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:25:14,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:25:14,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:25:14,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:25:14,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:25:14,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:25:14,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:25:14,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:25:14,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:25:14,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:25:14,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:25:14,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:25:14,926 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:25:14,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:25:15,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855fb133d/4610a2267ed84f109934e0ec58473a94/FLAGfb5abc360 [2022-10-16 16:25:15,889 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:25:15,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:25:15,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855fb133d/4610a2267ed84f109934e0ec58473a94/FLAGfb5abc360 [2022-10-16 16:25:15,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855fb133d/4610a2267ed84f109934e0ec58473a94 [2022-10-16 16:25:15,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:25:15,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:25:15,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:25:15,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:25:15,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:25:15,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:25:15" (1/1) ... [2022-10-16 16:25:15,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e672ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:15, skipping insertion in model container [2022-10-16 16:25:15,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:25:15" (1/1) ... [2022-10-16 16:25:15,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:25:16,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:25:16,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16906,16919] [2022-10-16 16:25:16,569 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.UNBOUNDED.pals.c.v+sep-reducer.c[23310,23323] [2022-10-16 16:25:16,587 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.UNBOUNDED.pals.c.v+sep-reducer.c[26497,26510] [2022-10-16 16:25:16,603 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.UNBOUNDED.pals.c.v+sep-reducer.c[29453,29466] [2022-10-16 16:25:16,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33216,33229] [2022-10-16 16:25:16,638 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.UNBOUNDED.pals.c.v+sep-reducer.c[36248,36261] [2022-10-16 16:25:16,659 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.UNBOUNDED.pals.c.v+sep-reducer.c[39433,39446] [2022-10-16 16:25:16,683 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.UNBOUNDED.pals.c.v+sep-reducer.c[42384,42397] [2022-10-16 16:25:16,729 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.UNBOUNDED.pals.c.v+sep-reducer.c[45768,45781] [2022-10-16 16:25:16,754 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.UNBOUNDED.pals.c.v+sep-reducer.c[48734,48747] [2022-10-16 16:25:16,771 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.UNBOUNDED.pals.c.v+sep-reducer.c[51883,51896] [2022-10-16 16:25:16,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:25:16,878 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:25:17,001 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.UNBOUNDED.pals.c.v+sep-reducer.c[16906,16919] [2022-10-16 16:25:17,018 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.UNBOUNDED.pals.c.v+sep-reducer.c[23310,23323] [2022-10-16 16:25:17,028 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.UNBOUNDED.pals.c.v+sep-reducer.c[26497,26510] [2022-10-16 16:25:17,037 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.UNBOUNDED.pals.c.v+sep-reducer.c[29453,29466] [2022-10-16 16:25:17,047 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.UNBOUNDED.pals.c.v+sep-reducer.c[33216,33229] [2022-10-16 16:25:17,056 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.UNBOUNDED.pals.c.v+sep-reducer.c[36248,36261] [2022-10-16 16:25:17,065 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.UNBOUNDED.pals.c.v+sep-reducer.c[39433,39446] [2022-10-16 16:25:17,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42384,42397] [2022-10-16 16:25:17,084 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.UNBOUNDED.pals.c.v+sep-reducer.c[45768,45781] [2022-10-16 16:25:17,093 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.UNBOUNDED.pals.c.v+sep-reducer.c[48734,48747] [2022-10-16 16:25:17,103 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.UNBOUNDED.pals.c.v+sep-reducer.c[51883,51896] [2022-10-16 16:25:17,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:25:17,181 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:25:17,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17 WrapperNode [2022-10-16 16:25:17,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:25:17,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:25:17,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:25:17,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:25:17,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,329 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2935 [2022-10-16 16:25:17,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:25:17,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:25:17,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:25:17,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:25:17,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,452 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:25:17,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:25:17,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:25:17,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:25:17,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (1/1) ... [2022-10-16 16:25:17,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:25:17,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:17,523 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 16:25:17,542 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 16:25:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:25:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:25:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:25:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:25:17,787 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:25:17,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:25:20,270 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:25:20,296 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:25:20,297 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:25:20,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:25:20 BoogieIcfgContainer [2022-10-16 16:25:20,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:25:20,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:25:20,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:25:20,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:25:20,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:25:15" (1/3) ... [2022-10-16 16:25:20,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515b6ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:25:20, skipping insertion in model container [2022-10-16 16:25:20,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:17" (2/3) ... [2022-10-16 16:25:20,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515b6ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:25:20, skipping insertion in model container [2022-10-16 16:25:20,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:25:20" (3/3) ... [2022-10-16 16:25:20,314 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:25:20,338 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:25:20,339 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 364 error locations. [2022-10-16 16:25:20,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:25:20,475 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;@7b9a1dcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:25:20,475 INFO L358 AbstractCegarLoop]: Starting to check reachability of 364 error locations. [2022-10-16 16:25:20,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 1242 states, 877 states have (on average 1.8996579247434435) internal successors, (1666), 1241 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:20,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 16:25:20,504 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:20,505 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] [2022-10-16 16:25:20,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr336ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:20,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:20,513 INFO L85 PathProgramCache]: Analyzing trace with hash -442617640, now seen corresponding path program 1 times [2022-10-16 16:25:20,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:20,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141774727] [2022-10-16 16:25:20,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:20,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:21,050 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 16:25:21,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:21,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141774727] [2022-10-16 16:25:21,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141774727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:21,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:21,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:21,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799010221] [2022-10-16 16:25:21,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:21,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:21,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:21,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:21,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:21,108 INFO L87 Difference]: Start difference. First operand has 1242 states, 877 states have (on average 1.8996579247434435) internal successors, (1666), 1241 states have internal predecessors, (1666), 0 states have call successors, (0), 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 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:22,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:22,342 INFO L93 Difference]: Finished difference Result 1426 states and 1916 transitions. [2022-10-16 16:25:22,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:22,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2022-10-16 16:25:22,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:22,368 INFO L225 Difference]: With dead ends: 1426 [2022-10-16 16:25:22,369 INFO L226 Difference]: Without dead ends: 1324 [2022-10-16 16:25:22,398 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 16:25:22,406 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 2493 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:22,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2493 Valid, 1739 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:25:22,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2022-10-16 16:25:22,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1223. [2022-10-16 16:25:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 932 states have (on average 1.5042918454935623) internal successors, (1402), 1222 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1402 transitions. [2022-10-16 16:25:22,560 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1402 transitions. Word has length 35 [2022-10-16 16:25:22,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:22,561 INFO L495 AbstractCegarLoop]: Abstraction has 1223 states and 1402 transitions. [2022-10-16 16:25:22,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:22,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1402 transitions. [2022-10-16 16:25:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 16:25:22,564 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:22,565 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 16:25:22,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:25:22,567 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr337ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:22,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:22,568 INFO L85 PathProgramCache]: Analyzing trace with hash -836242225, now seen corresponding path program 1 times [2022-10-16 16:25:22,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:22,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017834376] [2022-10-16 16:25:22,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:22,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:22,753 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 16:25:22,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:22,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017834376] [2022-10-16 16:25:22,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017834376] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:22,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:22,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:22,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198349434] [2022-10-16 16:25:22,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:22,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:22,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:22,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:22,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:22,757 INFO L87 Difference]: Start difference. First operand 1223 states and 1402 transitions. 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 16:25:23,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:23,503 INFO L93 Difference]: Finished difference Result 1309 states and 1521 transitions. [2022-10-16 16:25:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:25:23,503 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 16:25:23,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:23,511 INFO L225 Difference]: With dead ends: 1309 [2022-10-16 16:25:23,511 INFO L226 Difference]: Without dead ends: 1259 [2022-10-16 16:25:23,514 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 16:25:23,518 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 2302 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2302 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:23,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2302 Valid, 859 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:23,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2022-10-16 16:25:23,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1247. [2022-10-16 16:25:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1003 states have (on average 1.4636091724825524) internal successors, (1468), 1246 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:23,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1468 transitions. [2022-10-16 16:25:23,626 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1468 transitions. Word has length 36 [2022-10-16 16:25:23,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:23,627 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1468 transitions. [2022-10-16 16:25:23,627 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 16:25:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1468 transitions. [2022-10-16 16:25:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 16:25:23,632 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:23,632 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 16:25:23,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:25:23,633 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr338ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:23,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:23,644 INFO L85 PathProgramCache]: Analyzing trace with hash -153702470, now seen corresponding path program 1 times [2022-10-16 16:25:23,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:23,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048355077] [2022-10-16 16:25:23,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:23,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:23,866 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 16:25:23,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:23,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048355077] [2022-10-16 16:25:23,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048355077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:23,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:23,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:23,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546006175] [2022-10-16 16:25:23,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:23,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:23,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:23,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:23,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:23,870 INFO L87 Difference]: Start difference. First operand 1247 states and 1468 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 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 16:25:24,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:24,862 INFO L93 Difference]: Finished difference Result 1425 states and 1697 transitions. [2022-10-16 16:25:24,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:25:24,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 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 16:25:24,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:24,870 INFO L225 Difference]: With dead ends: 1425 [2022-10-16 16:25:24,871 INFO L226 Difference]: Without dead ends: 1386 [2022-10-16 16:25:24,872 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 16:25:24,873 INFO L413 NwaCegarLoop]: 916 mSDtfsCounter, 2664 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2664 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:24,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2664 Valid, 1801 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:25:24,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2022-10-16 16:25:24,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1282. [2022-10-16 16:25:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1074 states have (on average 1.4357541899441342) internal successors, (1542), 1281 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1542 transitions. [2022-10-16 16:25:24,943 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1542 transitions. Word has length 37 [2022-10-16 16:25:24,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:24,943 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1542 transitions. [2022-10-16 16:25:24,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 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 16:25:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1542 transitions. [2022-10-16 16:25:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 16:25:24,945 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:24,946 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 16:25:24,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:25:24,946 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr339ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:24,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:24,947 INFO L85 PathProgramCache]: Analyzing trace with hash -469806543, now seen corresponding path program 1 times [2022-10-16 16:25:24,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:24,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556237250] [2022-10-16 16:25:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:24,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:25,077 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 16:25:25,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:25,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556237250] [2022-10-16 16:25:25,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556237250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:25,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:25,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:25,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244539267] [2022-10-16 16:25:25,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:25,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:25,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:25,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:25,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:25,085 INFO L87 Difference]: Start difference. First operand 1282 states and 1542 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 16:25:25,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:25,930 INFO L93 Difference]: Finished difference Result 1377 states and 1658 transitions. [2022-10-16 16:25:25,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:25,931 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 16:25:25,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:25,938 INFO L225 Difference]: With dead ends: 1377 [2022-10-16 16:25:25,939 INFO L226 Difference]: Without dead ends: 1332 [2022-10-16 16:25:25,939 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 16:25:25,942 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 3098 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:25,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3098 Valid, 1163 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:25,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2022-10-16 16:25:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1311. [2022-10-16 16:25:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1145 states have (on average 1.4034934497816594) internal successors, (1607), 1310 states have internal predecessors, (1607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1607 transitions. [2022-10-16 16:25:26,012 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1607 transitions. Word has length 38 [2022-10-16 16:25:26,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:26,015 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1607 transitions. [2022-10-16 16:25:26,015 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 16:25:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1607 transitions. [2022-10-16 16:25:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 16:25:26,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:26,021 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 16:25:26,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:25:26,022 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr340ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:26,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:26,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1679098212, now seen corresponding path program 1 times [2022-10-16 16:25:26,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:26,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793924307] [2022-10-16 16:25:26,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:26,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:26,185 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 16:25:26,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:26,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793924307] [2022-10-16 16:25:26,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793924307] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:26,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:26,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:26,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761916770] [2022-10-16 16:25:26,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:26,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:26,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:26,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:26,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:26,188 INFO L87 Difference]: Start difference. First operand 1311 states and 1607 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 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 16:25:27,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:27,492 INFO L93 Difference]: Finished difference Result 2377 states and 3195 transitions. [2022-10-16 16:25:27,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:25:27,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 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 16:25:27,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:27,505 INFO L225 Difference]: With dead ends: 2377 [2022-10-16 16:25:27,505 INFO L226 Difference]: Without dead ends: 1970 [2022-10-16 16:25:27,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:25:27,509 INFO L413 NwaCegarLoop]: 923 mSDtfsCounter, 3313 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 1717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:27,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 2591 Invalid, 1717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:25:27,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2022-10-16 16:25:27,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1632. [2022-10-16 16:25:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1500 states have (on average 1.4086666666666667) internal successors, (2113), 1631 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2113 transitions. [2022-10-16 16:25:27,606 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2113 transitions. Word has length 39 [2022-10-16 16:25:27,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:27,606 INFO L495 AbstractCegarLoop]: Abstraction has 1632 states and 2113 transitions. [2022-10-16 16:25:27,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 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 16:25:27,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2113 transitions. [2022-10-16 16:25:27,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 16:25:27,608 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:27,608 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 16:25:27,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:25:27,608 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr341ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:27,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:27,609 INFO L85 PathProgramCache]: Analyzing trace with hash -512434285, now seen corresponding path program 1 times [2022-10-16 16:25:27,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:27,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765569724] [2022-10-16 16:25:27,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:27,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:27,742 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 16:25:27,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:27,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765569724] [2022-10-16 16:25:27,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765569724] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:27,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:27,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:27,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897856387] [2022-10-16 16:25:27,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:27,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:27,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:27,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:27,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:27,745 INFO L87 Difference]: Start difference. First operand 1632 states and 2113 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 16:25:28,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:28,885 INFO L93 Difference]: Finished difference Result 1961 states and 2571 transitions. [2022-10-16 16:25:28,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:25:28,886 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 16:25:28,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:28,898 INFO L225 Difference]: With dead ends: 1961 [2022-10-16 16:25:28,899 INFO L226 Difference]: Without dead ends: 1919 [2022-10-16 16:25:28,901 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 16:25:28,905 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 3892 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3892 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:28,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3892 Valid, 1589 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:25:28,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2022-10-16 16:25:29,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1877. [2022-10-16 16:25:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1783 states have (on average 1.403252944475603) internal successors, (2502), 1876 states have internal predecessors, (2502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2502 transitions. [2022-10-16 16:25:29,017 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2502 transitions. Word has length 40 [2022-10-16 16:25:29,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:29,017 INFO L495 AbstractCegarLoop]: Abstraction has 1877 states and 2502 transitions. [2022-10-16 16:25:29,018 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 16:25:29,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2502 transitions. [2022-10-16 16:25:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:25:29,022 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:29,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:29,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:25:29,023 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr166ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:29,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:29,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1644165434, now seen corresponding path program 1 times [2022-10-16 16:25:29,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:29,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693856102] [2022-10-16 16:25:29,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:29,212 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 16:25:29,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:29,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693856102] [2022-10-16 16:25:29,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693856102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:29,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:29,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:29,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392851017] [2022-10-16 16:25:29,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:29,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:29,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:29,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:29,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:29,215 INFO L87 Difference]: Start difference. First operand 1877 states and 2502 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:29,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:29,897 INFO L93 Difference]: Finished difference Result 2327 states and 3167 transitions. [2022-10-16 16:25:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:25:29,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 16:25:29,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:29,910 INFO L225 Difference]: With dead ends: 2327 [2022-10-16 16:25:29,910 INFO L226 Difference]: Without dead ends: 2319 [2022-10-16 16:25:29,911 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 16:25:29,912 INFO L413 NwaCegarLoop]: 911 mSDtfsCounter, 974 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:29,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 1545 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:25:29,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2022-10-16 16:25:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2085. [2022-10-16 16:25:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 1996 states have (on average 1.4153306613226453) internal successors, (2825), 2084 states have internal predecessors, (2825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:30,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2825 transitions. [2022-10-16 16:25:30,051 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2825 transitions. Word has length 69 [2022-10-16 16:25:30,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:30,052 INFO L495 AbstractCegarLoop]: Abstraction has 2085 states and 2825 transitions. [2022-10-16 16:25:30,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2825 transitions. [2022-10-16 16:25:30,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:25:30,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:30,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:30,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:25:30,055 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr324ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:30,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:30,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1423684809, now seen corresponding path program 1 times [2022-10-16 16:25:30,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:30,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091203772] [2022-10-16 16:25:30,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:30,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:30,207 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 16:25:30,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:30,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091203772] [2022-10-16 16:25:30,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091203772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:30,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:30,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:30,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156691627] [2022-10-16 16:25:30,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:30,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:30,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:30,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:30,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:30,210 INFO L87 Difference]: Start difference. First operand 2085 states and 2825 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:30,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:30,919 INFO L93 Difference]: Finished difference Result 2538 states and 3490 transitions. [2022-10-16 16:25:30,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:25:30,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 16:25:30,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:30,935 INFO L225 Difference]: With dead ends: 2538 [2022-10-16 16:25:30,936 INFO L226 Difference]: Without dead ends: 2530 [2022-10-16 16:25:30,938 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 16:25:30,939 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 1199 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:30,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 1330 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:25:30,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2022-10-16 16:25:31,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2506. [2022-10-16 16:25:31,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2506 states, 2422 states have (on average 1.435177539223782) internal successors, (3476), 2505 states have internal predecessors, (3476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3476 transitions. [2022-10-16 16:25:31,141 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3476 transitions. Word has length 69 [2022-10-16 16:25:31,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:31,142 INFO L495 AbstractCegarLoop]: Abstraction has 2506 states and 3476 transitions. [2022-10-16 16:25:31,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:31,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3476 transitions. [2022-10-16 16:25:31,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:25:31,144 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:31,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:31,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:25:31,145 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr325ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:31,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:31,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1184558777, now seen corresponding path program 1 times [2022-10-16 16:25:31,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:31,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873744382] [2022-10-16 16:25:31,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:31,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:31,319 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 16:25:31,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:31,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873744382] [2022-10-16 16:25:31,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873744382] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:31,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:31,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:31,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181824902] [2022-10-16 16:25:31,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:31,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:31,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:31,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:31,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:31,323 INFO L87 Difference]: Start difference. First operand 2506 states and 3476 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:32,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:32,018 INFO L93 Difference]: Finished difference Result 2518 states and 3476 transitions. [2022-10-16 16:25:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:25:32,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:25:32,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:32,033 INFO L225 Difference]: With dead ends: 2518 [2022-10-16 16:25:32,033 INFO L226 Difference]: Without dead ends: 2510 [2022-10-16 16:25:32,038 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 16:25:32,041 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 1106 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:32,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1095 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:25:32,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-10-16 16:25:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2498. [2022-10-16 16:25:32,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 2422 states have (on average 1.4256812551610238) internal successors, (3453), 2497 states have internal predecessors, (3453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3453 transitions. [2022-10-16 16:25:32,228 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3453 transitions. Word has length 70 [2022-10-16 16:25:32,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:32,229 INFO L495 AbstractCegarLoop]: Abstraction has 2498 states and 3453 transitions. [2022-10-16 16:25:32,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:32,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3453 transitions. [2022-10-16 16:25:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:25:32,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:32,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:32,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:25:32,232 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr146ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:32,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:32,233 INFO L85 PathProgramCache]: Analyzing trace with hash -516102162, now seen corresponding path program 1 times [2022-10-16 16:25:32,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:32,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483107633] [2022-10-16 16:25:32,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:32,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:32,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:32,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483107633] [2022-10-16 16:25:32,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483107633] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:32,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:32,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:32,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173706083] [2022-10-16 16:25:32,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:32,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:32,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:32,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:32,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:32,367 INFO L87 Difference]: Start difference. First operand 2498 states and 3453 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:33,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:33,188 INFO L93 Difference]: Finished difference Result 2738 states and 3790 transitions. [2022-10-16 16:25:33,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:25:33,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:25:33,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:33,201 INFO L225 Difference]: With dead ends: 2738 [2022-10-16 16:25:33,201 INFO L226 Difference]: Without dead ends: 2732 [2022-10-16 16:25:33,202 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 16:25:33,203 INFO L413 NwaCegarLoop]: 1014 mSDtfsCounter, 437 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 2045 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:33,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 2045 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:25:33,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2022-10-16 16:25:33,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 2495. [2022-10-16 16:25:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2422 states have (on average 1.41701073492981) internal successors, (3432), 2494 states have internal predecessors, (3432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:33,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3432 transitions. [2022-10-16 16:25:33,350 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3432 transitions. Word has length 71 [2022-10-16 16:25:33,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:33,351 INFO L495 AbstractCegarLoop]: Abstraction has 2495 states and 3432 transitions. [2022-10-16 16:25:33,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3432 transitions. [2022-10-16 16:25:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:25:33,353 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:33,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:33,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:25:33,354 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr168ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:33,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash 505029448, now seen corresponding path program 1 times [2022-10-16 16:25:33,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:33,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504238547] [2022-10-16 16:25:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:33,486 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 16:25:33,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:33,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504238547] [2022-10-16 16:25:33,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504238547] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:33,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:33,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:33,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017506761] [2022-10-16 16:25:33,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:33,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:33,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:33,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:33,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:33,489 INFO L87 Difference]: Start difference. First operand 2495 states and 3432 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:34,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:34,333 INFO L93 Difference]: Finished difference Result 2735 states and 3760 transitions. [2022-10-16 16:25:34,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:34,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:25:34,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:34,345 INFO L225 Difference]: With dead ends: 2735 [2022-10-16 16:25:34,346 INFO L226 Difference]: Without dead ends: 2729 [2022-10-16 16:25:34,347 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 16:25:34,347 INFO L413 NwaCegarLoop]: 974 mSDtfsCounter, 1676 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1676 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:34,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1676 Valid, 1899 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:34,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2022-10-16 16:25:34,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2705. [2022-10-16 16:25:34,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2705 states, 2635 states have (on average 1.4223908918406072) internal successors, (3748), 2704 states have internal predecessors, (3748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:34,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 3748 transitions. [2022-10-16 16:25:34,513 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 3748 transitions. Word has length 71 [2022-10-16 16:25:34,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:34,513 INFO L495 AbstractCegarLoop]: Abstraction has 2705 states and 3748 transitions. [2022-10-16 16:25:34,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3748 transitions. [2022-10-16 16:25:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:25:34,516 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:34,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:34,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:25:34,516 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr254ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:34,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:34,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1822819603, now seen corresponding path program 1 times [2022-10-16 16:25:34,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:34,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433149561] [2022-10-16 16:25:34,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:34,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:34,646 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 16:25:34,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:34,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433149561] [2022-10-16 16:25:34,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433149561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:34,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:34,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:34,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809393673] [2022-10-16 16:25:34,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:34,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:34,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:34,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:34,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:34,648 INFO L87 Difference]: Start difference. First operand 2705 states and 3748 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:35,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:35,498 INFO L93 Difference]: Finished difference Result 2729 states and 3748 transitions. [2022-10-16 16:25:35,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:35,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:25:35,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:35,513 INFO L225 Difference]: With dead ends: 2729 [2022-10-16 16:25:35,513 INFO L226 Difference]: Without dead ends: 2723 [2022-10-16 16:25:35,514 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 16:25:35,515 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 1833 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:35,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 1767 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:35,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2022-10-16 16:25:35,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2702. [2022-10-16 16:25:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2702 states, 2635 states have (on average 1.4178368121442124) internal successors, (3736), 2701 states have internal predecessors, (3736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:35,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 3736 transitions. [2022-10-16 16:25:35,691 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 3736 transitions. Word has length 71 [2022-10-16 16:25:35,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:35,691 INFO L495 AbstractCegarLoop]: Abstraction has 2702 states and 3736 transitions. [2022-10-16 16:25:35,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 3736 transitions. [2022-10-16 16:25:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:25:35,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:35,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:35,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:25:35,694 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:35,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:35,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1933380917, now seen corresponding path program 1 times [2022-10-16 16:25:35,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:35,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602059671] [2022-10-16 16:25:35,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:35,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:35,868 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 16:25:35,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:35,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602059671] [2022-10-16 16:25:35,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602059671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:35,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:35,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:35,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797470031] [2022-10-16 16:25:35,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:35,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:35,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:35,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:35,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:35,871 INFO L87 Difference]: Start difference. First operand 2702 states and 3736 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:36,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:36,681 INFO L93 Difference]: Finished difference Result 3155 states and 4392 transitions. [2022-10-16 16:25:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:36,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:25:36,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:36,702 INFO L225 Difference]: With dead ends: 3155 [2022-10-16 16:25:36,702 INFO L226 Difference]: Without dead ends: 3149 [2022-10-16 16:25:36,705 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 16:25:36,705 INFO L413 NwaCegarLoop]: 812 mSDtfsCounter, 1918 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:36,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1918 Valid, 1583 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:36,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2022-10-16 16:25:36,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 2912. [2022-10-16 16:25:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2848 states have (on average 1.422752808988764) internal successors, (4052), 2911 states have internal predecessors, (4052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 4052 transitions. [2022-10-16 16:25:36,932 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 4052 transitions. Word has length 71 [2022-10-16 16:25:36,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:36,933 INFO L495 AbstractCegarLoop]: Abstraction has 2912 states and 4052 transitions. [2022-10-16 16:25:36,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 4052 transitions. [2022-10-16 16:25:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:25:36,936 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:36,936 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 16:25:36,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:25:36,937 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr169ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:36,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:36,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1523954836, now seen corresponding path program 1 times [2022-10-16 16:25:36,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:36,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621000973] [2022-10-16 16:25:36,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:36,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:37,089 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 16:25:37,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:37,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621000973] [2022-10-16 16:25:37,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621000973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:37,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:37,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:37,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935702324] [2022-10-16 16:25:37,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:37,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:37,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:37,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:37,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:37,093 INFO L87 Difference]: Start difference. First operand 2912 states and 4052 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:38,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:38,278 INFO L93 Difference]: Finished difference Result 3791 states and 5364 transitions. [2022-10-16 16:25:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:38,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:25:38,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:38,288 INFO L225 Difference]: With dead ends: 3791 [2022-10-16 16:25:38,289 INFO L226 Difference]: Without dead ends: 3785 [2022-10-16 16:25:38,291 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 16:25:38,292 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 2145 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:38,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 1328 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:25:38,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2022-10-16 16:25:38,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3548. [2022-10-16 16:25:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3548 states, 3487 states have (on average 1.4381990249498136) internal successors, (5015), 3547 states have internal predecessors, (5015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 5015 transitions. [2022-10-16 16:25:38,554 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 5015 transitions. Word has length 72 [2022-10-16 16:25:38,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:38,555 INFO L495 AbstractCegarLoop]: Abstraction has 3548 states and 5015 transitions. [2022-10-16 16:25:38,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:38,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 5015 transitions. [2022-10-16 16:25:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:25:38,557 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:38,558 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 16:25:38,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:25:38,558 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr327ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:38,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:38,559 INFO L85 PathProgramCache]: Analyzing trace with hash 194736379, now seen corresponding path program 1 times [2022-10-16 16:25:38,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:38,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413987748] [2022-10-16 16:25:38,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:38,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:38,694 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 16:25:38,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:38,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413987748] [2022-10-16 16:25:38,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413987748] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:38,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:38,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:38,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3225702] [2022-10-16 16:25:38,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:38,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:38,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:38,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:38,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:38,697 INFO L87 Difference]: Start difference. First operand 3548 states and 5015 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:39,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:39,603 INFO L93 Difference]: Finished difference Result 4430 states and 6345 transitions. [2022-10-16 16:25:39,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:39,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:25:39,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:39,616 INFO L225 Difference]: With dead ends: 4430 [2022-10-16 16:25:39,616 INFO L226 Difference]: Without dead ends: 4422 [2022-10-16 16:25:39,618 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 16:25:39,619 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 2376 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2376 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:39,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2376 Valid, 1217 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:25:39,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4422 states. [2022-10-16 16:25:39,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4422 to 4395. [2022-10-16 16:25:39,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4395 states, 4339 states have (on average 1.4507951140815856) internal successors, (6295), 4394 states have internal predecessors, (6295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:39,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 4395 states and 6295 transitions. [2022-10-16 16:25:39,931 INFO L78 Accepts]: Start accepts. Automaton has 4395 states and 6295 transitions. Word has length 72 [2022-10-16 16:25:39,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:39,932 INFO L495 AbstractCegarLoop]: Abstraction has 4395 states and 6295 transitions. [2022-10-16 16:25:39,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:39,932 INFO L276 IsEmpty]: Start isEmpty. Operand 4395 states and 6295 transitions. [2022-10-16 16:25:39,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:25:39,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:39,934 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] [2022-10-16 16:25:39,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:25:39,935 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr148ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:39,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:39,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2052896848, now seen corresponding path program 1 times [2022-10-16 16:25:39,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:39,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843328439] [2022-10-16 16:25:39,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:39,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:40,074 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 16:25:40,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:40,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843328439] [2022-10-16 16:25:40,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843328439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:40,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:40,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:40,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826705546] [2022-10-16 16:25:40,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:40,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:40,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:40,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:40,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:40,079 INFO L87 Difference]: Start difference. First operand 4395 states and 6295 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 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 16:25:41,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:41,044 INFO L93 Difference]: Finished difference Result 5067 states and 7288 transitions. [2022-10-16 16:25:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:41,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 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 16:25:41,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:41,058 INFO L225 Difference]: With dead ends: 5067 [2022-10-16 16:25:41,058 INFO L226 Difference]: Without dead ends: 5062 [2022-10-16 16:25:41,061 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 16:25:41,062 INFO L413 NwaCegarLoop]: 956 mSDtfsCounter, 1338 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:41,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 2052 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:41,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5062 states. [2022-10-16 16:25:41,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5062 to 5032. [2022-10-16 16:25:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5032 states, 4978 states have (on average 1.4600241060666934) internal successors, (7268), 5031 states have internal predecessors, (7268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5032 states to 5032 states and 7268 transitions. [2022-10-16 16:25:41,407 INFO L78 Accepts]: Start accepts. Automaton has 5032 states and 7268 transitions. Word has length 73 [2022-10-16 16:25:41,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:41,408 INFO L495 AbstractCegarLoop]: Abstraction has 5032 states and 7268 transitions. [2022-10-16 16:25:41,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 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 16:25:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 5032 states and 7268 transitions. [2022-10-16 16:25:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:25:41,410 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:41,410 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] [2022-10-16 16:25:41,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:25:41,411 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr170ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:41,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:41,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2041802, now seen corresponding path program 1 times [2022-10-16 16:25:41,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:41,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012959897] [2022-10-16 16:25:41,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:41,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:41,607 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 16:25:41,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:41,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012959897] [2022-10-16 16:25:41,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012959897] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:41,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:41,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:41,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336803336] [2022-10-16 16:25:41,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:41,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:41,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:41,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:41,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:41,609 INFO L87 Difference]: Start difference. First operand 5032 states and 7268 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:42,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:42,797 INFO L93 Difference]: Finished difference Result 8970 states and 13190 transitions. [2022-10-16 16:25:42,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:42,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:25:42,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:42,810 INFO L225 Difference]: With dead ends: 8970 [2022-10-16 16:25:42,811 INFO L226 Difference]: Without dead ends: 5332 [2022-10-16 16:25:42,819 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 16:25:42,820 INFO L413 NwaCegarLoop]: 967 mSDtfsCounter, 2394 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 2575 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:42,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 2575 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:25:42,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5332 states. [2022-10-16 16:25:43,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5332 to 5314. [2022-10-16 16:25:43,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5314 states, 5262 states have (on average 1.4570505511212466) internal successors, (7667), 5313 states have internal predecessors, (7667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 7667 transitions. [2022-10-16 16:25:43,204 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 7667 transitions. Word has length 73 [2022-10-16 16:25:43,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:43,205 INFO L495 AbstractCegarLoop]: Abstraction has 5314 states and 7667 transitions. [2022-10-16 16:25:43,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 7667 transitions. [2022-10-16 16:25:43,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:25:43,208 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:43,209 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] [2022-10-16 16:25:43,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:25:43,209 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:43,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:43,209 INFO L85 PathProgramCache]: Analyzing trace with hash -374555348, now seen corresponding path program 1 times [2022-10-16 16:25:43,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:43,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882889447] [2022-10-16 16:25:43,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:43,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:43,362 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 16:25:43,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:43,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882889447] [2022-10-16 16:25:43,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882889447] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:43,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:43,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:43,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240580220] [2022-10-16 16:25:43,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:43,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:43,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:43,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:43,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:43,365 INFO L87 Difference]: Start difference. First operand 5314 states and 7667 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 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 16:25:44,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:44,205 INFO L93 Difference]: Finished difference Result 5551 states and 7986 transitions. [2022-10-16 16:25:44,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:44,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 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 16:25:44,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:44,217 INFO L225 Difference]: With dead ends: 5551 [2022-10-16 16:25:44,217 INFO L226 Difference]: Without dead ends: 5546 [2022-10-16 16:25:44,220 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 16:25:44,221 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 1020 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:44,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 1873 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:25:44,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5546 states. [2022-10-16 16:25:44,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5546 to 5525. [2022-10-16 16:25:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5525 states, 5475 states have (on average 1.4549771689497717) internal successors, (7966), 5524 states have internal predecessors, (7966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5525 states to 5525 states and 7966 transitions. [2022-10-16 16:25:44,607 INFO L78 Accepts]: Start accepts. Automaton has 5525 states and 7966 transitions. Word has length 73 [2022-10-16 16:25:44,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:44,608 INFO L495 AbstractCegarLoop]: Abstraction has 5525 states and 7966 transitions. [2022-10-16 16:25:44,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 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 16:25:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 5525 states and 7966 transitions. [2022-10-16 16:25:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:25:44,610 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:44,610 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 16:25:44,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:25:44,611 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr256ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:44,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:44,611 INFO L85 PathProgramCache]: Analyzing trace with hash -616949675, now seen corresponding path program 1 times [2022-10-16 16:25:44,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:44,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156209757] [2022-10-16 16:25:44,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:44,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:44,805 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 16:25:44,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:44,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156209757] [2022-10-16 16:25:44,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156209757] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:44,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:44,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:44,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363988167] [2022-10-16 16:25:44,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:44,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:44,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:44,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:44,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:44,810 INFO L87 Difference]: Start difference. First operand 5525 states and 7966 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:45,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:45,986 INFO L93 Difference]: Finished difference Result 8966 states and 13115 transitions. [2022-10-16 16:25:45,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:45,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:25:45,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:45,998 INFO L225 Difference]: With dead ends: 8966 [2022-10-16 16:25:45,998 INFO L226 Difference]: Without dead ends: 5754 [2022-10-16 16:25:46,006 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 16:25:46,006 INFO L413 NwaCegarLoop]: 966 mSDtfsCounter, 2358 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2358 SdHoareTripleChecker+Valid, 2560 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:46,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2358 Valid, 2560 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:25:46,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5754 states. [2022-10-16 16:25:46,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5754 to 5736. [2022-10-16 16:25:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5736 states, 5688 states have (on average 1.4532348804500703) internal successors, (8266), 5735 states have internal predecessors, (8266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:46,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5736 states to 5736 states and 8266 transitions. [2022-10-16 16:25:46,368 INFO L78 Accepts]: Start accepts. Automaton has 5736 states and 8266 transitions. Word has length 73 [2022-10-16 16:25:46,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:46,369 INFO L495 AbstractCegarLoop]: Abstraction has 5736 states and 8266 transitions. [2022-10-16 16:25:46,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:46,369 INFO L276 IsEmpty]: Start isEmpty. Operand 5736 states and 8266 transitions. [2022-10-16 16:25:46,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:25:46,371 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:46,371 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 16:25:46,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:25:46,372 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr234ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:46,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:46,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1502281797, now seen corresponding path program 1 times [2022-10-16 16:25:46,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:46,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440130318] [2022-10-16 16:25:46,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:46,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:46,544 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 16:25:46,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:46,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440130318] [2022-10-16 16:25:46,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440130318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:46,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:46,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:46,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028842306] [2022-10-16 16:25:46,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:46,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:46,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:46,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:46,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:46,546 INFO L87 Difference]: Start difference. First operand 5736 states and 8266 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 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 16:25:47,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:47,729 INFO L93 Difference]: Finished difference Result 6399 states and 9223 transitions. [2022-10-16 16:25:47,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:47,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 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 16:25:47,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:47,743 INFO L225 Difference]: With dead ends: 6399 [2022-10-16 16:25:47,743 INFO L226 Difference]: Without dead ends: 6394 [2022-10-16 16:25:47,746 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 16:25:47,747 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 1012 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 2079 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:47,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1012 Valid, 2079 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:25:47,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6394 states. [2022-10-16 16:25:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6394 to 6373. [2022-10-16 16:25:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6373 states, 6327 states have (on average 1.4545598229808756) internal successors, (9203), 6372 states have internal predecessors, (9203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6373 states to 6373 states and 9203 transitions. [2022-10-16 16:25:48,194 INFO L78 Accepts]: Start accepts. Automaton has 6373 states and 9203 transitions. Word has length 73 [2022-10-16 16:25:48,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:48,194 INFO L495 AbstractCegarLoop]: Abstraction has 6373 states and 9203 transitions. [2022-10-16 16:25:48,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 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 16:25:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 6373 states and 9203 transitions. [2022-10-16 16:25:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:25:48,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:48,196 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 16:25:48,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:25:48,197 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr328ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:48,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:48,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1741863117, now seen corresponding path program 1 times [2022-10-16 16:25:48,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:48,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097054426] [2022-10-16 16:25:48,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:48,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:48,339 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 16:25:48,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:48,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097054426] [2022-10-16 16:25:48,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097054426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:48,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:48,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:48,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759016503] [2022-10-16 16:25:48,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:48,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:48,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:48,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:48,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:48,343 INFO L87 Difference]: Start difference. First operand 6373 states and 9203 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:49,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:49,438 INFO L93 Difference]: Finished difference Result 9172 states and 13341 transitions. [2022-10-16 16:25:49,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:49,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:25:49,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:49,447 INFO L225 Difference]: With dead ends: 9172 [2022-10-16 16:25:49,447 INFO L226 Difference]: Without dead ends: 6602 [2022-10-16 16:25:49,453 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 16:25:49,454 INFO L413 NwaCegarLoop]: 960 mSDtfsCounter, 2518 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2518 SdHoareTripleChecker+Valid, 1998 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:49,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2518 Valid, 1998 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:49,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6602 states. [2022-10-16 16:25:49,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6602 to 6584. [2022-10-16 16:25:49,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6584 states, 6540 states have (on average 1.4530581039755353) internal successors, (9503), 6583 states have internal predecessors, (9503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 9503 transitions. [2022-10-16 16:25:49,848 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 9503 transitions. Word has length 73 [2022-10-16 16:25:49,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:49,848 INFO L495 AbstractCegarLoop]: Abstraction has 6584 states and 9503 transitions. [2022-10-16 16:25:49,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:49,849 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 9503 transitions. [2022-10-16 16:25:49,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:25:49,850 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:49,850 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] [2022-10-16 16:25:49,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:25:49,851 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr302ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:49,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:49,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1420434411, now seen corresponding path program 1 times [2022-10-16 16:25:49,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:49,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473611054] [2022-10-16 16:25:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:49,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:50,002 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 16:25:50,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:50,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473611054] [2022-10-16 16:25:50,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473611054] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:50,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:50,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:50,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827298403] [2022-10-16 16:25:50,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:50,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:50,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:50,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:50,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:50,004 INFO L87 Difference]: Start difference. First operand 6584 states and 9503 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:51,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:51,278 INFO L93 Difference]: Finished difference Result 11655 states and 17079 transitions. [2022-10-16 16:25:51,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:25:51,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:25:51,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:51,290 INFO L225 Difference]: With dead ends: 11655 [2022-10-16 16:25:51,290 INFO L226 Difference]: Without dead ends: 6584 [2022-10-16 16:25:51,299 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 16:25:51,300 INFO L413 NwaCegarLoop]: 962 mSDtfsCounter, 2339 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 1452 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2339 SdHoareTripleChecker+Valid, 2573 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:51,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2339 Valid, 2573 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1452 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:25:51,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2022-10-16 16:25:51,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6569. [2022-10-16 16:25:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6569 states, 6527 states have (on average 1.4530412134211736) internal successors, (9484), 6568 states have internal predecessors, (9484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:51,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 9484 transitions. [2022-10-16 16:25:51,646 INFO L78 Accepts]: Start accepts. Automaton has 6569 states and 9484 transitions. Word has length 73 [2022-10-16 16:25:51,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:51,646 INFO L495 AbstractCegarLoop]: Abstraction has 6569 states and 9484 transitions. [2022-10-16 16:25:51,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:51,646 INFO L276 IsEmpty]: Start isEmpty. Operand 6569 states and 9484 transitions. [2022-10-16 16:25:51,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:25:51,648 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:51,649 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 16:25:51,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:25:51,649 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr149ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:51,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:51,650 INFO L85 PathProgramCache]: Analyzing trace with hash 784708462, now seen corresponding path program 1 times [2022-10-16 16:25:51,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:51,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209067051] [2022-10-16 16:25:51,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:51,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:51,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:51,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209067051] [2022-10-16 16:25:51,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209067051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:51,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:51,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:51,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015256387] [2022-10-16 16:25:51,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:51,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:51,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:51,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:51,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:51,802 INFO L87 Difference]: Start difference. First operand 6569 states and 9484 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 16:25:52,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:52,816 INFO L93 Difference]: Finished difference Result 6590 states and 9484 transitions. [2022-10-16 16:25:52,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:52,817 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 16:25:52,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:52,824 INFO L225 Difference]: With dead ends: 6590 [2022-10-16 16:25:52,825 INFO L226 Difference]: Without dead ends: 6585 [2022-10-16 16:25:52,826 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 16:25:52,827 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 1257 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:52,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 1407 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:25:52,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6585 states. [2022-10-16 16:25:53,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6585 to 5289. [2022-10-16 16:25:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5289 states, 5249 states have (on average 1.4332253762621452) internal successors, (7523), 5288 states have internal predecessors, (7523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:53,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5289 states to 5289 states and 7523 transitions. [2022-10-16 16:25:53,126 INFO L78 Accepts]: Start accepts. Automaton has 5289 states and 7523 transitions. Word has length 74 [2022-10-16 16:25:53,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:53,126 INFO L495 AbstractCegarLoop]: Abstraction has 5289 states and 7523 transitions. [2022-10-16 16:25:53,127 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 16:25:53,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5289 states and 7523 transitions. [2022-10-16 16:25:53,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:25:53,129 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:53,129 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 16:25:53,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:25:53,129 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr171ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:53,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:53,130 INFO L85 PathProgramCache]: Analyzing trace with hash 63297326, now seen corresponding path program 1 times [2022-10-16 16:25:53,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:53,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65134781] [2022-10-16 16:25:53,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:53,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:53,282 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 16:25:53,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:53,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65134781] [2022-10-16 16:25:53,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65134781] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:53,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:53,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:53,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555774116] [2022-10-16 16:25:53,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:53,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:53,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:53,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:53,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:53,285 INFO L87 Difference]: Start difference. First operand 5289 states and 7523 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:54,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:54,437 INFO L93 Difference]: Finished difference Result 11375 states and 16570 transitions. [2022-10-16 16:25:54,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:54,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:25:54,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:54,449 INFO L225 Difference]: With dead ends: 11375 [2022-10-16 16:25:54,449 INFO L226 Difference]: Without dead ends: 8352 [2022-10-16 16:25:54,455 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 16:25:54,456 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 2863 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2863 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:54,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2863 Valid, 1591 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:54,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8352 states. [2022-10-16 16:25:54,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8352 to 7961. [2022-10-16 16:25:54,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7961 states, 7924 states have (on average 1.454946996466431) internal successors, (11529), 7960 states have internal predecessors, (11529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7961 states to 7961 states and 11529 transitions. [2022-10-16 16:25:54,970 INFO L78 Accepts]: Start accepts. Automaton has 7961 states and 11529 transitions. Word has length 74 [2022-10-16 16:25:54,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:54,971 INFO L495 AbstractCegarLoop]: Abstraction has 7961 states and 11529 transitions. [2022-10-16 16:25:54,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 7961 states and 11529 transitions. [2022-10-16 16:25:54,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:25:54,972 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:54,972 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 16:25:54,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:25:54,973 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:54,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:54,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1945568593, now seen corresponding path program 1 times [2022-10-16 16:25:54,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:54,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416050950] [2022-10-16 16:25:54,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:54,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:55,113 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 16:25:55,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:55,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416050950] [2022-10-16 16:25:55,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416050950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:55,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:55,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:55,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991704594] [2022-10-16 16:25:55,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:55,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:55,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:55,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:55,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:55,116 INFO L87 Difference]: Start difference. First operand 7961 states and 11529 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:56,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:56,313 INFO L93 Difference]: Finished difference Result 14674 states and 21505 transitions. [2022-10-16 16:25:56,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:56,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:25:56,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:56,326 INFO L225 Difference]: With dead ends: 14674 [2022-10-16 16:25:56,326 INFO L226 Difference]: Without dead ends: 8888 [2022-10-16 16:25:56,334 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 16:25:56,335 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 2835 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2835 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:56,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2835 Valid, 1553 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:56,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8888 states. [2022-10-16 16:25:56,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8888 to 8509. [2022-10-16 16:25:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8509 states, 8474 states have (on average 1.4579891432617418) internal successors, (12355), 8508 states have internal predecessors, (12355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:56,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8509 states to 8509 states and 12355 transitions. [2022-10-16 16:25:56,999 INFO L78 Accepts]: Start accepts. Automaton has 8509 states and 12355 transitions. Word has length 74 [2022-10-16 16:25:56,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:56,999 INFO L495 AbstractCegarLoop]: Abstraction has 8509 states and 12355 transitions. [2022-10-16 16:25:56,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 8509 states and 12355 transitions. [2022-10-16 16:25:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:25:57,001 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:57,001 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 16:25:57,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:25:57,002 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr329ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:57,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:57,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1836815555, now seen corresponding path program 1 times [2022-10-16 16:25:57,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:57,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149841023] [2022-10-16 16:25:57,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:57,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:57,176 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 16:25:57,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:57,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149841023] [2022-10-16 16:25:57,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149841023] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:57,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:57,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:57,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398030450] [2022-10-16 16:25:57,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:57,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:57,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:57,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:57,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:57,180 INFO L87 Difference]: Start difference. First operand 8509 states and 12355 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:58,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:58,522 INFO L93 Difference]: Finished difference Result 14737 states and 21580 transitions. [2022-10-16 16:25:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:58,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:25:58,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:58,532 INFO L225 Difference]: With dead ends: 14737 [2022-10-16 16:25:58,532 INFO L226 Difference]: Without dead ends: 10081 [2022-10-16 16:25:58,538 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 16:25:58,539 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 2847 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2847 SdHoareTripleChecker+Valid, 1602 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:58,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2847 Valid, 1602 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:58,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10081 states. [2022-10-16 16:25:59,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10081 to 9616. [2022-10-16 16:25:59,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9616 states, 9584 states have (on average 1.4641068447412353) internal successors, (14032), 9615 states have internal predecessors, (14032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9616 states to 9616 states and 14032 transitions. [2022-10-16 16:25:59,097 INFO L78 Accepts]: Start accepts. Automaton has 9616 states and 14032 transitions. Word has length 74 [2022-10-16 16:25:59,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:59,097 INFO L495 AbstractCegarLoop]: Abstraction has 9616 states and 14032 transitions. [2022-10-16 16:25:59,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:59,098 INFO L276 IsEmpty]: Start isEmpty. Operand 9616 states and 14032 transitions. [2022-10-16 16:25:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:25:59,099 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:59,099 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 16:25:59,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:25:59,099 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:25:59,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:59,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1762128470, now seen corresponding path program 1 times [2022-10-16 16:25:59,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:59,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493100349] [2022-10-16 16:25:59,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:59,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:59,249 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 16:25:59,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:59,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493100349] [2022-10-16 16:25:59,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493100349] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:59,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:59,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:59,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810313486] [2022-10-16 16:25:59,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:59,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:59,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:59,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:59,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:59,252 INFO L87 Difference]: Start difference. First operand 9616 states and 14032 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:00,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:00,371 INFO L93 Difference]: Finished difference Result 9702 states and 14135 transitions. [2022-10-16 16:26:00,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:00,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:00,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:00,386 INFO L225 Difference]: With dead ends: 9702 [2022-10-16 16:26:00,386 INFO L226 Difference]: Without dead ends: 9685 [2022-10-16 16:26:00,390 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 16:26:00,391 INFO L413 NwaCegarLoop]: 932 mSDtfsCounter, 1622 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:00,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 1892 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:26:00,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9685 states. [2022-10-16 16:26:00,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9685 to 9673. [2022-10-16 16:26:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9673 states, 9642 states have (on average 1.463596764156814) internal successors, (14112), 9672 states have internal predecessors, (14112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9673 states to 9673 states and 14112 transitions. [2022-10-16 16:26:01,011 INFO L78 Accepts]: Start accepts. Automaton has 9673 states and 14112 transitions. Word has length 75 [2022-10-16 16:26:01,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:01,012 INFO L495 AbstractCegarLoop]: Abstraction has 9673 states and 14112 transitions. [2022-10-16 16:26:01,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 14112 transitions. [2022-10-16 16:26:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:26:01,013 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:01,013 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 16:26:01,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:26:01,014 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr150ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:01,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:01,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1443840142, now seen corresponding path program 1 times [2022-10-16 16:26:01,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:01,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164404730] [2022-10-16 16:26:01,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:01,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:01,153 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 16:26:01,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:01,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164404730] [2022-10-16 16:26:01,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164404730] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:01,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:01,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:01,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168736822] [2022-10-16 16:26:01,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:01,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:01,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:01,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:01,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:01,155 INFO L87 Difference]: Start difference. First operand 9673 states and 14112 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:02,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:02,622 INFO L93 Difference]: Finished difference Result 10348 states and 15069 transitions. [2022-10-16 16:26:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:02,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:02,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:02,645 INFO L225 Difference]: With dead ends: 10348 [2022-10-16 16:26:02,645 INFO L226 Difference]: Without dead ends: 10344 [2022-10-16 16:26:02,649 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 16:26:02,650 INFO L413 NwaCegarLoop]: 1042 mSDtfsCounter, 1794 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:02,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1794 Valid, 2529 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:26:02,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10344 states. [2022-10-16 16:26:03,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10344 to 10311. [2022-10-16 16:26:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10311 states, 10281 states have (on average 1.4644489835619103) internal successors, (15056), 10310 states have internal predecessors, (15056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10311 states to 10311 states and 15056 transitions. [2022-10-16 16:26:03,281 INFO L78 Accepts]: Start accepts. Automaton has 10311 states and 15056 transitions. Word has length 75 [2022-10-16 16:26:03,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:03,281 INFO L495 AbstractCegarLoop]: Abstraction has 10311 states and 15056 transitions. [2022-10-16 16:26:03,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 10311 states and 15056 transitions. [2022-10-16 16:26:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:26:03,283 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:03,283 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 16:26:03,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:26:03,284 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:03,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:03,284 INFO L85 PathProgramCache]: Analyzing trace with hash -396611442, now seen corresponding path program 1 times [2022-10-16 16:26:03,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:03,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163369765] [2022-10-16 16:26:03,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:03,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:03,401 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 16:26:03,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:03,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163369765] [2022-10-16 16:26:03,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163369765] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:03,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:03,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:26:03,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302588416] [2022-10-16 16:26:03,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:03,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:26:03,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:03,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:26:03,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:26:03,403 INFO L87 Difference]: Start difference. First operand 10311 states and 15056 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 16:26:04,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:04,571 INFO L93 Difference]: Finished difference Result 11545 states and 16863 transitions. [2022-10-16 16:26:04,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:26:04,572 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 16:26:04,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:04,585 INFO L225 Difference]: With dead ends: 11545 [2022-10-16 16:26:04,586 INFO L226 Difference]: Without dead ends: 11541 [2022-10-16 16:26:04,589 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 16:26:04,590 INFO L413 NwaCegarLoop]: 960 mSDtfsCounter, 531 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1998 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:04,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 1998 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:26:04,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11541 states. [2022-10-16 16:26:05,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11541 to 10878. [2022-10-16 16:26:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10878 states, 10849 states have (on average 1.4582910867361047) internal successors, (15821), 10877 states have internal predecessors, (15821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:05,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10878 states to 10878 states and 15821 transitions. [2022-10-16 16:26:05,299 INFO L78 Accepts]: Start accepts. Automaton has 10878 states and 15821 transitions. Word has length 75 [2022-10-16 16:26:05,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:05,299 INFO L495 AbstractCegarLoop]: Abstraction has 10878 states and 15821 transitions. [2022-10-16 16:26:05,300 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 16:26:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 10878 states and 15821 transitions. [2022-10-16 16:26:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:26:05,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:05,301 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 16:26:05,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:26:05,301 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:05,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:05,302 INFO L85 PathProgramCache]: Analyzing trace with hash 829589326, now seen corresponding path program 1 times [2022-10-16 16:26:05,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:05,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559551237] [2022-10-16 16:26:05,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:05,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:05,437 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 16:26:05,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:05,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559551237] [2022-10-16 16:26:05,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559551237] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:05,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:05,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:05,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854143206] [2022-10-16 16:26:05,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:05,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:05,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:05,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:05,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:05,439 INFO L87 Difference]: Start difference. First operand 10878 states and 15821 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:06,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:06,689 INFO L93 Difference]: Finished difference Result 11541 states and 16760 transitions. [2022-10-16 16:26:06,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:06,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:06,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:06,703 INFO L225 Difference]: With dead ends: 11541 [2022-10-16 16:26:06,703 INFO L226 Difference]: Without dead ends: 11537 [2022-10-16 16:26:06,706 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 16:26:06,707 INFO L413 NwaCegarLoop]: 956 mSDtfsCounter, 1610 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:06,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 1895 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:26:06,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11537 states. [2022-10-16 16:26:07,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11537 to 11516. [2022-10-16 16:26:07,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11516 states, 11488 states have (on average 1.457782033426184) internal successors, (16747), 11515 states have internal predecessors, (16747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11516 states to 11516 states and 16747 transitions. [2022-10-16 16:26:07,435 INFO L78 Accepts]: Start accepts. Automaton has 11516 states and 16747 transitions. Word has length 75 [2022-10-16 16:26:07,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:07,436 INFO L495 AbstractCegarLoop]: Abstraction has 11516 states and 16747 transitions. [2022-10-16 16:26:07,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 11516 states and 16747 transitions. [2022-10-16 16:26:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:26:07,438 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:07,438 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 16:26:07,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:26:07,438 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr236ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:07,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:07,439 INFO L85 PathProgramCache]: Analyzing trace with hash -583731651, now seen corresponding path program 1 times [2022-10-16 16:26:07,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:07,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17487464] [2022-10-16 16:26:07,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:07,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:07,578 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 16:26:07,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:07,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17487464] [2022-10-16 16:26:07,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17487464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:07,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:07,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:07,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315514406] [2022-10-16 16:26:07,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:07,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:07,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:07,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:07,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:07,581 INFO L87 Difference]: Start difference. First operand 11516 states and 16747 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:09,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:09,124 INFO L93 Difference]: Finished difference Result 12179 states and 17686 transitions. [2022-10-16 16:26:09,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:09,125 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:09,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:09,138 INFO L225 Difference]: With dead ends: 12179 [2022-10-16 16:26:09,139 INFO L226 Difference]: Without dead ends: 12175 [2022-10-16 16:26:09,142 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 16:26:09,143 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1949 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 1858 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:09,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 1858 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:26:09,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12175 states. [2022-10-16 16:26:09,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12175 to 12154. [2022-10-16 16:26:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12154 states, 12127 states have (on average 1.4573266265358291) internal successors, (17673), 12153 states have internal predecessors, (17673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12154 states to 12154 states and 17673 transitions. [2022-10-16 16:26:09,953 INFO L78 Accepts]: Start accepts. Automaton has 12154 states and 17673 transitions. Word has length 75 [2022-10-16 16:26:09,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:09,953 INFO L495 AbstractCegarLoop]: Abstraction has 12154 states and 17673 transitions. [2022-10-16 16:26:09,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 12154 states and 17673 transitions. [2022-10-16 16:26:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:26:09,955 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:09,955 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 16:26:09,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:26:09,955 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr216ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:09,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:09,956 INFO L85 PathProgramCache]: Analyzing trace with hash 2075362578, now seen corresponding path program 1 times [2022-10-16 16:26:09,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:09,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305084560] [2022-10-16 16:26:09,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:09,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:10,108 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 16:26:10,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:10,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305084560] [2022-10-16 16:26:10,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305084560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:10,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:10,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:10,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799986017] [2022-10-16 16:26:10,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:10,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:10,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:10,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:10,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:10,111 INFO L87 Difference]: Start difference. First operand 12154 states and 17673 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:11,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:11,387 INFO L93 Difference]: Finished difference Result 12240 states and 17776 transitions. [2022-10-16 16:26:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:11,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:11,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:11,404 INFO L225 Difference]: With dead ends: 12240 [2022-10-16 16:26:11,404 INFO L226 Difference]: Without dead ends: 12236 [2022-10-16 16:26:11,408 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 16:26:11,409 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 1734 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:11,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 1950 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:26:11,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12236 states. [2022-10-16 16:26:12,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12236 to 12224. [2022-10-16 16:26:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12224 states, 12198 states have (on average 1.456714215445155) internal successors, (17769), 12223 states have internal predecessors, (17769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:12,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12224 states to 12224 states and 17769 transitions. [2022-10-16 16:26:12,187 INFO L78 Accepts]: Start accepts. Automaton has 12224 states and 17769 transitions. Word has length 75 [2022-10-16 16:26:12,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:12,187 INFO L495 AbstractCegarLoop]: Abstraction has 12224 states and 17769 transitions. [2022-10-16 16:26:12,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 12224 states and 17769 transitions. [2022-10-16 16:26:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:26:12,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:12,189 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 16:26:12,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:26:12,189 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr282ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:12,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:12,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1692639762, now seen corresponding path program 1 times [2022-10-16 16:26:12,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:12,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785991090] [2022-10-16 16:26:12,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:12,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:12,327 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 16:26:12,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:12,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785991090] [2022-10-16 16:26:12,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785991090] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:12,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:12,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:12,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898615258] [2022-10-16 16:26:12,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:12,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:12,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:12,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:12,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:12,329 INFO L87 Difference]: Start difference. First operand 12224 states and 17769 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:13,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:13,714 INFO L93 Difference]: Finished difference Result 12310 states and 17872 transitions. [2022-10-16 16:26:13,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:13,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:13,727 INFO L225 Difference]: With dead ends: 12310 [2022-10-16 16:26:13,728 INFO L226 Difference]: Without dead ends: 12306 [2022-10-16 16:26:13,730 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 16:26:13,731 INFO L413 NwaCegarLoop]: 718 mSDtfsCounter, 1746 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:13,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 1715 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:26:13,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12306 states. [2022-10-16 16:26:14,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12306 to 12294. [2022-10-16 16:26:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12294 states, 12269 states have (on average 1.4563534110359442) internal successors, (17868), 12293 states have internal predecessors, (17868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12294 states to 12294 states and 17868 transitions. [2022-10-16 16:26:14,451 INFO L78 Accepts]: Start accepts. Automaton has 12294 states and 17868 transitions. Word has length 75 [2022-10-16 16:26:14,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:14,451 INFO L495 AbstractCegarLoop]: Abstraction has 12294 states and 17868 transitions. [2022-10-16 16:26:14,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 16:26:14,451 INFO L276 IsEmpty]: Start isEmpty. Operand 12294 states and 17868 transitions. [2022-10-16 16:26:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:26:14,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:14,452 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 16:26:14,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:26:14,453 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr151ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:14,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:14,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1809370128, now seen corresponding path program 1 times [2022-10-16 16:26:14,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:14,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98806496] [2022-10-16 16:26:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:14,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:14,588 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 16:26:14,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:14,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98806496] [2022-10-16 16:26:14,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98806496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:14,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:14,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:14,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967578407] [2022-10-16 16:26:14,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:14,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:14,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:14,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:14,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:14,591 INFO L87 Difference]: Start difference. First operand 12294 states and 17868 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 16:26:16,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:16,132 INFO L93 Difference]: Finished difference Result 17975 states and 26206 transitions. [2022-10-16 16:26:16,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:16,133 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 16:26:16,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:16,150 INFO L225 Difference]: With dead ends: 17975 [2022-10-16 16:26:16,150 INFO L226 Difference]: Without dead ends: 14254 [2022-10-16 16:26:16,157 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 16:26:16,158 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 1914 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:16,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1914 Valid, 1645 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:26:16,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14254 states. [2022-10-16 16:26:17,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14254 to 13992. [2022-10-16 16:26:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13992 states, 13969 states have (on average 1.4635263798410767) internal successors, (20444), 13991 states have internal predecessors, (20444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:17,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13992 states to 13992 states and 20444 transitions. [2022-10-16 16:26:17,114 INFO L78 Accepts]: Start accepts. Automaton has 13992 states and 20444 transitions. Word has length 76 [2022-10-16 16:26:17,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:17,115 INFO L495 AbstractCegarLoop]: Abstraction has 13992 states and 20444 transitions. [2022-10-16 16:26:17,115 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 16:26:17,115 INFO L276 IsEmpty]: Start isEmpty. Operand 13992 states and 20444 transitions. [2022-10-16 16:26:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:26:17,116 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:17,116 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 16:26:17,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:26:17,117 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:17,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:17,117 INFO L85 PathProgramCache]: Analyzing trace with hash -52533857, now seen corresponding path program 1 times [2022-10-16 16:26:17,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:17,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888334495] [2022-10-16 16:26:17,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:17,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:17,257 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 16:26:17,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:17,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888334495] [2022-10-16 16:26:17,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888334495] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:17,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:17,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:17,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590064409] [2022-10-16 16:26:17,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:17,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:17,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:17,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:17,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:17,260 INFO L87 Difference]: Start difference. First operand 13992 states and 20444 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 16:26:19,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:19,196 INFO L93 Difference]: Finished difference Result 26289 states and 38756 transitions. [2022-10-16 16:26:19,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:19,197 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 16:26:19,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:19,216 INFO L225 Difference]: With dead ends: 26289 [2022-10-16 16:26:19,216 INFO L226 Difference]: Without dead ends: 17338 [2022-10-16 16:26:19,226 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 16:26:19,226 INFO L413 NwaCegarLoop]: 722 mSDtfsCounter, 1785 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:19,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 1934 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:26:19,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17338 states. [2022-10-16 16:26:20,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17338 to 15883. [2022-10-16 16:26:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15883 states, 15861 states have (on average 1.4727318580165185) internal successors, (23359), 15882 states have internal predecessors, (23359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:20,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15883 states to 15883 states and 23359 transitions. [2022-10-16 16:26:20,301 INFO L78 Accepts]: Start accepts. Automaton has 15883 states and 23359 transitions. Word has length 76 [2022-10-16 16:26:20,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:20,301 INFO L495 AbstractCegarLoop]: Abstraction has 15883 states and 23359 transitions. [2022-10-16 16:26:20,301 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 16:26:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 15883 states and 23359 transitions. [2022-10-16 16:26:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:26:20,303 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:20,303 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 16:26:20,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:26:20,303 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr237ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:20,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:20,304 INFO L85 PathProgramCache]: Analyzing trace with hash -915809999, now seen corresponding path program 1 times [2022-10-16 16:26:20,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:20,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891399584] [2022-10-16 16:26:20,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:20,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:20,438 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 16:26:20,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:20,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891399584] [2022-10-16 16:26:20,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891399584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:20,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:20,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:20,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769292102] [2022-10-16 16:26:20,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:20,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:20,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:20,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:20,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:20,440 INFO L87 Difference]: Start difference. First operand 15883 states and 23359 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 16:26:22,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:22,596 INFO L93 Difference]: Finished difference Result 30735 states and 45475 transitions. [2022-10-16 16:26:22,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:22,597 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 16:26:22,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:22,623 INFO L225 Difference]: With dead ends: 30735 [2022-10-16 16:26:22,623 INFO L226 Difference]: Without dead ends: 19937 [2022-10-16 16:26:22,637 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 16:26:22,638 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 1940 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:22,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 1667 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:26:22,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19937 states. [2022-10-16 16:26:24,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19937 to 19219. [2022-10-16 16:26:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19219 states, 19199 states have (on average 1.4815875826865983) internal successors, (28445), 19218 states have internal predecessors, (28445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19219 states to 19219 states and 28445 transitions. [2022-10-16 16:26:24,230 INFO L78 Accepts]: Start accepts. Automaton has 19219 states and 28445 transitions. Word has length 76 [2022-10-16 16:26:24,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:24,230 INFO L495 AbstractCegarLoop]: Abstraction has 19219 states and 28445 transitions. [2022-10-16 16:26:24,230 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 16:26:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 19219 states and 28445 transitions. [2022-10-16 16:26:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:26:24,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:24,232 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 16:26:24,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:26:24,232 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:24,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:24,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1461557108, now seen corresponding path program 1 times [2022-10-16 16:26:24,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:24,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263275329] [2022-10-16 16:26:24,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:24,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:24,382 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 16:26:24,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:24,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263275329] [2022-10-16 16:26:24,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263275329] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:24,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:24,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:24,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027648128] [2022-10-16 16:26:24,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:24,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:24,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:24,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:24,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:24,384 INFO L87 Difference]: Start difference. First operand 19219 states and 28445 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 16:26:26,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:26,379 INFO L93 Difference]: Finished difference Result 19844 states and 29336 transitions. [2022-10-16 16:26:26,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:26,379 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 16:26:26,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:26,403 INFO L225 Difference]: With dead ends: 19844 [2022-10-16 16:26:26,403 INFO L226 Difference]: Without dead ends: 19842 [2022-10-16 16:26:26,408 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 16:26:26,408 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 1029 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:26,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 1717 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:26:26,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19842 states. [2022-10-16 16:26:27,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19842 to 19713. [2022-10-16 16:26:27,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19713 states, 19694 states have (on average 1.4810094445008632) internal successors, (29167), 19712 states have internal predecessors, (29167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19713 states to 19713 states and 29167 transitions. [2022-10-16 16:26:27,987 INFO L78 Accepts]: Start accepts. Automaton has 19713 states and 29167 transitions. Word has length 77 [2022-10-16 16:26:27,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:27,987 INFO L495 AbstractCegarLoop]: Abstraction has 19713 states and 29167 transitions. [2022-10-16 16:26:27,987 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 16:26:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 19713 states and 29167 transitions. [2022-10-16 16:26:27,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:26:27,988 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:27,989 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 16:26:27,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:26:27,989 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:27,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:27,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1108514480, now seen corresponding path program 1 times [2022-10-16 16:26:27,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:27,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151277289] [2022-10-16 16:26:27,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:28,174 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 16:26:28,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:28,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151277289] [2022-10-16 16:26:28,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151277289] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:28,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:28,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:28,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387923413] [2022-10-16 16:26:28,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:28,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:28,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:28,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:28,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:28,176 INFO L87 Difference]: Start difference. First operand 19713 states and 29167 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 16:26:30,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:30,268 INFO L93 Difference]: Finished difference Result 22631 states and 33474 transitions. [2022-10-16 16:26:30,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:30,268 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 16:26:30,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:30,300 INFO L225 Difference]: With dead ends: 22631 [2022-10-16 16:26:30,300 INFO L226 Difference]: Without dead ends: 22627 [2022-10-16 16:26:30,308 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 16:26:30,309 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 1123 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:30,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 1829 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:26:30,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22627 states. [2022-10-16 16:26:32,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22627 to 22591. [2022-10-16 16:26:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22591 states, 22573 states have (on average 1.4812829486554733) internal successors, (33437), 22590 states have internal predecessors, (33437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22591 states to 22591 states and 33437 transitions. [2022-10-16 16:26:32,106 INFO L78 Accepts]: Start accepts. Automaton has 22591 states and 33437 transitions. Word has length 77 [2022-10-16 16:26:32,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:32,107 INFO L495 AbstractCegarLoop]: Abstraction has 22591 states and 33437 transitions. [2022-10-16 16:26:32,107 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 16:26:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 22591 states and 33437 transitions. [2022-10-16 16:26:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:26:32,109 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:32,109 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 16:26:32,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:26:32,109 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:32,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:32,110 INFO L85 PathProgramCache]: Analyzing trace with hash -16602283, now seen corresponding path program 1 times [2022-10-16 16:26:32,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:32,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990774885] [2022-10-16 16:26:32,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:32,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:32,255 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 16:26:32,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:32,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990774885] [2022-10-16 16:26:32,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990774885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:32,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:32,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:32,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274005036] [2022-10-16 16:26:32,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:32,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:32,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:32,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:32,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:32,257 INFO L87 Difference]: Start difference. First operand 22591 states and 33437 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 16:26:34,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:34,748 INFO L93 Difference]: Finished difference Result 22770 states and 33680 transitions. [2022-10-16 16:26:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:34,748 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 16:26:34,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:34,775 INFO L225 Difference]: With dead ends: 22770 [2022-10-16 16:26:34,775 INFO L226 Difference]: Without dead ends: 22768 [2022-10-16 16:26:34,782 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 16:26:34,782 INFO L413 NwaCegarLoop]: 792 mSDtfsCounter, 915 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 1511 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:34,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 2734 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1511 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:26:34,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22768 states. [2022-10-16 16:26:36,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22768 to 22755. [2022-10-16 16:26:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22755 states, 22738 states have (on average 1.4809130090597238) internal successors, (33673), 22754 states have internal predecessors, (33673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22755 states to 22755 states and 33673 transitions. [2022-10-16 16:26:36,573 INFO L78 Accepts]: Start accepts. Automaton has 22755 states and 33673 transitions. Word has length 77 [2022-10-16 16:26:36,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:36,574 INFO L495 AbstractCegarLoop]: Abstraction has 22755 states and 33673 transitions. [2022-10-16 16:26:36,574 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 16:26:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 22755 states and 33673 transitions. [2022-10-16 16:26:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:26:36,575 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:36,575 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 16:26:36,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:26:36,575 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr196ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:36,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:36,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1500176788, now seen corresponding path program 1 times [2022-10-16 16:26:36,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:36,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261676097] [2022-10-16 16:26:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:36,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:36,719 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 16:26:36,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:36,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261676097] [2022-10-16 16:26:36,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261676097] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:36,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:36,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:36,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576107737] [2022-10-16 16:26:36,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:36,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:36,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:36,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:36,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:36,721 INFO L87 Difference]: Start difference. First operand 22755 states and 33673 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 16:26:38,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:38,787 INFO L93 Difference]: Finished difference Result 22934 states and 33916 transitions. [2022-10-16 16:26:38,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:38,788 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 16:26:38,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:38,830 INFO L225 Difference]: With dead ends: 22934 [2022-10-16 16:26:38,830 INFO L226 Difference]: Without dead ends: 22932 [2022-10-16 16:26:38,839 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 16:26:38,840 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 1077 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:38,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 1503 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:26:38,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22932 states. [2022-10-16 16:26:40,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22932 to 22919. [2022-10-16 16:26:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22919 states, 22903 states have (on average 1.4805047373706501) internal successors, (33908), 22918 states have internal predecessors, (33908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:40,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22919 states to 22919 states and 33908 transitions. [2022-10-16 16:26:40,758 INFO L78 Accepts]: Start accepts. Automaton has 22919 states and 33908 transitions. Word has length 77 [2022-10-16 16:26:40,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:40,758 INFO L495 AbstractCegarLoop]: Abstraction has 22919 states and 33908 transitions. [2022-10-16 16:26:40,758 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 16:26:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 22919 states and 33908 transitions. [2022-10-16 16:26:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:26:40,760 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:40,760 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 16:26:40,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:26:40,760 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:40,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:40,761 INFO L85 PathProgramCache]: Analyzing trace with hash 4211169, now seen corresponding path program 1 times [2022-10-16 16:26:40,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:40,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873872112] [2022-10-16 16:26:40,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:40,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:40,901 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 16:26:40,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:40,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873872112] [2022-10-16 16:26:40,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873872112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:40,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:40,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:40,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454838743] [2022-10-16 16:26:40,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:40,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:40,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:40,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:40,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:40,904 INFO L87 Difference]: Start difference. First operand 22919 states and 33908 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 16:26:42,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:42,943 INFO L93 Difference]: Finished difference Result 26574 states and 39277 transitions. [2022-10-16 16:26:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:42,943 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 16:26:42,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:42,965 INFO L225 Difference]: With dead ends: 26574 [2022-10-16 16:26:42,966 INFO L226 Difference]: Without dead ends: 18990 [2022-10-16 16:26:42,977 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 16:26:42,977 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 1132 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:42,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 1613 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:26:42,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18990 states. [2022-10-16 16:26:43,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18990 to 11401. [2022-10-16 16:26:43,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11401 states, 11386 states have (on average 1.4927103460389952) internal successors, (16996), 11400 states have internal predecessors, (16996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11401 states to 11401 states and 16996 transitions. [2022-10-16 16:26:43,843 INFO L78 Accepts]: Start accepts. Automaton has 11401 states and 16996 transitions. Word has length 78 [2022-10-16 16:26:43,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:43,843 INFO L495 AbstractCegarLoop]: Abstraction has 11401 states and 16996 transitions. [2022-10-16 16:26:43,843 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 16:26:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 11401 states and 16996 transitions. [2022-10-16 16:26:43,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:26:43,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:43,845 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 16:26:43,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:26:43,845 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:43,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:43,845 INFO L85 PathProgramCache]: Analyzing trace with hash -432912333, now seen corresponding path program 1 times [2022-10-16 16:26:43,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:43,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117285121] [2022-10-16 16:26:43,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:43,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:43,992 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 16:26:43,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:43,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117285121] [2022-10-16 16:26:43,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117285121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:43,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:43,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:43,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439294977] [2022-10-16 16:26:43,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:43,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:43,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:43,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:43,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:43,995 INFO L87 Difference]: Start difference. First operand 11401 states and 16996 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 16:26:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:45,474 INFO L93 Difference]: Finished difference Result 11476 states and 17077 transitions. [2022-10-16 16:26:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:45,474 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 16:26:45,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:45,486 INFO L225 Difference]: With dead ends: 11476 [2022-10-16 16:26:45,487 INFO L226 Difference]: Without dead ends: 11346 [2022-10-16 16:26:45,490 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 16:26:45,490 INFO L413 NwaCegarLoop]: 1015 mSDtfsCounter, 503 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:45,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 2574 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:26:45,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11346 states. [2022-10-16 16:26:46,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11346 to 11327. [2022-10-16 16:26:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11327 states, 11312 states have (on average 1.4925742574257426) internal successors, (16884), 11326 states have internal predecessors, (16884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:46,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11327 states to 11327 states and 16884 transitions. [2022-10-16 16:26:46,296 INFO L78 Accepts]: Start accepts. Automaton has 11327 states and 16884 transitions. Word has length 80 [2022-10-16 16:26:46,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:46,296 INFO L495 AbstractCegarLoop]: Abstraction has 11327 states and 16884 transitions. [2022-10-16 16:26:46,296 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 16:26:46,296 INFO L276 IsEmpty]: Start isEmpty. Operand 11327 states and 16884 transitions. [2022-10-16 16:26:46,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 16:26:46,299 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:46,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:46,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:26:46,299 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:46,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:46,300 INFO L85 PathProgramCache]: Analyzing trace with hash 2137282937, now seen corresponding path program 1 times [2022-10-16 16:26:46,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:46,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515681351] [2022-10-16 16:26:46,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:46,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:46,376 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 16:26:46,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:46,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515681351] [2022-10-16 16:26:46,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515681351] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:46,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:46,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:26:46,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240092954] [2022-10-16 16:26:46,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:46,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:26:46,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:46,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:26:46,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:26:46,378 INFO L87 Difference]: Start difference. First operand 11327 states and 16884 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:48,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:48,337 INFO L93 Difference]: Finished difference Result 32657 states and 49046 transitions. [2022-10-16 16:26:48,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:26:48,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-16 16:26:48,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:48,366 INFO L225 Difference]: With dead ends: 32657 [2022-10-16 16:26:48,366 INFO L226 Difference]: Without dead ends: 21975 [2022-10-16 16:26:48,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 16:26:48,384 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 421 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:48,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 1090 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:26:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21975 states. [2022-10-16 16:26:50,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21975 to 21960. [2022-10-16 16:26:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21960 states, 21945 states have (on average 1.490954659375712) internal successors, (32719), 21959 states have internal predecessors, (32719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21960 states to 21960 states and 32719 transitions. [2022-10-16 16:26:50,090 INFO L78 Accepts]: Start accepts. Automaton has 21960 states and 32719 transitions. Word has length 102 [2022-10-16 16:26:50,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:50,090 INFO L495 AbstractCegarLoop]: Abstraction has 21960 states and 32719 transitions. [2022-10-16 16:26:50,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 21960 states and 32719 transitions. [2022-10-16 16:26:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 16:26:50,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:50,095 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] [2022-10-16 16:26:50,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:26:50,095 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:50,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:50,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2023896280, now seen corresponding path program 1 times [2022-10-16 16:26:50,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:50,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897745880] [2022-10-16 16:26:50,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:50,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:50,238 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 16:26:50,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:50,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897745880] [2022-10-16 16:26:50,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897745880] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:50,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:50,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:26:50,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749055436] [2022-10-16 16:26:50,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:50,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:26:50,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:50,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:26:50,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:26:50,241 INFO L87 Difference]: Start difference. First operand 21960 states and 32719 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:52,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:52,881 INFO L93 Difference]: Finished difference Result 26159 states and 38997 transitions. [2022-10-16 16:26:52,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:26:52,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-16 16:26:52,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:52,919 INFO L225 Difference]: With dead ends: 26159 [2022-10-16 16:26:52,919 INFO L226 Difference]: Without dead ends: 26156 [2022-10-16 16:26:52,929 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 16:26:52,929 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 501 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1933 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:52,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 1933 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:26:52,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26156 states. [2022-10-16 16:26:55,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26156 to 26017. [2022-10-16 16:26:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26017 states, 26002 states have (on average 1.488577801707561) internal successors, (38706), 26016 states have internal predecessors, (38706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26017 states to 26017 states and 38706 transitions. [2022-10-16 16:26:55,091 INFO L78 Accepts]: Start accepts. Automaton has 26017 states and 38706 transitions. Word has length 102 [2022-10-16 16:26:55,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:55,091 INFO L495 AbstractCegarLoop]: Abstraction has 26017 states and 38706 transitions. [2022-10-16 16:26:55,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 26017 states and 38706 transitions. [2022-10-16 16:26:55,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 16:26:55,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:55,095 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] [2022-10-16 16:26:55,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:26:55,096 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:26:55,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:55,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1242429474, now seen corresponding path program 1 times [2022-10-16 16:26:55,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:55,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301498162] [2022-10-16 16:26:55,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:55,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:55,229 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 16:26:55,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:55,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301498162] [2022-10-16 16:26:55,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301498162] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:55,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:55,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:26:55,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491886270] [2022-10-16 16:26:55,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:55,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:26:55,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:55,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:26:55,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:26:55,231 INFO L87 Difference]: Start difference. First operand 26017 states and 38706 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:57,843 INFO L93 Difference]: Finished difference Result 26577 states and 39495 transitions. [2022-10-16 16:26:57,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:26:57,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-16 16:26:57,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:57,879 INFO L225 Difference]: With dead ends: 26577 [2022-10-16 16:26:57,879 INFO L226 Difference]: Without dead ends: 26574 [2022-10-16 16:26:57,884 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 16:26:57,885 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 837 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:57,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 1512 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:26:57,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26574 states. [2022-10-16 16:27:00,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26574 to 26017. [2022-10-16 16:27:00,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26017 states, 26002 states have (on average 1.4860395354203524) internal successors, (38640), 26016 states have internal predecessors, (38640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26017 states to 26017 states and 38640 transitions. [2022-10-16 16:27:00,062 INFO L78 Accepts]: Start accepts. Automaton has 26017 states and 38640 transitions. Word has length 102 [2022-10-16 16:27:00,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:00,063 INFO L495 AbstractCegarLoop]: Abstraction has 26017 states and 38640 transitions. [2022-10-16 16:27:00,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 26017 states and 38640 transitions. [2022-10-16 16:27:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:27:00,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:00,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:00,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:27:00,067 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:00,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:00,068 INFO L85 PathProgramCache]: Analyzing trace with hash -655851494, now seen corresponding path program 1 times [2022-10-16 16:27:00,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:00,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913650256] [2022-10-16 16:27:00,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:00,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:00,237 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 16:27:00,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:00,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913650256] [2022-10-16 16:27:00,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913650256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:00,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:00,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:00,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652397586] [2022-10-16 16:27:00,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:00,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:00,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:00,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:00,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:00,240 INFO L87 Difference]: Start difference. First operand 26017 states and 38640 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:02,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:02,910 INFO L93 Difference]: Finished difference Result 26059 states and 38640 transitions. [2022-10-16 16:27:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:02,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:27:02,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:02,945 INFO L225 Difference]: With dead ends: 26059 [2022-10-16 16:27:02,945 INFO L226 Difference]: Without dead ends: 26056 [2022-10-16 16:27:02,952 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 16:27:02,953 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 1192 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 2366 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:02,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 2366 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:27:02,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26056 states. [2022-10-16 16:27:05,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26056 to 26017. [2022-10-16 16:27:05,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26017 states, 26002 states have (on average 1.4851165294977309) internal successors, (38616), 26016 states have internal predecessors, (38616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26017 states to 26017 states and 38616 transitions. [2022-10-16 16:27:05,069 INFO L78 Accepts]: Start accepts. Automaton has 26017 states and 38616 transitions. Word has length 104 [2022-10-16 16:27:05,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:05,070 INFO L495 AbstractCegarLoop]: Abstraction has 26017 states and 38616 transitions. [2022-10-16 16:27:05,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 26017 states and 38616 transitions. [2022-10-16 16:27:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:27:05,074 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:05,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:05,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:27:05,074 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:05,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:05,075 INFO L85 PathProgramCache]: Analyzing trace with hash 734507331, now seen corresponding path program 1 times [2022-10-16 16:27:05,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:05,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992410162] [2022-10-16 16:27:05,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:05,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:05,206 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 16:27:05,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:05,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992410162] [2022-10-16 16:27:05,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992410162] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:05,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:05,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:27:05,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014774973] [2022-10-16 16:27:05,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:05,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:27:05,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:05,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:27:05,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:05,208 INFO L87 Difference]: Start difference. First operand 26017 states and 38616 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:07,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:07,600 INFO L93 Difference]: Finished difference Result 26468 states and 39246 transitions. [2022-10-16 16:27:07,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:27:07,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:27:07,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:07,634 INFO L225 Difference]: With dead ends: 26468 [2022-10-16 16:27:07,634 INFO L226 Difference]: Without dead ends: 26465 [2022-10-16 16:27:07,642 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 16:27:07,643 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 1030 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:07,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 1272 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:27:07,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26465 states. [2022-10-16 16:27:09,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26465 to 26017. [2022-10-16 16:27:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26017 states, 26002 states have (on average 1.4828090146911777) internal successors, (38556), 26016 states have internal predecessors, (38556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26017 states to 26017 states and 38556 transitions. [2022-10-16 16:27:09,757 INFO L78 Accepts]: Start accepts. Automaton has 26017 states and 38556 transitions. Word has length 104 [2022-10-16 16:27:09,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:09,757 INFO L495 AbstractCegarLoop]: Abstraction has 26017 states and 38556 transitions. [2022-10-16 16:27:09,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 26017 states and 38556 transitions. [2022-10-16 16:27:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:27:09,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:09,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:09,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:27:09,762 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:09,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:09,762 INFO L85 PathProgramCache]: Analyzing trace with hash 26192288, now seen corresponding path program 1 times [2022-10-16 16:27:09,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:09,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901492102] [2022-10-16 16:27:09,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:09,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:09,926 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 16:27:09,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:09,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901492102] [2022-10-16 16:27:09,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901492102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:09,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:09,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:09,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873408250] [2022-10-16 16:27:09,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:09,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:09,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:09,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:09,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:09,930 INFO L87 Difference]: Start difference. First operand 26017 states and 38556 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:12,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:12,588 INFO L93 Difference]: Finished difference Result 27647 states and 40885 transitions. [2022-10-16 16:27:12,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:12,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:27:12,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:12,624 INFO L225 Difference]: With dead ends: 27647 [2022-10-16 16:27:12,624 INFO L226 Difference]: Without dead ends: 27644 [2022-10-16 16:27:12,633 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 16:27:12,634 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 1162 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:12,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1436 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:27:12,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27644 states. [2022-10-16 16:27:14,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27644 to 26972. [2022-10-16 16:27:14,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26972 states, 26957 states have (on average 1.48017212597841) internal successors, (39901), 26971 states have internal predecessors, (39901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:14,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26972 states to 26972 states and 39901 transitions. [2022-10-16 16:27:14,811 INFO L78 Accepts]: Start accepts. Automaton has 26972 states and 39901 transitions. Word has length 104 [2022-10-16 16:27:14,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:14,811 INFO L495 AbstractCegarLoop]: Abstraction has 26972 states and 39901 transitions. [2022-10-16 16:27:14,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 26972 states and 39901 transitions. [2022-10-16 16:27:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:27:14,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:14,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:14,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:27:14,816 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:14,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:14,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1332379866, now seen corresponding path program 1 times [2022-10-16 16:27:14,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:14,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855197712] [2022-10-16 16:27:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:14,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:14,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:14,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855197712] [2022-10-16 16:27:14,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855197712] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:14,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:14,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:14,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946032247] [2022-10-16 16:27:14,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:14,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:14,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:14,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:14,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:14,982 INFO L87 Difference]: Start difference. First operand 26972 states and 39901 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:17,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:17,649 INFO L93 Difference]: Finished difference Result 27674 states and 40893 transitions. [2022-10-16 16:27:17,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:17,649 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:27:17,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:17,685 INFO L225 Difference]: With dead ends: 27674 [2022-10-16 16:27:17,685 INFO L226 Difference]: Without dead ends: 27673 [2022-10-16 16:27:17,694 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 16:27:17,695 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 1128 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:17,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 1767 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:27:17,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27673 states. [2022-10-16 16:27:19,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27673 to 27113. [2022-10-16 16:27:19,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27113 states, 27098 states have (on average 1.4799616207838218) internal successors, (40104), 27112 states have internal predecessors, (40104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27113 states to 27113 states and 40104 transitions. [2022-10-16 16:27:19,850 INFO L78 Accepts]: Start accepts. Automaton has 27113 states and 40104 transitions. Word has length 104 [2022-10-16 16:27:19,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:19,851 INFO L495 AbstractCegarLoop]: Abstraction has 27113 states and 40104 transitions. [2022-10-16 16:27:19,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 27113 states and 40104 transitions. [2022-10-16 16:27:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:27:19,855 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:19,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:19,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:27:19,855 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:19,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:19,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1696465626, now seen corresponding path program 1 times [2022-10-16 16:27:19,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:19,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029151763] [2022-10-16 16:27:19,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:19,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:20,001 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 16:27:20,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:20,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029151763] [2022-10-16 16:27:20,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029151763] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:20,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:20,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:20,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825377849] [2022-10-16 16:27:20,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:20,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:20,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:20,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:20,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:20,003 INFO L87 Difference]: Start difference. First operand 27113 states and 40104 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:22,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:22,512 INFO L93 Difference]: Finished difference Result 27788 states and 41085 transitions. [2022-10-16 16:27:22,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:22,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:27:22,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:22,548 INFO L225 Difference]: With dead ends: 27788 [2022-10-16 16:27:22,548 INFO L226 Difference]: Without dead ends: 27787 [2022-10-16 16:27:22,556 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 16:27:22,557 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 1083 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 1689 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:22,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 1689 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:27:22,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27787 states. [2022-10-16 16:27:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27787 to 27536. [2022-10-16 16:27:24,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27536 states, 27521 states have (on average 1.4813778569092693) internal successors, (40769), 27535 states have internal predecessors, (40769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:24,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27536 states to 27536 states and 40769 transitions. [2022-10-16 16:27:24,895 INFO L78 Accepts]: Start accepts. Automaton has 27536 states and 40769 transitions. Word has length 104 [2022-10-16 16:27:24,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:24,895 INFO L495 AbstractCegarLoop]: Abstraction has 27536 states and 40769 transitions. [2022-10-16 16:27:24,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:24,895 INFO L276 IsEmpty]: Start isEmpty. Operand 27536 states and 40769 transitions. [2022-10-16 16:27:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:27:24,899 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:24,899 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] [2022-10-16 16:27:24,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:27:24,900 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:24,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:24,900 INFO L85 PathProgramCache]: Analyzing trace with hash 13327716, now seen corresponding path program 1 times [2022-10-16 16:27:24,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:24,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848262400] [2022-10-16 16:27:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:24,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:24,997 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 16:27:24,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:24,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848262400] [2022-10-16 16:27:24,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848262400] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:24,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:24,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:27:24,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954325070] [2022-10-16 16:27:24,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:24,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:27:24,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:24,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:27:24,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:27:24,999 INFO L87 Difference]: Start difference. First operand 27536 states and 40769 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:27,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:27,961 INFO L93 Difference]: Finished difference Result 32153 states and 47431 transitions. [2022-10-16 16:27:27,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:27:27,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 16:27:27,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:28,002 INFO L225 Difference]: With dead ends: 32153 [2022-10-16 16:27:28,002 INFO L226 Difference]: Without dead ends: 32150 [2022-10-16 16:27:28,011 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 16:27:28,011 INFO L413 NwaCegarLoop]: 952 mSDtfsCounter, 217 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 2003 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:28,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 2003 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:27:28,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32150 states. [2022-10-16 16:27:30,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32150 to 27533. [2022-10-16 16:27:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27533 states, 27521 states have (on average 1.4616111333163766) internal successors, (40225), 27532 states have internal predecessors, (40225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27533 states to 27533 states and 40225 transitions. [2022-10-16 16:27:30,301 INFO L78 Accepts]: Start accepts. Automaton has 27533 states and 40225 transitions. Word has length 105 [2022-10-16 16:27:30,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:30,302 INFO L495 AbstractCegarLoop]: Abstraction has 27533 states and 40225 transitions. [2022-10-16 16:27:30,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 27533 states and 40225 transitions. [2022-10-16 16:27:30,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:27:30,306 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:30,306 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] [2022-10-16 16:27:30,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:27:30,307 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:30,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:30,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1143440436, now seen corresponding path program 1 times [2022-10-16 16:27:30,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:30,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753888238] [2022-10-16 16:27:30,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:30,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:30,459 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 16:27:30,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:30,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753888238] [2022-10-16 16:27:30,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753888238] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:30,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:30,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:30,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396469993] [2022-10-16 16:27:30,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:30,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:30,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:30,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:30,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:30,462 INFO L87 Difference]: Start difference. First operand 27533 states and 40225 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:33,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:33,101 INFO L93 Difference]: Finished difference Result 29197 states and 42632 transitions. [2022-10-16 16:27:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:33,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 16:27:33,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:33,139 INFO L225 Difference]: With dead ends: 29197 [2022-10-16 16:27:33,139 INFO L226 Difference]: Without dead ends: 25871 [2022-10-16 16:27:33,149 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 16:27:33,150 INFO L413 NwaCegarLoop]: 749 mSDtfsCounter, 1112 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:33,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 1402 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:27:33,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25871 states. [2022-10-16 16:27:35,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25871 to 22181. [2022-10-16 16:27:35,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22181 states, 22169 states have (on average 1.4642518832604088) internal successors, (32461), 22180 states have internal predecessors, (32461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22181 states to 22181 states and 32461 transitions. [2022-10-16 16:27:35,125 INFO L78 Accepts]: Start accepts. Automaton has 22181 states and 32461 transitions. Word has length 105 [2022-10-16 16:27:35,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:35,125 INFO L495 AbstractCegarLoop]: Abstraction has 22181 states and 32461 transitions. [2022-10-16 16:27:35,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 22181 states and 32461 transitions. [2022-10-16 16:27:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:27:35,129 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:35,129 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] [2022-10-16 16:27:35,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:27:35,130 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:35,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:35,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1406791665, now seen corresponding path program 1 times [2022-10-16 16:27:35,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:35,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683597733] [2022-10-16 16:27:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:35,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:35,271 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 16:27:35,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:35,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683597733] [2022-10-16 16:27:35,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683597733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:35,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:35,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:35,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806393753] [2022-10-16 16:27:35,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:35,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:35,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:35,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:35,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:35,273 INFO L87 Difference]: Start difference. First operand 22181 states and 32461 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:37,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:37,828 INFO L93 Difference]: Finished difference Result 22528 states and 32934 transitions. [2022-10-16 16:27:37,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:37,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-16 16:27:37,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:37,856 INFO L225 Difference]: With dead ends: 22528 [2022-10-16 16:27:37,856 INFO L226 Difference]: Without dead ends: 22200 [2022-10-16 16:27:37,862 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 16:27:37,863 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 541 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 2155 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:37,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 2155 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:27:37,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22200 states. [2022-10-16 16:27:39,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22200 to 21963. [2022-10-16 16:27:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21963 states, 21951 states have (on average 1.4638513051797184) internal successors, (32133), 21962 states have internal predecessors, (32133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21963 states to 21963 states and 32133 transitions. [2022-10-16 16:27:39,730 INFO L78 Accepts]: Start accepts. Automaton has 21963 states and 32133 transitions. Word has length 106 [2022-10-16 16:27:39,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:39,730 INFO L495 AbstractCegarLoop]: Abstraction has 21963 states and 32133 transitions. [2022-10-16 16:27:39,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:39,731 INFO L276 IsEmpty]: Start isEmpty. Operand 21963 states and 32133 transitions. [2022-10-16 16:27:39,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:27:39,734 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:39,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:39,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:27:39,735 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:39,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:39,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1486917061, now seen corresponding path program 1 times [2022-10-16 16:27:39,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:39,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726245528] [2022-10-16 16:27:39,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:39,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:39,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:39,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726245528] [2022-10-16 16:27:39,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726245528] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:39,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:39,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:39,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354684162] [2022-10-16 16:27:39,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:39,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:39,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:39,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:39,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:39,916 INFO L87 Difference]: Start difference. First operand 21963 states and 32133 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:42,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:42,326 INFO L93 Difference]: Finished difference Result 23157 states and 33828 transitions. [2022-10-16 16:27:42,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:42,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-16 16:27:42,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:42,361 INFO L225 Difference]: With dead ends: 23157 [2022-10-16 16:27:42,361 INFO L226 Difference]: Without dead ends: 23154 [2022-10-16 16:27:42,369 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 16:27:42,370 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 1030 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:42,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 1438 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:27:42,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23154 states. [2022-10-16 16:27:44,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23154 to 22668. [2022-10-16 16:27:44,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22668 states, 22656 states have (on average 1.4619526836158192) internal successors, (33122), 22667 states have internal predecessors, (33122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:44,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22668 states to 22668 states and 33122 transitions. [2022-10-16 16:27:44,259 INFO L78 Accepts]: Start accepts. Automaton has 22668 states and 33122 transitions. Word has length 106 [2022-10-16 16:27:44,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:44,259 INFO L495 AbstractCegarLoop]: Abstraction has 22668 states and 33122 transitions. [2022-10-16 16:27:44,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:44,260 INFO L276 IsEmpty]: Start isEmpty. Operand 22668 states and 33122 transitions. [2022-10-16 16:27:44,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:27:44,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:44,264 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] [2022-10-16 16:27:44,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 16:27:44,264 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:44,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:44,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1936506906, now seen corresponding path program 1 times [2022-10-16 16:27:44,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:44,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670344749] [2022-10-16 16:27:44,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:44,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:44,388 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 16:27:44,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:44,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670344749] [2022-10-16 16:27:44,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670344749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:44,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:44,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:27:44,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055702117] [2022-10-16 16:27:44,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:44,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:27:44,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:44,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:27:44,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:44,392 INFO L87 Difference]: Start difference. First operand 22668 states and 33122 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:46,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:46,933 INFO L93 Difference]: Finished difference Result 25047 states and 36650 transitions. [2022-10-16 16:27:46,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:27:46,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-16 16:27:46,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:46,974 INFO L225 Difference]: With dead ends: 25047 [2022-10-16 16:27:46,974 INFO L226 Difference]: Without dead ends: 25044 [2022-10-16 16:27:46,985 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 16:27:46,986 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 340 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 2071 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:46,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 2071 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:27:47,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25044 states. [2022-10-16 16:27:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25044 to 22668. [2022-10-16 16:27:48,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22668 states, 22656 states have (on average 1.458686440677966) internal successors, (33048), 22667 states have internal predecessors, (33048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22668 states to 22668 states and 33048 transitions. [2022-10-16 16:27:48,952 INFO L78 Accepts]: Start accepts. Automaton has 22668 states and 33048 transitions. Word has length 106 [2022-10-16 16:27:48,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:48,952 INFO L495 AbstractCegarLoop]: Abstraction has 22668 states and 33048 transitions. [2022-10-16 16:27:48,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 22668 states and 33048 transitions. [2022-10-16 16:27:48,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:27:48,956 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:48,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:48,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 16:27:48,956 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:48,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:48,957 INFO L85 PathProgramCache]: Analyzing trace with hash 410928305, now seen corresponding path program 1 times [2022-10-16 16:27:48,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:48,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136527789] [2022-10-16 16:27:48,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:48,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:49,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:49,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136527789] [2022-10-16 16:27:49,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136527789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:49,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:49,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:49,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75702893] [2022-10-16 16:27:49,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:49,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:49,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:49,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:49,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:49,105 INFO L87 Difference]: Start difference. First operand 22668 states and 33048 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:52,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:52,026 INFO L93 Difference]: Finished difference Result 25116 states and 36587 transitions. [2022-10-16 16:27:52,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:52,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-16 16:27:52,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:52,063 INFO L225 Difference]: With dead ends: 25116 [2022-10-16 16:27:52,063 INFO L226 Difference]: Without dead ends: 24897 [2022-10-16 16:27:52,072 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 16:27:52,073 INFO L413 NwaCegarLoop]: 1004 mSDtfsCounter, 472 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 2558 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:52,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 2558 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:27:52,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24897 states. [2022-10-16 16:27:54,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24897 to 24873. [2022-10-16 16:27:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24873 states, 24861 states have (on average 1.4577450625477655) internal successors, (36241), 24872 states have internal predecessors, (36241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24873 states to 24873 states and 36241 transitions. [2022-10-16 16:27:54,444 INFO L78 Accepts]: Start accepts. Automaton has 24873 states and 36241 transitions. Word has length 106 [2022-10-16 16:27:54,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:54,445 INFO L495 AbstractCegarLoop]: Abstraction has 24873 states and 36241 transitions. [2022-10-16 16:27:54,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 24873 states and 36241 transitions. [2022-10-16 16:27:54,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:27:54,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:54,449 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] [2022-10-16 16:27:54,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 16:27:54,450 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:54,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:54,450 INFO L85 PathProgramCache]: Analyzing trace with hash -185262533, now seen corresponding path program 1 times [2022-10-16 16:27:54,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:54,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000998256] [2022-10-16 16:27:54,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:54,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:54,598 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 16:27:54,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:54,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000998256] [2022-10-16 16:27:54,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000998256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:54,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:54,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:54,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267069710] [2022-10-16 16:27:54,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:54,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:54,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:54,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:54,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:54,601 INFO L87 Difference]: Start difference. First operand 24873 states and 36241 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:57,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:57,404 INFO L93 Difference]: Finished difference Result 25956 states and 37763 transitions. [2022-10-16 16:27:57,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:57,404 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:27:57,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:57,443 INFO L225 Difference]: With dead ends: 25956 [2022-10-16 16:27:57,444 INFO L226 Difference]: Without dead ends: 25500 [2022-10-16 16:27:57,453 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 16:27:57,454 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 506 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1938 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:57,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1938 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:27:57,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25500 states. [2022-10-16 16:27:59,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25500 to 23463. [2022-10-16 16:27:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23463 states, 23451 states have (on average 1.4584879109632851) internal successors, (34203), 23462 states have internal predecessors, (34203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23463 states to 23463 states and 34203 transitions. [2022-10-16 16:27:59,543 INFO L78 Accepts]: Start accepts. Automaton has 23463 states and 34203 transitions. Word has length 107 [2022-10-16 16:27:59,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:59,543 INFO L495 AbstractCegarLoop]: Abstraction has 23463 states and 34203 transitions. [2022-10-16 16:27:59,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 23463 states and 34203 transitions. [2022-10-16 16:27:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:27:59,547 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:59,547 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] [2022-10-16 16:27:59,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 16:27:59,547 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:27:59,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:59,548 INFO L85 PathProgramCache]: Analyzing trace with hash -76958426, now seen corresponding path program 1 times [2022-10-16 16:27:59,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:59,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756304629] [2022-10-16 16:27:59,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:59,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:59,701 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 16:27:59,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:59,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756304629] [2022-10-16 16:27:59,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756304629] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:59,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:59,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:27:59,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108157179] [2022-10-16 16:27:59,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:59,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:27:59,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:59,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:27:59,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:59,704 INFO L87 Difference]: Start difference. First operand 23463 states and 34203 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:02,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:02,826 INFO L93 Difference]: Finished difference Result 30710 states and 45002 transitions. [2022-10-16 16:28:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:28:02,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:28:02,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:02,878 INFO L225 Difference]: With dead ends: 30710 [2022-10-16 16:28:02,878 INFO L226 Difference]: Without dead ends: 30704 [2022-10-16 16:28:02,889 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 16:28:02,890 INFO L413 NwaCegarLoop]: 973 mSDtfsCounter, 344 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 2088 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:02,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 2088 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:28:02,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30704 states. [2022-10-16 16:28:05,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30704 to 26642. [2022-10-16 16:28:05,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26642 states, 26630 states have (on average 1.4488171235448741) internal successors, (38582), 26641 states have internal predecessors, (38582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26642 states to 26642 states and 38582 transitions. [2022-10-16 16:28:05,237 INFO L78 Accepts]: Start accepts. Automaton has 26642 states and 38582 transitions. Word has length 107 [2022-10-16 16:28:05,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:05,237 INFO L495 AbstractCegarLoop]: Abstraction has 26642 states and 38582 transitions. [2022-10-16 16:28:05,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 26642 states and 38582 transitions. [2022-10-16 16:28:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:28:05,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:05,240 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] [2022-10-16 16:28:05,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 16:28:05,240 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:28:05,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:05,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1966817154, now seen corresponding path program 1 times [2022-10-16 16:28:05,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:05,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764997568] [2022-10-16 16:28:05,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:05,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:05,391 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 16:28:05,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:05,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764997568] [2022-10-16 16:28:05,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764997568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:05,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:05,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:05,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613908762] [2022-10-16 16:28:05,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:05,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:05,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:05,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:05,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:05,394 INFO L87 Difference]: Start difference. First operand 26642 states and 38582 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:08,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:08,293 INFO L93 Difference]: Finished difference Result 28487 states and 41240 transitions. [2022-10-16 16:28:08,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:28:08,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:28:08,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:08,338 INFO L225 Difference]: With dead ends: 28487 [2022-10-16 16:28:08,339 INFO L226 Difference]: Without dead ends: 28096 [2022-10-16 16:28:08,351 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 16:28:08,351 INFO L413 NwaCegarLoop]: 926 mSDtfsCounter, 461 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:08,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 2128 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:28:08,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28096 states. [2022-10-16 16:28:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28096 to 27848. [2022-10-16 16:28:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27848 states, 27836 states have (on average 1.448771375197586) internal successors, (40328), 27847 states have internal predecessors, (40328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27848 states to 27848 states and 40328 transitions. [2022-10-16 16:28:10,809 INFO L78 Accepts]: Start accepts. Automaton has 27848 states and 40328 transitions. Word has length 107 [2022-10-16 16:28:10,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:10,809 INFO L495 AbstractCegarLoop]: Abstraction has 27848 states and 40328 transitions. [2022-10-16 16:28:10,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 27848 states and 40328 transitions. [2022-10-16 16:28:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:28:10,812 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:10,812 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 16:28:10,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 16:28:10,812 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:28:10,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:10,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1262306012, now seen corresponding path program 1 times [2022-10-16 16:28:10,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:10,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544248333] [2022-10-16 16:28:10,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:10,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:11,026 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 16:28:11,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:11,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544248333] [2022-10-16 16:28:11,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544248333] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:11,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:11,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:11,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597642625] [2022-10-16 16:28:11,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:11,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:11,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:11,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:11,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:11,028 INFO L87 Difference]: Start difference. First operand 27848 states and 40328 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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 16:28:14,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:14,626 INFO L93 Difference]: Finished difference Result 39487 states and 57307 transitions. [2022-10-16 16:28:14,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:28:14,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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 16:28:14,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:14,679 INFO L225 Difference]: With dead ends: 39487 [2022-10-16 16:28:14,679 INFO L226 Difference]: Without dead ends: 36511 [2022-10-16 16:28:14,691 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 16:28:14,693 INFO L413 NwaCegarLoop]: 875 mSDtfsCounter, 521 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:14,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1723 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:28:14,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36511 states. [2022-10-16 16:28:17,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36511 to 26861. [2022-10-16 16:28:17,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26861 states, 26849 states have (on average 1.4461991135610264) internal successors, (38829), 26860 states have internal predecessors, (38829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26861 states to 26861 states and 38829 transitions. [2022-10-16 16:28:17,288 INFO L78 Accepts]: Start accepts. Automaton has 26861 states and 38829 transitions. Word has length 108 [2022-10-16 16:28:17,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:17,288 INFO L495 AbstractCegarLoop]: Abstraction has 26861 states and 38829 transitions. [2022-10-16 16:28:17,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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 16:28:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 26861 states and 38829 transitions. [2022-10-16 16:28:17,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:28:17,291 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:17,291 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 16:28:17,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 16:28:17,291 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:28:17,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash -942594840, now seen corresponding path program 1 times [2022-10-16 16:28:17,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:17,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762944548] [2022-10-16 16:28:17,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:17,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:17,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:17,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762944548] [2022-10-16 16:28:17,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762944548] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:17,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:17,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:17,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087286665] [2022-10-16 16:28:17,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:17,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:17,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:17,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:17,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:17,443 INFO L87 Difference]: Start difference. First operand 26861 states and 38829 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 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 16:28:21,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:21,396 INFO L93 Difference]: Finished difference Result 35089 states and 50633 transitions. [2022-10-16 16:28:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:28:21,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 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 16:28:21,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:21,437 INFO L225 Difference]: With dead ends: 35089 [2022-10-16 16:28:21,437 INFO L226 Difference]: Without dead ends: 28658 [2022-10-16 16:28:21,447 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 16:28:21,447 INFO L413 NwaCegarLoop]: 933 mSDtfsCounter, 400 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:21,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 2587 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:28:21,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28658 states. [2022-10-16 16:28:23,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28658 to 24795. [2022-10-16 16:28:24,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24795 states, 24783 states have (on average 1.444619295484808) internal successors, (35802), 24794 states have internal predecessors, (35802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24795 states to 24795 states and 35802 transitions. [2022-10-16 16:28:24,064 INFO L78 Accepts]: Start accepts. Automaton has 24795 states and 35802 transitions. Word has length 109 [2022-10-16 16:28:24,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:24,064 INFO L495 AbstractCegarLoop]: Abstraction has 24795 states and 35802 transitions. [2022-10-16 16:28:24,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 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 16:28:24,065 INFO L276 IsEmpty]: Start isEmpty. Operand 24795 states and 35802 transitions. [2022-10-16 16:28:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:28:24,069 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:24,070 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:28:24,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 16:28:24,070 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:28:24,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:24,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1837375868, now seen corresponding path program 1 times [2022-10-16 16:28:24,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:24,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550654172] [2022-10-16 16:28:24,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:24,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:24,163 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:24,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:24,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550654172] [2022-10-16 16:28:24,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550654172] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:28:24,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98027385] [2022-10-16 16:28:24,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:24,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:28:24,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:28:24,172 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 16:28:24,174 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 16:28:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:24,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:28:24,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:28:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-16 16:28:24,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:28:24,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98027385] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:24,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:28:24,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:28:24,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226045529] [2022-10-16 16:28:24,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:24,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:28:24,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:24,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:28:24,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:28:24,604 INFO L87 Difference]: Start difference. First operand 24795 states and 35802 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:26,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:26,185 INFO L93 Difference]: Finished difference Result 37008 states and 53663 transitions. [2022-10-16 16:28:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:28:26,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 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 135 [2022-10-16 16:28:26,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:26,207 INFO L225 Difference]: With dead ends: 37008 [2022-10-16 16:28:26,207 INFO L226 Difference]: Without dead ends: 12507 [2022-10-16 16:28:26,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 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 16:28:26,234 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 984 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:26,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 340 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:28:26,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12507 states. [2022-10-16 16:28:27,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12507 to 12507. [2022-10-16 16:28:27,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12507 states, 12495 states have (on average 1.441376550620248) internal successors, (18010), 12506 states have internal predecessors, (18010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12507 states to 12507 states and 18010 transitions. [2022-10-16 16:28:27,695 INFO L78 Accepts]: Start accepts. Automaton has 12507 states and 18010 transitions. Word has length 135 [2022-10-16 16:28:27,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:27,695 INFO L495 AbstractCegarLoop]: Abstraction has 12507 states and 18010 transitions. [2022-10-16 16:28:27,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 12507 states and 18010 transitions. [2022-10-16 16:28:27,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:28:27,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:27,698 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:28:27,732 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 16:28:27,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:28:27,912 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:28:27,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:27,912 INFO L85 PathProgramCache]: Analyzing trace with hash -2035279225, now seen corresponding path program 1 times [2022-10-16 16:28:27,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:27,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049854847] [2022-10-16 16:28:27,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:27,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:28,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:28,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049854847] [2022-10-16 16:28:28,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049854847] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:28,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:28,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:28,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071988805] [2022-10-16 16:28:28,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:28,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:28,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:28,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:28,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:28,113 INFO L87 Difference]: Start difference. First operand 12507 states and 18010 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:30,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:30,102 INFO L93 Difference]: Finished difference Result 13823 states and 19873 transitions. [2022-10-16 16:28:30,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:28:30,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:28:30,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:30,122 INFO L225 Difference]: With dead ends: 13823 [2022-10-16 16:28:30,123 INFO L226 Difference]: Without dead ends: 13318 [2022-10-16 16:28:30,129 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 16:28:30,130 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 478 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:30,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 1485 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:28:30,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13318 states. [2022-10-16 16:28:31,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13318 to 10347. [2022-10-16 16:28:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10347 states, 10335 states have (on average 1.4358006773101113) internal successors, (14839), 10346 states have internal predecessors, (14839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10347 states to 10347 states and 14839 transitions. [2022-10-16 16:28:31,112 INFO L78 Accepts]: Start accepts. Automaton has 10347 states and 14839 transitions. Word has length 136 [2022-10-16 16:28:31,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:31,113 INFO L495 AbstractCegarLoop]: Abstraction has 10347 states and 14839 transitions. [2022-10-16 16:28:31,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 10347 states and 14839 transitions. [2022-10-16 16:28:31,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:28:31,116 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:31,116 INFO L195 NwaCegarLoop]: trace histogram [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 16:28:31,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 16:28:31,116 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:28:31,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:31,117 INFO L85 PathProgramCache]: Analyzing trace with hash -332695064, now seen corresponding path program 1 times [2022-10-16 16:28:31,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:31,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365429851] [2022-10-16 16:28:31,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:31,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:31,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:31,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365429851] [2022-10-16 16:28:31,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365429851] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:28:31,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062292557] [2022-10-16 16:28:31,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:31,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:28:31,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:28:31,213 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 16:28:31,214 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 16:28:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:31,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:28:31,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:28:31,517 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-16 16:28:31,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:28:31,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062292557] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:31,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:28:31,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:28:31,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755375327] [2022-10-16 16:28:31,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:31,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:28:31,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:31,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:28:31,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:28:31,519 INFO L87 Difference]: Start difference. First operand 10347 states and 14839 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:32,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:32,888 INFO L93 Difference]: Finished difference Result 20456 states and 29425 transitions. [2022-10-16 16:28:32,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:28:32,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 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 136 [2022-10-16 16:28:32,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:32,905 INFO L225 Difference]: With dead ends: 20456 [2022-10-16 16:28:32,905 INFO L226 Difference]: Without dead ends: 10259 [2022-10-16 16:28:32,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 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 16:28:32,916 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 700 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:32,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 275 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:28:32,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10259 states. [2022-10-16 16:28:33,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10259 to 10259. [2022-10-16 16:28:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10259 states, 10247 states have (on average 1.4251000292768614) internal successors, (14603), 10258 states have internal predecessors, (14603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10259 states to 10259 states and 14603 transitions. [2022-10-16 16:28:33,969 INFO L78 Accepts]: Start accepts. Automaton has 10259 states and 14603 transitions. Word has length 136 [2022-10-16 16:28:33,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:33,969 INFO L495 AbstractCegarLoop]: Abstraction has 10259 states and 14603 transitions. [2022-10-16 16:28:33,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 10259 states and 14603 transitions. [2022-10-16 16:28:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:28:33,972 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:33,972 INFO L195 NwaCegarLoop]: trace histogram [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 16:28:33,998 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 16:28:34,172 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,SelfDestructingSolverStorable63 [2022-10-16 16:28:34,173 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:28:34,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:34,174 INFO L85 PathProgramCache]: Analyzing trace with hash -275766064, now seen corresponding path program 1 times [2022-10-16 16:28:34,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:34,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55852072] [2022-10-16 16:28:34,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:34,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:34,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:34,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55852072] [2022-10-16 16:28:34,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55852072] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:28:34,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490103231] [2022-10-16 16:28:34,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:34,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:28:34,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:28:34,280 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 16:28:34,302 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 16:28:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:34,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:28:34,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:28:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:28:34,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:28:34,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490103231] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:34,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:28:34,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 16:28:34,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105539057] [2022-10-16 16:28:34,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:34,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:28:34,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:34,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:28:34,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:28:34,795 INFO L87 Difference]: Start difference. First operand 10259 states and 14603 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 6 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 16:28:41,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:41,012 INFO L93 Difference]: Finished difference Result 56995 states and 81709 transitions. [2022-10-16 16:28:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:28:41,012 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 6 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 137 [2022-10-16 16:28:41,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:41,078 INFO L225 Difference]: With dead ends: 56995 [2022-10-16 16:28:41,078 INFO L226 Difference]: Without dead ends: 46967 [2022-10-16 16:28:41,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 133 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 16:28:41,092 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 1882 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:41,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 864 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:28:41,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46967 states. [2022-10-16 16:28:44,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46967 to 21629. [2022-10-16 16:28:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21629 states, 21617 states have (on average 1.428459083129019) internal successors, (30879), 21628 states have internal predecessors, (30879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:44,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21629 states to 21629 states and 30879 transitions. [2022-10-16 16:28:44,109 INFO L78 Accepts]: Start accepts. Automaton has 21629 states and 30879 transitions. Word has length 137 [2022-10-16 16:28:44,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:44,109 INFO L495 AbstractCegarLoop]: Abstraction has 21629 states and 30879 transitions. [2022-10-16 16:28:44,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 6 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 16:28:44,110 INFO L276 IsEmpty]: Start isEmpty. Operand 21629 states and 30879 transitions. [2022-10-16 16:28:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:28:44,112 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:44,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:28:44,135 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 16:28:44,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:28:44,313 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:28:44,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:44,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1227133760, now seen corresponding path program 1 times [2022-10-16 16:28:44,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:44,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430966852] [2022-10-16 16:28:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:44,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:44,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:44,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430966852] [2022-10-16 16:28:44,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430966852] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:44,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:44,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:44,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56985965] [2022-10-16 16:28:44,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:44,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:44,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:44,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:44,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:44,492 INFO L87 Difference]: Start difference. First operand 21629 states and 30879 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:49,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:49,002 INFO L93 Difference]: Finished difference Result 40500 states and 58056 transitions. [2022-10-16 16:28:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:28:49,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:28:49,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:49,140 INFO L225 Difference]: With dead ends: 40500 [2022-10-16 16:28:49,141 INFO L226 Difference]: Without dead ends: 27778 [2022-10-16 16:28:49,154 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 16:28:49,154 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 652 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:49,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 791 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:28:49,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27778 states. [2022-10-16 16:28:52,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27778 to 21873. [2022-10-16 16:28:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21873 states, 21861 states have (on average 1.4266044554228992) internal successors, (31187), 21872 states have internal predecessors, (31187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21873 states to 21873 states and 31187 transitions. [2022-10-16 16:28:52,573 INFO L78 Accepts]: Start accepts. Automaton has 21873 states and 31187 transitions. Word has length 138 [2022-10-16 16:28:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:52,573 INFO L495 AbstractCegarLoop]: Abstraction has 21873 states and 31187 transitions. [2022-10-16 16:28:52,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 21873 states and 31187 transitions. [2022-10-16 16:28:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:28:52,576 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:52,576 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:28:52,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-10-16 16:28:52,576 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 361 more)] === [2022-10-16 16:28:52,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:52,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1021112124, now seen corresponding path program 1 times [2022-10-16 16:28:52,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:52,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627607477] [2022-10-16 16:28:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:52,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:52,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:52,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627607477] [2022-10-16 16:28:52,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627607477] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:28:52,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365294513] [2022-10-16 16:28:52,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:52,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:28:52,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:28:52,660 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 16:28:52,660 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 16:28:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:52,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:28:52,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:28:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 16:28:53,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:28:53,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365294513] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:53,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:28:53,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 16:28:53,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441713673] [2022-10-16 16:28:53,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:53,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:28:53,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:53,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:28:53,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:28:53,118 INFO L87 Difference]: Start difference. First operand 21873 states and 31187 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)